./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh/s3_clnt.blast.01.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.01.i.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/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 6b059dfef9f85366fcaeddec812cf96c32b1df0d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.01.i.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/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 6b059dfef9f85366fcaeddec812cf96c32b1df0d ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 21:27:37,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:27:37,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:27:37,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:27:37,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:27:37,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:27:37,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:27:37,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:27:37,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:27:37,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:27:37,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:27:37,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:27:37,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:27:37,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:27:37,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:27:37,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:27:37,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:27:37,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:27:37,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:27:37,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:27:37,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:27:37,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:27:37,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:27:37,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:27:37,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:27:37,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:27:37,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:27:37,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:27:37,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:27:37,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:27:37,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:27:37,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:27:37,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:27:37,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:27:37,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:27:37,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:27:37,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:27:37,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:27:37,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:27:37,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:27:37,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:27:37,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 21:27:37,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:27:37,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:27:37,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 21:27:37,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 21:27:37,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:27:37,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:27:37,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 21:27:37,306 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:27:37,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 21:27:37,307 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:27:37,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 21:27:37,307 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:27:37,307 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:27:37,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:27:37,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:27:37,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:27:37,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:27:37,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:27:37,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 21:27:37,308 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 21:27:37,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 21:27:37,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 21:27:37,308 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_8a4d3045-d948-46ff-8cbc-911b4fa31386/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 -> 6b059dfef9f85366fcaeddec812cf96c32b1df0d [2019-12-01 21:27:37,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:27:37,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:27:37,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:27:37,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:27:37,422 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:27:37,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/../../sv-benchmarks/c/ssh/s3_clnt.blast.01.i.cil-2.c [2019-12-01 21:27:37,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/e9234f9dd/98b6204101464966830cf5c9b8f4a999/FLAG916592565 [2019-12-01 21:27:37,833 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:27:37,833 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/sv-benchmarks/c/ssh/s3_clnt.blast.01.i.cil-2.c [2019-12-01 21:27:37,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/e9234f9dd/98b6204101464966830cf5c9b8f4a999/FLAG916592565 [2019-12-01 21:27:37,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/e9234f9dd/98b6204101464966830cf5c9b8f4a999 [2019-12-01 21:27:37,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:27:37,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:27:37,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:27:37,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:27:37,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:27:37,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:27:37" (1/1) ... [2019-12-01 21:27:37,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512f528a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:37, skipping insertion in model container [2019-12-01 21:27:37,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:27:37" (1/1) ... [2019-12-01 21:27:37,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:27:37,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:27:38,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:27:38,186 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:27:38,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:27:38,264 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:27:38,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38 WrapperNode [2019-12-01 21:27:38,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:27:38,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:27:38,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:27:38,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:27:38,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:27:38,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:27:38,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:27:38,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:27:38,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... [2019-12-01 21:27:38,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:27:38,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:27:38,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:27:38,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:27:38,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:27:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/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 [2019-12-01 21:27:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 21:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 21:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 21:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 21:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 21:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 21:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:27:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:27:38,561 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 21:27:39,074 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-01 21:27:39,074 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-01 21:27:40,534 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:27:40,534 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 21:27:40,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:27:40 BoogieIcfgContainer [2019-12-01 21:27:40,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:27:40,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:27:40,536 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:27:40,543 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:27:40,543 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:27:40" (1/1) ... [2019-12-01 21:27:40,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:27:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 148 transitions. [2019-12-01 21:27:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 148 transitions. [2019-12-01 21:27:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 21:27:40,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:40,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 89 states and 148 transitions. [2019-12-01 21:27:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 148 transitions. [2019-12-01 21:27:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 21:27:40,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 212 transitions. [2019-12-01 21:27:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 212 transitions. [2019-12-01 21:27:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 21:27:41,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 118 states and 213 transitions. [2019-12-01 21:27:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 213 transitions. [2019-12-01 21:27:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 21:27:41,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 127 states and 245 transitions. [2019-12-01 21:27:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2019-12-01 21:27:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 21:27:41,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 128 states and 246 transitions. [2019-12-01 21:27:41,534 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 246 transitions. [2019-12-01 21:27:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 21:27:41,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 131 states and 251 transitions. [2019-12-01 21:27:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 251 transitions. [2019-12-01 21:27:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 21:27:41,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 132 states and 252 transitions. [2019-12-01 21:27:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2019-12-01 21:27:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 21:27:41,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 133 states and 253 transitions. [2019-12-01 21:27:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 253 transitions. [2019-12-01 21:27:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 21:27:41,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 136 states and 257 transitions. [2019-12-01 21:27:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 257 transitions. [2019-12-01 21:27:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 21:27:41,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 137 states and 258 transitions. [2019-12-01 21:27:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2019-12-01 21:27:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 21:27:41,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 283 transitions. [2019-12-01 21:27:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 283 transitions. [2019-12-01 21:27:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 21:27:42,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 149 states and 282 transitions. [2019-12-01 21:27:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 282 transitions. [2019-12-01 21:27:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 21:27:42,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 281 transitions. [2019-12-01 21:27:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 281 transitions. [2019-12-01 21:27:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 21:27:42,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 146 states and 280 transitions. [2019-12-01 21:27:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 280 transitions. [2019-12-01 21:27:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 21:27:42,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:43,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:43,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 168 states and 336 transitions. [2019-12-01 21:27:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 336 transitions. [2019-12-01 21:27:43,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:27:43,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 193 states and 390 transitions. [2019-12-01 21:27:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 390 transitions. [2019-12-01 21:27:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:27:45,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 194 states and 391 transitions. [2019-12-01 21:27:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 391 transitions. [2019-12-01 21:27:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:27:45,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 196 states and 396 transitions. [2019-12-01 21:27:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 396 transitions. [2019-12-01 21:27:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:27:46,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 198 states and 410 transitions. [2019-12-01 21:27:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 410 transitions. [2019-12-01 21:27:46,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:27:46,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 199 states and 411 transitions. [2019-12-01 21:27:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 411 transitions. [2019-12-01 21:27:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:27:46,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 200 states and 412 transitions. [2019-12-01 21:27:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 412 transitions. [2019-12-01 21:27:46,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:27:46,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 203 states and 417 transitions. [2019-12-01 21:27:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 417 transitions. [2019-12-01 21:27:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:27:46,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 202 states and 415 transitions. [2019-12-01 21:27:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 415 transitions. [2019-12-01 21:27:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 21:27:46,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 205 states and 420 transitions. [2019-12-01 21:27:46,550 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 420 transitions. [2019-12-01 21:27:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 21:27:46,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 206 states and 421 transitions. [2019-12-01 21:27:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 421 transitions. [2019-12-01 21:27:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 21:27:46,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 218 states and 445 transitions. [2019-12-01 21:27:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 445 transitions. [2019-12-01 21:27:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 21:27:48,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:50,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 234 states and 481 transitions. [2019-12-01 21:27:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 481 transitions. [2019-12-01 21:27:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 21:27:50,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 235 states and 482 transitions. [2019-12-01 21:27:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 482 transitions. [2019-12-01 21:27:50,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 21:27:50,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 21:27:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 239 states and 486 transitions. [2019-12-01 21:27:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 486 transitions. [2019-12-01 21:27:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 21:27:50,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 252 states and 511 transitions. [2019-12-01 21:27:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 511 transitions. [2019-12-01 21:27:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 21:27:53,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 258 states and 527 transitions. [2019-12-01 21:27:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 527 transitions. [2019-12-01 21:27:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 21:27:53,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 281 states and 587 transitions. [2019-12-01 21:27:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 587 transitions. [2019-12-01 21:27:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 21:27:58,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 279 states and 583 transitions. [2019-12-01 21:27:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 583 transitions. [2019-12-01 21:27:58,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 21:27:58,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:58,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:58,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 280 states and 584 transitions. [2019-12-01 21:27:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 584 transitions. [2019-12-01 21:27:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 21:27:58,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 283 states and 591 transitions. [2019-12-01 21:27:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 591 transitions. [2019-12-01 21:27:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 21:27:59,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:27:59,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 285 states and 605 transitions. [2019-12-01 21:27:59,496 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 605 transitions. [2019-12-01 21:27:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 21:27:59,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:27:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:27:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 288 states and 611 transitions. [2019-12-01 21:27:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 611 transitions. [2019-12-01 21:27:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:27:59,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:27:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:27:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 291 states and 615 transitions. [2019-12-01 21:28:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 615 transitions. [2019-12-01 21:28:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:28:00,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:00,349 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:28:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 290 states and 613 transitions. [2019-12-01 21:28:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 613 transitions. [2019-12-01 21:28:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:28:00,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 310 states and 662 transitions. [2019-12-01 21:28:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 662 transitions. [2019-12-01 21:28:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:28:04,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 328 states and 695 transitions. [2019-12-01 21:28:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 695 transitions. [2019-12-01 21:28:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:28:14,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 329 states and 696 transitions. [2019-12-01 21:28:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 696 transitions. [2019-12-01 21:28:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 21:28:14,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:28:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 343 states and 722 transitions. [2019-12-01 21:28:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 722 transitions. [2019-12-01 21:28:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 21:28:18,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:28:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 346 states and 731 transitions. [2019-12-01 21:28:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 731 transitions. [2019-12-01 21:28:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 21:28:19,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:19,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 347 states and 732 transitions. [2019-12-01 21:28:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 732 transitions. [2019-12-01 21:28:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 21:28:19,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:28:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 349 states and 745 transitions. [2019-12-01 21:28:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 745 transitions. [2019-12-01 21:28:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 21:28:20,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:20,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 352 states and 751 transitions. [2019-12-01 21:28:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 751 transitions. [2019-12-01 21:28:20,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 21:28:20,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:28:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 367 states and 777 transitions. [2019-12-01 21:28:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 777 transitions. [2019-12-01 21:28:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 21:28:25,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:28:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 368 states and 778 transitions. [2019-12-01 21:28:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 778 transitions. [2019-12-01 21:28:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 21:28:25,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:28:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 366 states and 775 transitions. [2019-12-01 21:28:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 775 transitions. [2019-12-01 21:28:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 21:28:25,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:28:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:25,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 367 states and 776 transitions. [2019-12-01 21:28:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 776 transitions. [2019-12-01 21:28:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 21:28:25,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 368 states and 779 transitions. [2019-12-01 21:28:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 779 transitions. [2019-12-01 21:28:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 21:28:25,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 368 states and 778 transitions. [2019-12-01 21:28:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 778 transitions. [2019-12-01 21:28:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 21:28:27,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:28:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:27,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 371 states and 785 transitions. [2019-12-01 21:28:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 785 transitions. [2019-12-01 21:28:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 21:28:27,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:28,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 374 states and 789 transitions. [2019-12-01 21:28:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 789 transitions. [2019-12-01 21:28:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 21:28:28,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:28,359 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:28,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 374 states and 788 transitions. [2019-12-01 21:28:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 788 transitions. [2019-12-01 21:28:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 21:28:28,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 374 states and 786 transitions. [2019-12-01 21:28:30,964 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 786 transitions. [2019-12-01 21:28:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 21:28:30,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:28:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 375 states and 787 transitions. [2019-12-01 21:28:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 787 transitions. [2019-12-01 21:28:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 21:28:31,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:28:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 391 states and 814 transitions. [2019-12-01 21:28:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 814 transitions. [2019-12-01 21:28:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 21:28:39,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 21:28:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 392 states and 815 transitions. [2019-12-01 21:28:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 815 transitions. [2019-12-01 21:28:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 21:28:39,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 392 states and 814 transitions. [2019-12-01 21:28:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 814 transitions. [2019-12-01 21:28:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 21:28:40,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:40,492 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 392 states and 812 transitions. [2019-12-01 21:28:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 812 transitions. [2019-12-01 21:28:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 21:28:41,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:28:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 403 states and 827 transitions. [2019-12-01 21:28:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 827 transitions. [2019-12-01 21:28:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 21:28:45,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 21:28:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:28:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 411 states and 841 transitions. [2019-12-01 21:28:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 841 transitions. [2019-12-01 21:28:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 21:28:46,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:28:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:28:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:29:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 428 states and 869 transitions. [2019-12-01 21:29:01,170 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 869 transitions. [2019-12-01 21:29:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 21:29:01,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 429 states and 870 transitions. [2019-12-01 21:29:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 870 transitions. [2019-12-01 21:29:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 21:29:01,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 430 states and 871 transitions. [2019-12-01 21:29:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 871 transitions. [2019-12-01 21:29:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 21:29:05,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 436 states and 885 transitions. [2019-12-01 21:29:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 885 transitions. [2019-12-01 21:29:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 21:29:07,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 21:29:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 437 states and 886 transitions. [2019-12-01 21:29:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 886 transitions. [2019-12-01 21:29:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 21:29:07,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 438 states and 887 transitions. [2019-12-01 21:29:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 887 transitions. [2019-12-01 21:29:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 21:29:07,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:09,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:09,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 438 states and 886 transitions. [2019-12-01 21:29:09,165 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 886 transitions. [2019-12-01 21:29:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 21:29:09,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 21:29:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:10,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 440 states and 897 transitions. [2019-12-01 21:29:10,402 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 897 transitions. [2019-12-01 21:29:10,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 21:29:10,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 437 states and 888 transitions. [2019-12-01 21:29:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 888 transitions. [2019-12-01 21:29:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 21:29:10,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:10,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 434 states and 882 transitions. [2019-12-01 21:29:10,471 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 882 transitions. [2019-12-01 21:29:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 21:29:10,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 437 states and 887 transitions. [2019-12-01 21:29:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 887 transitions. [2019-12-01 21:29:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 21:29:10,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 21:29:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 439 states and 890 transitions. [2019-12-01 21:29:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 890 transitions. [2019-12-01 21:29:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 21:29:12,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 21:29:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 447 states and 903 transitions. [2019-12-01 21:29:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 903 transitions. [2019-12-01 21:29:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 21:29:15,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 447 states and 902 transitions. [2019-12-01 21:29:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 902 transitions. [2019-12-01 21:29:15,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 21:29:15,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 448 states and 903 transitions. [2019-12-01 21:29:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 903 transitions. [2019-12-01 21:29:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 21:29:15,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 454 states and 918 transitions. [2019-12-01 21:29:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 918 transitions. [2019-12-01 21:29:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 21:29:17,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 21:29:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 455 states and 919 transitions. [2019-12-01 21:29:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 919 transitions. [2019-12-01 21:29:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 21:29:17,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 21:29:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 456 states and 919 transitions. [2019-12-01 21:29:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 919 transitions. [2019-12-01 21:29:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 21:29:17,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 459 states and 924 transitions. [2019-12-01 21:29:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 924 transitions. [2019-12-01 21:29:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 21:29:17,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 459 states and 923 transitions. [2019-12-01 21:29:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 923 transitions. [2019-12-01 21:29:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 21:29:18,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:18,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 460 states and 924 transitions. [2019-12-01 21:29:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 924 transitions. [2019-12-01 21:29:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 21:29:18,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 460 states and 920 transitions. [2019-12-01 21:29:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 920 transitions. [2019-12-01 21:29:18,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 21:29:18,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 459 states and 918 transitions. [2019-12-01 21:29:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 918 transitions. [2019-12-01 21:29:19,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 21:29:19,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 460 states and 919 transitions. [2019-12-01 21:29:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 919 transitions. [2019-12-01 21:29:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 21:29:19,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 460 states and 918 transitions. [2019-12-01 21:29:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 918 transitions. [2019-12-01 21:29:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 21:29:19,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:29:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 461 states and 919 transitions. [2019-12-01 21:29:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 919 transitions. [2019-12-01 21:29:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 21:29:19,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 21:29:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 467 states and 933 transitions. [2019-12-01 21:29:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 933 transitions. [2019-12-01 21:29:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 21:29:21,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 469 states and 936 transitions. [2019-12-01 21:29:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 936 transitions. [2019-12-01 21:29:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 21:29:22,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:29:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 470 states and 938 transitions. [2019-12-01 21:29:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 938 transitions. [2019-12-01 21:29:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 21:29:22,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 475 states and 947 transitions. [2019-12-01 21:29:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 947 transitions. [2019-12-01 21:29:22,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 21:29:22,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 479 states and 953 transitions. [2019-12-01 21:29:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 953 transitions. [2019-12-01 21:29:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 21:29:22,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 477 states and 949 transitions. [2019-12-01 21:29:22,833 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 949 transitions. [2019-12-01 21:29:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 21:29:22,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 478 states and 950 transitions. [2019-12-01 21:29:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 950 transitions. [2019-12-01 21:29:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 21:29:22,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 479 states and 951 transitions. [2019-12-01 21:29:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 951 transitions. [2019-12-01 21:29:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 21:29:22,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 478 states and 949 transitions. [2019-12-01 21:29:22,951 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 949 transitions. [2019-12-01 21:29:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 21:29:22,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 481 states and 954 transitions. [2019-12-01 21:29:23,012 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 954 transitions. [2019-12-01 21:29:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 21:29:23,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:29:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 482 states and 955 transitions. [2019-12-01 21:29:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 955 transitions. [2019-12-01 21:29:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 21:29:23,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 484 states and 957 transitions. [2019-12-01 21:29:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 957 transitions. [2019-12-01 21:29:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 21:29:23,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 485 states and 958 transitions. [2019-12-01 21:29:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 958 transitions. [2019-12-01 21:29:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 21:29:23,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:29:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 486 states and 959 transitions. [2019-12-01 21:29:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 959 transitions. [2019-12-01 21:29:24,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 21:29:24,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 484 states and 956 transitions. [2019-12-01 21:29:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 956 transitions. [2019-12-01 21:29:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 21:29:24,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:29:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 485 states and 958 transitions. [2019-12-01 21:29:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 958 transitions. [2019-12-01 21:29:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 21:29:24,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:24,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:24,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 488 states and 963 transitions. [2019-12-01 21:29:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 963 transitions. [2019-12-01 21:29:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 21:29:24,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:29:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 489 states and 964 transitions. [2019-12-01 21:29:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 964 transitions. [2019-12-01 21:29:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 21:29:24,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 492 states and 968 transitions. [2019-12-01 21:29:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 968 transitions. [2019-12-01 21:29:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 21:29:24,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:29:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 510 states and 1007 transitions. [2019-12-01 21:29:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1007 transitions. [2019-12-01 21:29:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 21:29:34,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 21:29:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 511 states and 1008 transitions. [2019-12-01 21:29:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1008 transitions. [2019-12-01 21:29:34,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 21:29:34,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 508 states and 1003 transitions. [2019-12-01 21:29:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1003 transitions. [2019-12-01 21:29:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 21:29:34,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 511 states and 1013 transitions. [2019-12-01 21:29:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1013 transitions. [2019-12-01 21:29:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 21:29:34,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:29:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 512 states and 1015 transitions. [2019-12-01 21:29:36,722 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1015 transitions. [2019-12-01 21:29:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 21:29:36,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:29:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 514 states and 1022 transitions. [2019-12-01 21:29:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1022 transitions. [2019-12-01 21:29:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 21:29:37,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 21:29:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 518 states and 1030 transitions. [2019-12-01 21:29:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1030 transitions. [2019-12-01 21:29:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 21:29:38,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 21:29:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 522 states and 1038 transitions. [2019-12-01 21:29:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1038 transitions. [2019-12-01 21:29:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 21:29:40,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 21:29:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 523 states and 1039 transitions. [2019-12-01 21:29:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1039 transitions. [2019-12-01 21:29:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 21:29:40,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:29:41,520 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2019-12-01 21:29:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:29:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 543 states and 1083 transitions. [2019-12-01 21:29:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1083 transitions. [2019-12-01 21:29:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 21:29:56,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:29:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:29:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 562 states and 1124 transitions. [2019-12-01 21:30:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1124 transitions. [2019-12-01 21:30:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 21:30:06,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:07,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 562 states and 1123 transitions. [2019-12-01 21:30:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1123 transitions. [2019-12-01 21:30:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 21:30:07,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:30:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 563 states and 1124 transitions. [2019-12-01 21:30:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1124 transitions. [2019-12-01 21:30:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 21:30:07,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 564 states and 1125 transitions. [2019-12-01 21:30:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1125 transitions. [2019-12-01 21:30:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 21:30:08,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 565 states and 1128 transitions. [2019-12-01 21:30:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1128 transitions. [2019-12-01 21:30:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 21:30:14,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 21:30:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 568 states and 1135 transitions. [2019-12-01 21:30:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1135 transitions. [2019-12-01 21:30:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 21:30:14,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:30:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 569 states and 1136 transitions. [2019-12-01 21:30:15,017 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1136 transitions. [2019-12-01 21:30:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 21:30:15,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 21:30:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 579 states and 1147 transitions. [2019-12-01 21:30:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1147 transitions. [2019-12-01 21:30:24,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 21:30:24,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 21:30:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 580 states and 1148 transitions. [2019-12-01 21:30:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1148 transitions. [2019-12-01 21:30:24,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 21:30:24,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:30:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 581 states and 1149 transitions. [2019-12-01 21:30:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1149 transitions. [2019-12-01 21:30:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 21:30:25,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 586 states and 1158 transitions. [2019-12-01 21:30:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1158 transitions. [2019-12-01 21:30:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 21:30:25,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-01 21:30:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 587 states and 1160 transitions. [2019-12-01 21:30:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1160 transitions. [2019-12-01 21:30:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 21:30:25,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-01 21:30:26,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 589 states and 1166 transitions. [2019-12-01 21:30:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1166 transitions. [2019-12-01 21:30:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 21:30:26,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:38,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 580 states and 1148 transitions. [2019-12-01 21:30:38,545 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1148 transitions. [2019-12-01 21:30:38,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 21:30:38,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:30:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:38,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 583 states and 1153 transitions. [2019-12-01 21:30:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1153 transitions. [2019-12-01 21:30:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 21:30:38,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 584 states and 1154 transitions. [2019-12-01 21:30:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1154 transitions. [2019-12-01 21:30:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 21:30:38,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:30:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 585 states and 1156 transitions. [2019-12-01 21:30:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1156 transitions. [2019-12-01 21:30:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 21:30:38,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:43,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 585 states and 1155 transitions. [2019-12-01 21:30:43,042 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1155 transitions. [2019-12-01 21:30:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 21:30:43,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:30:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 586 states and 1156 transitions. [2019-12-01 21:30:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1156 transitions. [2019-12-01 21:30:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 21:30:43,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 589 states and 1162 transitions. [2019-12-01 21:30:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1162 transitions. [2019-12-01 21:30:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 21:30:43,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 590 states and 1163 transitions. [2019-12-01 21:30:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1163 transitions. [2019-12-01 21:30:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 21:30:43,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:46,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 590 states and 1162 transitions. [2019-12-01 21:30:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1162 transitions. [2019-12-01 21:30:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 21:30:46,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 590 states and 1161 transitions. [2019-12-01 21:30:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1161 transitions. [2019-12-01 21:30:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 21:30:49,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:30:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 593 states and 1166 transitions. [2019-12-01 21:30:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1166 transitions. [2019-12-01 21:30:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 21:30:49,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 594 states and 1167 transitions. [2019-12-01 21:30:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1167 transitions. [2019-12-01 21:30:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 21:30:49,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 593 states and 1165 transitions. [2019-12-01 21:30:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1165 transitions. [2019-12-01 21:30:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 21:30:49,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:51,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 593 states and 1164 transitions. [2019-12-01 21:30:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1164 transitions. [2019-12-01 21:30:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 21:30:51,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 593 states and 1163 transitions. [2019-12-01 21:30:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1163 transitions. [2019-12-01 21:30:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 21:30:51,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:30:51,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 594 states and 1164 transitions. [2019-12-01 21:30:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1164 transitions. [2019-12-01 21:30:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 21:30:51,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:30:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 596 states and 1166 transitions. [2019-12-01 21:30:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1166 transitions. [2019-12-01 21:30:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 21:30:51,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 596 states and 1165 transitions. [2019-12-01 21:30:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1165 transitions. [2019-12-01 21:30:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 21:30:56,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:30:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:30:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 596 states and 1164 transitions. [2019-12-01 21:30:59,383 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1164 transitions. [2019-12-01 21:30:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 21:30:59,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:30:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:30:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:31:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 596 states and 1163 transitions. [2019-12-01 21:31:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1163 transitions. [2019-12-01 21:31:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 21:31:04,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:04,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:04,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 597 states and 1164 transitions. [2019-12-01 21:31:04,663 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1164 transitions. [2019-12-01 21:31:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 21:31:04,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:04,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 595 states and 1161 transitions. [2019-12-01 21:31:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1161 transitions. [2019-12-01 21:31:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 21:31:04,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 596 states and 1162 transitions. [2019-12-01 21:31:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1162 transitions. [2019-12-01 21:31:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 21:31:04,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 21:31:07,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 596 states and 1161 transitions. [2019-12-01 21:31:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1161 transitions. [2019-12-01 21:31:07,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 21:31:07,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 601 states and 1173 transitions. [2019-12-01 21:31:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1173 transitions. [2019-12-01 21:31:07,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 21:31:07,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 605 states and 1182 transitions. [2019-12-01 21:31:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1182 transitions. [2019-12-01 21:31:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 21:31:09,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 608 states and 1186 transitions. [2019-12-01 21:31:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1186 transitions. [2019-12-01 21:31:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 21:31:09,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:31:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 613 states and 1195 transitions. [2019-12-01 21:31:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1195 transitions. [2019-12-01 21:31:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 21:31:09,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 614 states and 1196 transitions. [2019-12-01 21:31:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1196 transitions. [2019-12-01 21:31:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 21:31:09,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:31:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 618 states and 1202 transitions. [2019-12-01 21:31:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1202 transitions. [2019-12-01 21:31:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 21:31:09,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 615 states and 1196 transitions. [2019-12-01 21:31:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1196 transitions. [2019-12-01 21:31:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 21:31:09,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 21:31:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 617 states and 1199 transitions. [2019-12-01 21:31:10,320 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1199 transitions. [2019-12-01 21:31:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 21:31:10,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:31:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 618 states and 1200 transitions. [2019-12-01 21:31:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1200 transitions. [2019-12-01 21:31:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 21:31:10,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:10,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 621 states and 1206 transitions. [2019-12-01 21:31:10,421 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1206 transitions. [2019-12-01 21:31:10,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 21:31:10,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:31:16,737 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 [2019-12-01 21:31:17,273 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-12-01 21:31:19,187 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 18 [2019-12-01 21:31:25,462 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2019-12-01 21:31:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 640 states and 1240 transitions. [2019-12-01 21:31:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1240 transitions. [2019-12-01 21:31:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 21:31:37,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:31:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 643 states and 1245 transitions. [2019-12-01 21:31:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1245 transitions. [2019-12-01 21:31:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 21:31:37,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 644 states and 1246 transitions. [2019-12-01 21:31:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1246 transitions. [2019-12-01 21:31:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 21:31:37,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 647 states and 1253 transitions. [2019-12-01 21:31:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1253 transitions. [2019-12-01 21:31:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 21:31:37,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 648 states and 1256 transitions. [2019-12-01 21:31:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1256 transitions. [2019-12-01 21:31:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 21:31:47,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:31:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 649 states and 1257 transitions. [2019-12-01 21:31:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1257 transitions. [2019-12-01 21:31:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 21:31:47,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 652 states and 1265 transitions. [2019-12-01 21:31:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1265 transitions. [2019-12-01 21:31:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 21:31:47,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 653 states and 1266 transitions. [2019-12-01 21:31:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1266 transitions. [2019-12-01 21:31:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 21:31:47,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 658 states and 1274 transitions. [2019-12-01 21:31:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1274 transitions. [2019-12-01 21:31:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 21:31:47,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:47,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 659 states and 1275 transitions. [2019-12-01 21:31:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1275 transitions. [2019-12-01 21:31:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 21:31:47,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:31:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 662 states and 1280 transitions. [2019-12-01 21:31:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1280 transitions. [2019-12-01 21:31:47,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 21:31:47,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 665 states and 1285 transitions. [2019-12-01 21:31:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1285 transitions. [2019-12-01 21:31:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 21:31:47,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 666 states and 1286 transitions. [2019-12-01 21:31:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1286 transitions. [2019-12-01 21:31:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 21:31:48,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:31:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 669 states and 1290 transitions. [2019-12-01 21:31:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1290 transitions. [2019-12-01 21:31:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 21:31:48,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 21:31:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 670 states and 1291 transitions. [2019-12-01 21:31:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1291 transitions. [2019-12-01 21:31:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 21:31:48,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:48,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 671 states and 1292 transitions. [2019-12-01 21:31:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1292 transitions. [2019-12-01 21:31:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 21:31:48,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 674 states and 1297 transitions. [2019-12-01 21:31:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1297 transitions. [2019-12-01 21:31:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 21:31:48,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:31:49,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:49,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 675 states and 1298 transitions. [2019-12-01 21:31:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1298 transitions. [2019-12-01 21:31:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 21:31:49,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 678 states and 1303 transitions. [2019-12-01 21:31:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1303 transitions. [2019-12-01 21:31:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 21:31:49,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:49,224 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 679 states and 1304 transitions. [2019-12-01 21:31:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1304 transitions. [2019-12-01 21:31:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 21:31:49,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 680 states and 1305 transitions. [2019-12-01 21:31:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1305 transitions. [2019-12-01 21:31:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 21:31:49,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-12-01 21:31:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 684 states and 1309 transitions. [2019-12-01 21:31:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1309 transitions. [2019-12-01 21:31:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 21:31:50,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 689 states and 1319 transitions. [2019-12-01 21:31:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1319 transitions. [2019-12-01 21:31:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 21:31:51,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 693 states and 1326 transitions. [2019-12-01 21:31:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1326 transitions. [2019-12-01 21:31:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 21:31:51,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 698 states and 1335 transitions. [2019-12-01 21:31:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1335 transitions. [2019-12-01 21:31:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 21:31:52,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 699 states and 1336 transitions. [2019-12-01 21:31:52,114 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1336 transitions. [2019-12-01 21:31:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 21:31:52,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 703 states and 1342 transitions. [2019-12-01 21:31:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1342 transitions. [2019-12-01 21:31:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-01 21:31:52,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 21:31:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 706 states and 1347 transitions. [2019-12-01 21:31:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1347 transitions. [2019-12-01 21:31:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-01 21:31:53,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 707 states and 1348 transitions. [2019-12-01 21:31:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1348 transitions. [2019-12-01 21:31:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-01 21:31:53,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 710 states and 1353 transitions. [2019-12-01 21:31:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1353 transitions. [2019-12-01 21:31:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 21:31:53,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:31:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 714 states and 1364 transitions. [2019-12-01 21:31:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1364 transitions. [2019-12-01 21:31:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 21:31:55,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,098 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 21:31:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 715 states and 1364 transitions. [2019-12-01 21:31:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1364 transitions. [2019-12-01 21:31:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 21:31:56,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 718 states and 1369 transitions. [2019-12-01 21:31:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1369 transitions. [2019-12-01 21:31:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 21:31:56,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,240 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 719 states and 1370 transitions. [2019-12-01 21:31:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1370 transitions. [2019-12-01 21:31:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 21:31:56,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-01 21:31:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 719 states and 1369 transitions. [2019-12-01 21:31:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1369 transitions. [2019-12-01 21:31:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 21:31:56,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 720 states and 1370 transitions. [2019-12-01 21:31:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1370 transitions. [2019-12-01 21:31:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 21:31:56,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 723 states and 1376 transitions. [2019-12-01 21:31:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1376 transitions. [2019-12-01 21:31:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 21:31:56,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 724 states and 1377 transitions. [2019-12-01 21:31:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1377 transitions. [2019-12-01 21:31:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 21:31:56,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 727 states and 1382 transitions. [2019-12-01 21:31:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1382 transitions. [2019-12-01 21:31:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-12-01 21:31:56,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 21:31:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 728 states and 1383 transitions. [2019-12-01 21:31:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1383 transitions. [2019-12-01 21:31:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 21:31:56,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:31:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 729 states and 1384 transitions. [2019-12-01 21:31:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1384 transitions. [2019-12-01 21:31:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 21:31:56,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 21:31:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 735 states and 1396 transitions. [2019-12-01 21:31:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1396 transitions. [2019-12-01 21:31:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 21:31:56,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 21:31:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 741 states and 1419 transitions. [2019-12-01 21:31:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1419 transitions. [2019-12-01 21:31:59,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 21:31:59,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:31:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 21:31:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:31:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 742 states and 1420 transitions. [2019-12-01 21:31:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1420 transitions. [2019-12-01 21:31:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 21:31:59,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:31:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 21:32:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 742 states and 1416 transitions. [2019-12-01 21:32:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1416 transitions. [2019-12-01 21:32:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 21:32:00,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:32:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 742 states and 1415 transitions. [2019-12-01 21:32:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1415 transitions. [2019-12-01 21:32:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 21:32:02,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 21:32:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 742 states and 1414 transitions. [2019-12-01 21:32:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1414 transitions. [2019-12-01 21:32:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 21:32:02,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:32:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 742 states and 1413 transitions. [2019-12-01 21:32:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1413 transitions. [2019-12-01 21:32:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 21:32:03,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:32:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 761 states and 1459 transitions. [2019-12-01 21:32:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1459 transitions. [2019-12-01 21:32:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 21:32:22,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:32:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 766 states and 1469 transitions. [2019-12-01 21:32:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1469 transitions. [2019-12-01 21:32:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-01 21:32:26,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:32:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 766 states and 1468 transitions. [2019-12-01 21:32:29,664 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1468 transitions. [2019-12-01 21:32:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-01 21:32:29,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:32:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 767 states and 1469 transitions. [2019-12-01 21:32:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1469 transitions. [2019-12-01 21:32:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-01 21:32:29,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 21:32:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:35,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 769 states and 1477 transitions. [2019-12-01 21:32:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1477 transitions. [2019-12-01 21:32:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 21:32:35,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 21:32:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 769 states and 1476 transitions. [2019-12-01 21:32:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1476 transitions. [2019-12-01 21:32:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 21:32:38,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:32:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 769 states and 1475 transitions. [2019-12-01 21:32:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1475 transitions. [2019-12-01 21:32:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 21:32:43,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:32:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 769 states and 1474 transitions. [2019-12-01 21:32:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1474 transitions. [2019-12-01 21:32:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 21:32:47,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:32:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 769 states and 1473 transitions. [2019-12-01 21:32:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1473 transitions. [2019-12-01 21:32:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 21:32:50,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 21:32:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 769 states and 1472 transitions. [2019-12-01 21:32:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1472 transitions. [2019-12-01 21:32:53,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 21:32:53,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 21:32:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 769 states and 1471 transitions. [2019-12-01 21:32:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1471 transitions. [2019-12-01 21:32:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 21:32:59,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:32:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 772 states and 1475 transitions. [2019-12-01 21:32:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1475 transitions. [2019-12-01 21:32:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-01 21:32:59,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:32:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:32:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 773 states and 1476 transitions. [2019-12-01 21:32:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1476 transitions. [2019-12-01 21:32:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-01 21:32:59,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:32:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:32:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 21:33:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:33:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 774 states and 1477 transitions. [2019-12-01 21:33:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1477 transitions. [2019-12-01 21:33:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 21:33:01,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:33:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:33:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 21:33:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:33:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 778 states and 1485 transitions. [2019-12-01 21:33:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1485 transitions. [2019-12-01 21:33:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 21:33:03,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:33:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:33:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 21:33:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:33:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 779 states and 1488 transitions. [2019-12-01 21:33:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1488 transitions. [2019-12-01 21:33:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-01 21:33:05,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:33:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:33:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 21:33:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:33:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 782 states and 1492 transitions. [2019-12-01 21:33:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1492 transitions. [2019-12-01 21:33:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 21:33:08,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:33:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 21:33:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 21:33:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-12-01 21:33:18,726 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) [2019-12-01 21:33:18,728 INFO L168 Benchmark]: Toolchain (without parser) took 340872.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.3 MB in the beginning and 630.4 MB in the end (delta: 309.0 MB). Peak memory consumption was 423.3 MB. Max. memory is 11.5 GB. [2019-12-01 21:33:18,729 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:33:18,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:33:18,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:33:18,729 INFO L168 Benchmark]: Boogie Preprocessor took 56.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:33:18,730 INFO L168 Benchmark]: RCFGBuilder took 2159.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.9 MB in the end (delta: 208.6 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. [2019-12-01 21:33:18,730 INFO L168 Benchmark]: CodeCheck took 338191.88 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Free memory was 849.9 MB in the beginning and 630.4 MB in the end (delta: 219.5 MB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:33:18,731 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2159.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.9 MB in the end (delta: 208.6 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. * CodeCheck took 338191.88 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Free memory was 849.9 MB in the beginning and 630.4 MB in the end (delta: 219.5 MB). Peak memory consumption was 237.4 MB. 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 0.1.25-f470102 [2019-12-01 21:33:20,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:33:20,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:33:20,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:33:20,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:33:20,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:33:20,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:33:20,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:33:20,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:33:20,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:33:20,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:33:20,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:33:20,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:33:20,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:33:20,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:33:20,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:33:20,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:33:20,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:33:20,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:33:20,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:33:20,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:33:20,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:33:20,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:33:20,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:33:20,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:33:20,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:33:20,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:33:20,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:33:20,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:33:20,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:33:20,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:33:20,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:33:20,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:33:20,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:33:20,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:33:20,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:33:20,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:33:20,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:33:20,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:33:20,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:33:20,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:33:20,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-12-01 21:33:20,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:33:20,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:33:20,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 21:33:20,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 21:33:20,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:33:20,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:33:20,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:33:20,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:33:20,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:33:20,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:33:20,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 21:33:20,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:33:20,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 21:33:20,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-01 21:33:20,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-01 21:33:20,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-01 21:33:20,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:33:20,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 21:33:20,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:33:20,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 21:33:20,108 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:33:20,108 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:33:20,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:33:20,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:33:20,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:33:20,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:33:20,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:33:20,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 21:33:20,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-01 21:33:20,110 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-01 21:33:20,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 21:33:20,110 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-01 21:33:20,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 21:33:20,110 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_8a4d3045-d948-46ff-8cbc-911b4fa31386/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 -> 6b059dfef9f85366fcaeddec812cf96c32b1df0d [2019-12-01 21:33:20,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:33:20,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:33:20,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:33:20,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:33:20,290 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:33:20,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/../../sv-benchmarks/c/ssh/s3_clnt.blast.01.i.cil-2.c [2019-12-01 21:33:20,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/566351537/a0228ec370334a99a9e3f47a538c3f15/FLAG751f0ba4f [2019-12-01 21:33:20,819 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:33:20,820 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/sv-benchmarks/c/ssh/s3_clnt.blast.01.i.cil-2.c [2019-12-01 21:33:20,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/566351537/a0228ec370334a99a9e3f47a538c3f15/FLAG751f0ba4f [2019-12-01 21:33:21,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/bin/ukojak/data/566351537/a0228ec370334a99a9e3f47a538c3f15 [2019-12-01 21:33:21,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:33:21,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:33:21,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:33:21,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:33:21,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:33:21,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2636b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21, skipping insertion in model container [2019-12-01 21:33:21,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:33:21,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:33:21,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:33:21,674 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-01 21:33:21,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:33:21,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:33:21,741 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:33:21,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:33:21,810 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:33:21,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21 WrapperNode [2019-12-01 21:33:21,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:33:21,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:33:21,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:33:21,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:33:21,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:33:21,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:33:21,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:33:21,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:33:21,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... [2019-12-01 21:33:21,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:33:21,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:33:21,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:33:21,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:33:21,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:33:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a4d3045-d948-46ff-8cbc-911b4fa31386/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 [2019-12-01 21:33:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 21:33:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 21:33:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-01 21:33:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 21:33:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 21:33:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:33:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:33:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-01 21:33:22,088 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 21:33:38,686 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-01 21:33:38,687 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-01 21:38:30,829 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:38:30,829 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 21:38:30,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:38:30 BoogieIcfgContainer [2019-12-01 21:38:30,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:38:30,830 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:38:30,830 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:38:30,837 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:38:30,837 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:38:30" (1/1) ... [2019-12-01 21:38:30,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:38:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:38:30,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 148 transitions. [2019-12-01 21:38:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 148 transitions. [2019-12-01 21:38:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 21:38:30,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:38:30,902 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) [2019-12-01 21:38:30,905 INFO L168 Benchmark]: Toolchain (without parser) took 309591.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:38:30,905 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:38:30,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:38:30,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:38:30,907 INFO L168 Benchmark]: Boogie Preprocessor took 52.79 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-01 21:38:30,907 INFO L168 Benchmark]: RCFGBuilder took 308913.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.6 MB). Peak memory consumption was 280.5 MB. Max. memory is 11.5 GB. [2019-12-01 21:38:30,908 INFO L168 Benchmark]: CodeCheck took 73.29 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-12-01 21:38:30,910 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 496.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.79 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 308913.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.6 MB). Peak memory consumption was 280.5 MB. Max. memory is 11.5 GB. * CodeCheck took 73.29 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...