./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e107441daffe219fcef86523aff14082b11c5fb6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:22:29,362 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:22:29,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:22:29,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:22:29,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:22:29,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:22:29,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:22:29,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:22:29,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:22:29,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:22:29,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:22:29,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:22:29,375 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:22:29,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:22:29,376 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:22:29,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:22:29,377 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:22:29,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:22:29,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:22:29,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:22:29,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:22:29,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:22:29,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:22:29,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:22:29,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:22:29,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:22:29,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:22:29,384 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:22:29,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:22:29,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:22:29,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:22:29,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:22:29,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:22:29,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:22:29,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:22:29,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:22:29,387 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:22:29,395 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:22:29,395 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:22:29,395 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:22:29,396 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:22:29,396 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:22:29,396 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:22:29,396 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:22:29,396 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:22:29,396 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:22:29,397 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:22:29,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:22:29,398 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:22:29,398 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:22:29,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:22:29,398 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:22:29,398 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:22:29,398 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:22:29,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:22:29,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:22:29,399 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:22:29,399 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:22:29,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:22:29,399 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e107441daffe219fcef86523aff14082b11c5fb6 [2018-12-01 16:22:29,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:22:29,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:22:29,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:22:29,426 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:22:29,426 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:22:29,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-01 16:22:29,461 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/data/f05139e60/307164ed6e8749c4964255e23ed33829/FLAG44af0940e [2018-12-01 16:22:29,939 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:22:29,940 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-01 16:22:29,949 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/data/f05139e60/307164ed6e8749c4964255e23ed33829/FLAG44af0940e [2018-12-01 16:22:29,958 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/data/f05139e60/307164ed6e8749c4964255e23ed33829 [2018-12-01 16:22:29,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:22:29,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:22:29,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:22:29,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:22:29,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:22:29,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:22:29" (1/1) ... [2018-12-01 16:22:29,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:29, skipping insertion in model container [2018-12-01 16:22:29,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:22:29" (1/1) ... [2018-12-01 16:22:29,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:22:29,989 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:22:30,120 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:22:30,123 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:22:30,159 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:22:30,169 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:22:30,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30 WrapperNode [2018-12-01 16:22:30,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:22:30,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:22:30,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:22:30,170 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:22:30,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:22:30,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:22:30,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:22:30,236 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:22:30,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:22:30,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:22:30,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:22:30,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:22:30,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:22:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2018-12-01 16:22:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2018-12-01 16:22:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-12-01 16:22:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-12-01 16:22:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-12-01 16:22:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-12-01 16:22:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-12-01 16:22:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-12-01 16:22:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2018-12-01 16:22:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2018-12-01 16:22:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-12-01 16:22:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-12-01 16:22:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:22:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:22:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2018-12-01 16:22:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2018-12-01 16:22:30,438 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 16:22:30,438 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 16:22:30,441 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 16:22:30,442 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 16:22:30,443 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 16:22:30,444 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 16:22:30,447 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 16:22:30,447 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 16:22:30,449 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 16:22:30,449 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 16:22:30,656 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 16:22:30,656 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 16:22:30,906 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:22:30,906 INFO L280 CfgBuilder]: Removed 20 assue(true) statements. [2018-12-01 16:22:30,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:22:30 BoogieIcfgContainer [2018-12-01 16:22:30,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:22:30,907 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:22:30,907 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:22:30,916 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:22:30,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:22:30" (1/1) ... [2018-12-01 16:22:30,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:22:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 149 states and 235 transitions. [2018-12-01 16:22:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 235 transitions. [2018-12-01 16:22:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 16:22:30,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 148 states and 219 transitions. [2018-12-01 16:22:31,070 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 219 transitions. [2018-12-01 16:22:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 16:22:31,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 147 states and 217 transitions. [2018-12-01 16:22:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2018-12-01 16:22:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 16:22:31,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 146 states and 215 transitions. [2018-12-01 16:22:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 215 transitions. [2018-12-01 16:22:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 16:22:31,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 147 states and 216 transitions. [2018-12-01 16:22:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2018-12-01 16:22:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 16:22:31,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 154 states and 226 transitions. [2018-12-01 16:22:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 226 transitions. [2018-12-01 16:22:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 16:22:31,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 155 states and 227 transitions. [2018-12-01 16:22:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 227 transitions. [2018-12-01 16:22:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 16:22:31,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 154 states and 225 transitions. [2018-12-01 16:22:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 225 transitions. [2018-12-01 16:22:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 16:22:31,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 153 states and 223 transitions. [2018-12-01 16:22:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 223 transitions. [2018-12-01 16:22:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 16:22:31,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 152 states and 221 transitions. [2018-12-01 16:22:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 221 transitions. [2018-12-01 16:22:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 16:22:31,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 150 states and 218 transitions. [2018-12-01 16:22:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 218 transitions. [2018-12-01 16:22:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 16:22:31,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 218 transitions. [2018-12-01 16:22:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2018-12-01 16:22:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 16:22:31,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 144 states and 208 transitions. [2018-12-01 16:22:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 208 transitions. [2018-12-01 16:22:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 16:22:31,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 221 transitions. [2018-12-01 16:22:31,490 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2018-12-01 16:22:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 16:22:31,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 221 transitions. [2018-12-01 16:22:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2018-12-01 16:22:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 16:22:31,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 149 states and 220 transitions. [2018-12-01 16:22:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 220 transitions. [2018-12-01 16:22:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 16:22:31,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 149 states and 219 transitions. [2018-12-01 16:22:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2018-12-01 16:22:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 16:22:31,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 150 states and 225 transitions. [2018-12-01 16:22:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2018-12-01 16:22:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 16:22:31,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 150 states and 224 transitions. [2018-12-01 16:22:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 224 transitions. [2018-12-01 16:22:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 16:22:31,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 150 states and 222 transitions. [2018-12-01 16:22:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 222 transitions. [2018-12-01 16:22:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 16:22:31,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 155 states and 232 transitions. [2018-12-01 16:22:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 232 transitions. [2018-12-01 16:22:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 16:22:31,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 158 states and 235 transitions. [2018-12-01 16:22:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 235 transitions. [2018-12-01 16:22:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 16:22:31,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 165 states and 252 transitions. [2018-12-01 16:22:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 252 transitions. [2018-12-01 16:22:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:22:31,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 167 states and 257 transitions. [2018-12-01 16:22:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 257 transitions. [2018-12-01 16:22:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:22:31,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 174 states and 271 transitions. [2018-12-01 16:22:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 271 transitions. [2018-12-01 16:22:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:22:32,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 176 states and 276 transitions. [2018-12-01 16:22:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 276 transitions. [2018-12-01 16:22:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:22:32,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 178 states and 276 transitions. [2018-12-01 16:22:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 276 transitions. [2018-12-01 16:22:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 16:22:32,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 178 states and 274 transitions. [2018-12-01 16:22:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 274 transitions. [2018-12-01 16:22:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 16:22:32,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 178 states and 272 transitions. [2018-12-01 16:22:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions. [2018-12-01 16:22:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 16:22:32,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 272 transitions. [2018-12-01 16:22:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 272 transitions. [2018-12-01 16:22:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:22:32,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 165 states and 248 transitions. [2018-12-01 16:22:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 248 transitions. [2018-12-01 16:22:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 16:22:32,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 174 states and 264 transitions. [2018-12-01 16:22:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 264 transitions. [2018-12-01 16:22:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:22:32,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 174 states and 262 transitions. [2018-12-01 16:22:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 262 transitions. [2018-12-01 16:22:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 16:22:32,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 175 states and 263 transitions. [2018-12-01 16:22:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 263 transitions. [2018-12-01 16:22:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:22:32,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 177 states and 265 transitions. [2018-12-01 16:22:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 265 transitions. [2018-12-01 16:22:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:22:32,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 178 states and 265 transitions. [2018-12-01 16:22:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2018-12-01 16:22:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:22:32,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 178 states and 263 transitions. [2018-12-01 16:22:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 263 transitions. [2018-12-01 16:22:32,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:22:32,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 176 states and 259 transitions. [2018-12-01 16:22:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 259 transitions. [2018-12-01 16:22:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:22:32,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 176 states and 257 transitions. [2018-12-01 16:22:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 257 transitions. [2018-12-01 16:22:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 16:22:32,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 172 states and 249 transitions. [2018-12-01 16:22:32,738 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 249 transitions. [2018-12-01 16:22:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:22:32,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 173 states and 249 transitions. [2018-12-01 16:22:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 249 transitions. [2018-12-01 16:22:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:22:32,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 166 states and 238 transitions. [2018-12-01 16:22:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2018-12-01 16:22:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 16:22:32,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 166 states and 236 transitions. [2018-12-01 16:22:32,793 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 236 transitions. [2018-12-01 16:22:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:22:32,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 166 states and 234 transitions. [2018-12-01 16:22:32,818 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 234 transitions. [2018-12-01 16:22:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 16:22:32,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 168 states and 246 transitions. [2018-12-01 16:22:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2018-12-01 16:22:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 16:22:32,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 169 states and 253 transitions. [2018-12-01 16:22:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 253 transitions. [2018-12-01 16:22:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 16:22:33,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 162 states and 244 transitions. [2018-12-01 16:22:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 244 transitions. [2018-12-01 16:22:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:22:33,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 165 states and 249 transitions. [2018-12-01 16:22:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 249 transitions. [2018-12-01 16:22:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:33,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 165 states and 247 transitions. [2018-12-01 16:22:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 247 transitions. [2018-12-01 16:22:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 16:22:33,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 170 states and 257 transitions. [2018-12-01 16:22:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 257 transitions. [2018-12-01 16:22:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 16:22:33,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 171 states and 257 transitions. [2018-12-01 16:22:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 257 transitions. [2018-12-01 16:22:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 16:22:33,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 171 states and 256 transitions. [2018-12-01 16:22:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2018-12-01 16:22:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 16:22:33,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 177 states and 265 transitions. [2018-12-01 16:22:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 265 transitions. [2018-12-01 16:22:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 16:22:33,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:33,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 177 states and 263 transitions. [2018-12-01 16:22:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2018-12-01 16:22:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:22:33,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 184 states and 274 transitions. [2018-12-01 16:22:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 274 transitions. [2018-12-01 16:22:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:22:34,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 185 states and 274 transitions. [2018-12-01 16:22:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 274 transitions. [2018-12-01 16:22:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:22:34,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:34,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 178 states and 263 transitions. [2018-12-01 16:22:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 263 transitions. [2018-12-01 16:22:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 16:22:34,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 182 states and 269 transitions. [2018-12-01 16:22:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 269 transitions. [2018-12-01 16:22:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:34,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:34,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:34,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 190 states and 288 transitions. [2018-12-01 16:22:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 288 transitions. [2018-12-01 16:22:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:34,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 191 states and 289 transitions. [2018-12-01 16:22:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 289 transitions. [2018-12-01 16:22:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:22:34,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 191 states and 287 transitions. [2018-12-01 16:22:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 287 transitions. [2018-12-01 16:22:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 16:22:34,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 199 states and 305 transitions. [2018-12-01 16:22:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 305 transitions. [2018-12-01 16:22:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:22:35,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 200 states and 305 transitions. [2018-12-01 16:22:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 305 transitions. [2018-12-01 16:22:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 16:22:35,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 205 states and 328 transitions. [2018-12-01 16:22:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 328 transitions. [2018-12-01 16:22:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 16:22:36,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 206 states and 329 transitions. [2018-12-01 16:22:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 329 transitions. [2018-12-01 16:22:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 16:22:36,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 207 states and 330 transitions. [2018-12-01 16:22:36,034 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 330 transitions. [2018-12-01 16:22:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 16:22:36,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:36,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 207 states and 329 transitions. [2018-12-01 16:22:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 329 transitions. [2018-12-01 16:22:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:36,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 207 states and 327 transitions. [2018-12-01 16:22:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 327 transitions. [2018-12-01 16:22:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:36,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 217 states and 346 transitions. [2018-12-01 16:22:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 346 transitions. [2018-12-01 16:22:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:36,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:37,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 223 states and 362 transitions. [2018-12-01 16:22:37,554 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 362 transitions. [2018-12-01 16:22:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:37,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 226 states and 366 transitions. [2018-12-01 16:22:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 366 transitions. [2018-12-01 16:22:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:38,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 227 states and 366 transitions. [2018-12-01 16:22:38,056 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 366 transitions. [2018-12-01 16:22:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:38,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 215 states and 347 transitions. [2018-12-01 16:22:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 347 transitions. [2018-12-01 16:22:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 16:22:38,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 206 states and 333 transitions. [2018-12-01 16:22:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 333 transitions. [2018-12-01 16:22:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:22:38,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 208 states and 336 transitions. [2018-12-01 16:22:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 336 transitions. [2018-12-01 16:22:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:38,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 208 states and 334 transitions. [2018-12-01 16:22:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 334 transitions. [2018-12-01 16:22:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 16:22:39,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 213 states and 351 transitions. [2018-12-01 16:22:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 351 transitions. [2018-12-01 16:22:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 16:22:40,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 213 states and 350 transitions. [2018-12-01 16:22:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 350 transitions. [2018-12-01 16:22:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 16:22:40,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 213 states and 348 transitions. [2018-12-01 16:22:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 348 transitions. [2018-12-01 16:22:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:22:40,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 214 states and 353 transitions. [2018-12-01 16:22:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 353 transitions. [2018-12-01 16:22:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:22:41,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 214 states and 352 transitions. [2018-12-01 16:22:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 352 transitions. [2018-12-01 16:22:41,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:22:41,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:41,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 214 states and 351 transitions. [2018-12-01 16:22:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 351 transitions. [2018-12-01 16:22:41,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 16:22:41,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 214 states and 349 transitions. [2018-12-01 16:22:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 349 transitions. [2018-12-01 16:22:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:22:41,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 215 states and 355 transitions. [2018-12-01 16:22:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 355 transitions. [2018-12-01 16:22:41,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:41,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:41,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 216 states and 356 transitions. [2018-12-01 16:22:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 356 transitions. [2018-12-01 16:22:41,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:41,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:41,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 217 states and 359 transitions. [2018-12-01 16:22:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 359 transitions. [2018-12-01 16:22:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:41,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 217 states and 358 transitions. [2018-12-01 16:22:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 358 transitions. [2018-12-01 16:22:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:42,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 221 states and 370 transitions. [2018-12-01 16:22:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2018-12-01 16:22:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:43,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 224 states and 383 transitions. [2018-12-01 16:22:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 383 transitions. [2018-12-01 16:22:44,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:22:44,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 224 states and 382 transitions. [2018-12-01 16:22:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 382 transitions. [2018-12-01 16:22:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 16:22:44,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 202 states and 343 transitions. [2018-12-01 16:22:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 343 transitions. [2018-12-01 16:22:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 16:22:44,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 206 states and 363 transitions. [2018-12-01 16:22:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 363 transitions. [2018-12-01 16:22:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 16:22:45,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 207 states and 369 transitions. [2018-12-01 16:22:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 369 transitions. [2018-12-01 16:22:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 16:22:46,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:46,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 207 states and 367 transitions. [2018-12-01 16:22:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 367 transitions. [2018-12-01 16:22:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 16:22:46,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:46,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 208 states and 372 transitions. [2018-12-01 16:22:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 372 transitions. [2018-12-01 16:22:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 16:22:46,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 208 states and 370 transitions. [2018-12-01 16:22:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 370 transitions. [2018-12-01 16:22:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 16:22:47,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 211 states and 381 transitions. [2018-12-01 16:22:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 381 transitions. [2018-12-01 16:22:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 16:22:48,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 214 states and 387 transitions. [2018-12-01 16:22:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 387 transitions. [2018-12-01 16:22:49,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 16:22:49,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 214 states and 386 transitions. [2018-12-01 16:22:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 386 transitions. [2018-12-01 16:22:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 16:22:49,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 215 states and 389 transitions. [2018-12-01 16:22:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 389 transitions. [2018-12-01 16:22:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 16:22:49,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:22:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:49,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 215 states and 388 transitions. [2018-12-01 16:22:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 388 transitions. [2018-12-01 16:22:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 16:22:49,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:22:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:22:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:22:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:22:50,048 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 101 iterations. [2018-12-01 16:22:50,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:22:50 ImpRootNode [2018-12-01 16:22:50,102 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:22:50,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:22:50,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:22:50,102 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:22:50,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:22:30" (3/4) ... [2018-12-01 16:22:50,104 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 16:22:50,191 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e011d4a9-5159-44fa-8050-472ee10b4037/bin-2019/ukojak/witness.graphml [2018-12-01 16:22:50,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:22:50,191 INFO L168 Benchmark]: Toolchain (without parser) took 20231.45 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 569.9 MB). Free memory was 960.3 MB in the beginning and 887.0 MB in the end (delta: 73.3 MB). Peak memory consumption was 643.2 MB. Max. memory is 11.5 GB. [2018-12-01 16:22:50,193 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:22:50,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.57 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 938.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:22:50,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:22:50,193 INFO L168 Benchmark]: Boogie Preprocessor took 21.90 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. [2018-12-01 16:22:50,194 INFO L168 Benchmark]: RCFGBuilder took 648.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.7 MB in the end (delta: 135.3 MB). Peak memory consumption was 135.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:22:50,194 INFO L168 Benchmark]: CodeCheck took 19194.92 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 448.8 MB). Free memory was 976.7 MB in the beginning and 902.3 MB in the end (delta: 74.4 MB). Peak memory consumption was 523.2 MB. Max. memory is 11.5 GB. [2018-12-01 16:22:50,194 INFO L168 Benchmark]: Witness Printer took 88.73 ms. Allocated memory is still 1.6 GB. Free memory was 902.3 MB in the beginning and 887.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:22:50,196 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 219 locations, 1 error locations. UNSAFE Result, 19.1s OverallTime, 101 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2130745344 SDtfs, -2142229084 SDslu, 1180279608 SDs, 0 SdLazy, -409187520 SolverSat, 463374756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26960 GetRequests, 26262 SyntacticMatches, 310 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68629 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2573 NumberOfCodeBlocks, 2573 NumberOfCodeBlocksAsserted, 101 NumberOfCheckSat, 2440 ConstructedInterpolants, 0 QuantifiedInterpolants, 144953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 100 InterpolantComputations, 100 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1012]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] int KernelMode ; [L23] int Executive ; [L24] int DevicePowerState ; [L25] int s ; [L26] int UNLOADED ; [L27] int NP ; [L28] int DC ; [L29] int SKIP1 ; [L30] int SKIP2 ; [L31] int MPR1 ; [L32] int MPR3 ; [L33] int IPC ; [L34] int pended ; [L35] int compFptr ; [L36] int compRegistered ; [L37] int lowerDriverReturn ; [L38] int setEventCalled ; [L39] int customIrp ; [L40] int myStatus ; [L293] int status ; [L294] int irp = __VERIFIER_nondet_int() ; [L295] int pirp ; [L296] int pirp__IoStatus__Status ; [L297] int irp_choice = __VERIFIER_nondet_int() ; [L298] int devobj = __VERIFIER_nondet_int() ; [L299] int __cil_tmp8 ; [L301] KernelMode = 0 [L302] Executive = 0 [L303] DevicePowerState = 1 [L304] s = 0 [L305] UNLOADED = 0 [L306] NP = 0 [L307] DC = 0 [L308] SKIP1 = 0 [L309] SKIP2 = 0 [L310] MPR1 = 0 [L311] MPR3 = 0 [L312] IPC = 0 [L313] pended = 0 [L314] compFptr = 0 [L315] compRegistered = 0 [L316] lowerDriverReturn = 0 [L317] setEventCalled = 0 [L318] customIrp = 0 [L319] myStatus = 0 [L323] status = 0 [L324] pirp = irp [L60] UNLOADED = 0 [L61] NP = 1 [L62] DC = 2 [L63] SKIP1 = 3 [L64] SKIP2 = 4 [L65] MPR1 = 5 [L66] MPR3 = 6 [L67] IPC = 7 [L68] s = UNLOADED [L69] pended = 0 [L70] compFptr = 0 [L71] compRegistered = 0 [L72] lowerDriverReturn = 0 [L73] setEventCalled = 0 [L74] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L327] COND TRUE status >= 0 [L328] s = NP [L329] customIrp = 0 [L330] setEventCalled = customIrp [L331] lowerDriverReturn = setEventCalled [L332] compRegistered = lowerDriverReturn [L333] pended = compRegistered [L334] pirp__IoStatus__Status = 0 [L335] myStatus = 0 [L336] COND TRUE irp_choice == 0 [L337] pirp__IoStatus__Status = -1073741637 [L338] myStatus = -1073741637 [L46] s = NP [L47] pended = 0 [L48] compFptr = 0 [L49] compRegistered = 0 [L50] lowerDriverReturn = 0 [L51] setEventCalled = 0 [L52] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L344] COND FALSE !(status < 0) [L348] int tmp_ndt_1; [L349] tmp_ndt_1 = __VERIFIER_nondet_int() [L350] COND FALSE !(tmp_ndt_1 == 0) [L353] int tmp_ndt_2; [L354] tmp_ndt_2 = __VERIFIER_nondet_int() [L355] COND FALSE !(tmp_ndt_2 == 1) [L358] int tmp_ndt_3; [L359] tmp_ndt_3 = __VERIFIER_nondet_int() [L360] COND TRUE tmp_ndt_3 == 3 [L79] int devExt ; [L80] int irpStack ; [L81] int status ; [L82] int event = __VERIFIER_nondet_int() ; [L83] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L84] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L85] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L86] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L87] int devExt__Started ; [L88] int devExt__Removed ; [L89] int devExt__SurpriseRemoved ; [L90] int Irp__IoStatus__Status ; [L91] int Irp__IoStatus__Information ; [L92] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L93] int irpSp ; [L94] int nextIrpSp ; [L95] int nextIrpSp__Control ; [L96] int irpSp___0 ; [L97] int irpSp__Context ; [L98] int irpSp__Control ; [L99] long __cil_tmp23 ; [L102] status = 0 [L103] devExt = DeviceObject__DeviceExtension [L104] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L105] COND FALSE !(irpStack__MinorFunction == 0) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L108] COND FALSE !(irpStack__MinorFunction == 23) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L111] COND TRUE irpStack__MinorFunction == 2 [L235] devExt__Removed = 1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L236] COND TRUE s == NP [L237] s = SKIP1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L244] Irp__CurrentLocation ++ [L245] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L246] CALL IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L482] int returnVal2 ; [L483] int compRetStatus ; [L484] int lcontext = __VERIFIER_nondet_int() ; [L485] long long __cil_tmp7 ; VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L488] COND FALSE !(\read(compRegistered)) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L501] int tmp_ndt_6; [L502] tmp_ndt_6 = __VERIFIER_nondet_int() [L503] COND FALSE !(tmp_ndt_6 == 0) [L506] int tmp_ndt_7; [L507] tmp_ndt_7 = __VERIFIER_nondet_int() [L508] COND FALSE !(tmp_ndt_7 == 1) [L520] returnVal2 = 259 VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=259, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=2, UNLOADED=0] [L527] COND FALSE !(s == NP) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=259, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=2, UNLOADED=0] [L531] COND FALSE !(s == MPR1) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=259, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=2, UNLOADED=0] [L540] COND TRUE s == SKIP1 [L541] s = SKIP2 [L542] lowerDriverReturn = returnVal2 VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=259, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=2, UNLOADED=0] [L550] return (returnVal2); [L246] RET IofCallDriver(devExt__TopOfStack, Irp) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L247] status = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L289] return (status); [L387] status = KbFilter_PnP(devobj, pirp) [L411] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L419] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L427] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L428] COND TRUE status != -1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L429] COND FALSE !(s != SKIP2) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L439] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L446] COND FALSE !(s == DC) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L451] COND TRUE status != lowerDriverReturn VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L452] CALL errorFn() VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L1012] __VERIFIER_error() VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=259, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.57 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 938.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.90 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. * RCFGBuilder took 648.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.7 MB in the end (delta: 135.3 MB). Peak memory consumption was 135.3 MB. Max. memory is 11.5 GB. * CodeCheck took 19194.92 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 448.8 MB). Free memory was 976.7 MB in the beginning and 902.3 MB in the end (delta: 74.4 MB). Peak memory consumption was 523.2 MB. Max. memory is 11.5 GB. * Witness Printer took 88.73 ms. Allocated memory is still 1.6 GB. Free memory was 902.3 MB in the beginning and 887.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...