./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/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_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/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 0.1.23-5842f4b [2018-11-18 10:09:59,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:09:59,413 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:09:59,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:09:59,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:09:59,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:09:59,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:09:59,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:09:59,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:09:59,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:09:59,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:09:59,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:09:59,425 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:09:59,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:09:59,426 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:09:59,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:09:59,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:09:59,428 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:09:59,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:09:59,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:09:59,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:09:59,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:09:59,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:09:59,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:09:59,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:09:59,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:09:59,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:09:59,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:09:59,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:09:59,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:09:59,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:09:59,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:09:59,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:09:59,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:09:59,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:09:59,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:09:59,439 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:09:59,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:09:59,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:09:59,447 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:09:59,447 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:09:59,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:09:59,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:09:59,448 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:09:59,448 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:09:59,448 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:09:59,448 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:09:59,448 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:09:59,449 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:09:59,449 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:09:59,449 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:09:59,449 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:09:59,449 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:09:59,449 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:09:59,449 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:09:59,449 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:09:59,450 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:09:59,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:09:59,450 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:09:59,450 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:09:59,450 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:09:59,450 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:09:59,450 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:09:59,451 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:09:59,451 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:09:59,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:09:59,451 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_39d77018-f53d-4576-8012-92e132a99176/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 [2018-11-18 10:09:59,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:09:59,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:09:59,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:09:59,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:09:59,486 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:09:59,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 10:09:59,525 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/data/4dfc9fb17/ed5bf352ada44f22bc4fbcf8e4c5785d/FLAG2255f2e5b [2018-11-18 10:09:59,861 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:09:59,862 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 10:09:59,871 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/data/4dfc9fb17/ed5bf352ada44f22bc4fbcf8e4c5785d/FLAG2255f2e5b [2018-11-18 10:09:59,883 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/data/4dfc9fb17/ed5bf352ada44f22bc4fbcf8e4c5785d [2018-11-18 10:09:59,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:09:59,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:09:59,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:09:59,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:09:59,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:09:59,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:09:59" (1/1) ... [2018-11-18 10:09:59,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a20cd8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:59, skipping insertion in model container [2018-11-18 10:09:59,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:09:59" (1/1) ... [2018-11-18 10:09:59,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:09:59,928 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:10:00,110 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:00,114 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:10:00,164 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:00,174 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:10:00,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00 WrapperNode [2018-11-18 10:10:00,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:10:00,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:00,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:10:00,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:10:00,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:00,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:10:00,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:10:00,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:10:00,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... [2018-11-18 10:10:00,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:10:00,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:10:00,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:10:00,272 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:10:00,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:10:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2018-11-18 10:10:00,307 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2018-11-18 10:10:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-18 10:10:00,308 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-18 10:10:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-18 10:10:00,308 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-18 10:10:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-18 10:10:00,308 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-18 10:10:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2018-11-18 10:10:00,308 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2018-11-18 10:10:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-18 10:10:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-18 10:10:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:10:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:10:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2018-11-18 10:10:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2018-11-18 10:10:00,501 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:10:00,502 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:10:00,505 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:10:00,505 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:10:00,507 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:10:00,507 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:10:00,510 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:10:00,511 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:10:00,512 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:10:00,512 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:10:00,878 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:10:00,878 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:10:01,167 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:10:01,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:01 BoogieIcfgContainer [2018-11-18 10:10:01,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:10:01,168 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:10:01,168 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:10:01,175 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:10:01,175 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:01" (1/1) ... [2018-11-18 10:10:01,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 149 states and 235 transitions. [2018-11-18 10:10:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 235 transitions. [2018-11-18 10:10:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:10:01,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 148 states and 219 transitions. [2018-11-18 10:10:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 219 transitions. [2018-11-18 10:10:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:10:01,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 149 states and 220 transitions. [2018-11-18 10:10:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 220 transitions. [2018-11-18 10:10:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:10:01,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 218 transitions. [2018-11-18 10:10:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2018-11-18 10:10:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:10:01,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 147 states and 216 transitions. [2018-11-18 10:10:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2018-11-18 10:10:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 10:10:01,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 154 states and 226 transitions. [2018-11-18 10:10:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 226 transitions. [2018-11-18 10:10:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 10:10:01,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 155 states and 227 transitions. [2018-11-18 10:10:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 227 transitions. [2018-11-18 10:10:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 10:10:01,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 153 states and 224 transitions. [2018-11-18 10:10:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 224 transitions. [2018-11-18 10:10:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 10:10:01,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 152 states and 222 transitions. [2018-11-18 10:10:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2018-11-18 10:10:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 10:10:01,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 220 transitions. [2018-11-18 10:10:01,832 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2018-11-18 10:10:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 10:10:01,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 150 states and 218 transitions. [2018-11-18 10:10:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 218 transitions. [2018-11-18 10:10:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 10:10:01,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 218 transitions. [2018-11-18 10:10:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2018-11-18 10:10:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 10:10:01,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 144 states and 208 transitions. [2018-11-18 10:10:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 208 transitions. [2018-11-18 10:10:01,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:10:01,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 221 transitions. [2018-11-18 10:10:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2018-11-18 10:10:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:10:02,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 221 transitions. [2018-11-18 10:10:02,048 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2018-11-18 10:10:02,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:10:02,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 149 states and 220 transitions. [2018-11-18 10:10:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 220 transitions. [2018-11-18 10:10:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:10:02,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 149 states and 219 transitions. [2018-11-18 10:10:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2018-11-18 10:10:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:10:02,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 150 states and 226 transitions. [2018-11-18 10:10:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 226 transitions. [2018-11-18 10:10:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:10:02,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 150 states and 225 transitions. [2018-11-18 10:10:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2018-11-18 10:10:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:10:02,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 153 states and 228 transitions. [2018-11-18 10:10:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2018-11-18 10:10:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:10:02,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 153 states and 227 transitions. [2018-11-18 10:10:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2018-11-18 10:10:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:10:02,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 158 states and 237 transitions. [2018-11-18 10:10:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2018-11-18 10:10:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:10:02,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 158 states and 236 transitions. [2018-11-18 10:10:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2018-11-18 10:10:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:10:02,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 159 states and 236 transitions. [2018-11-18 10:10:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2018-11-18 10:10:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:10:02,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 159 states and 235 transitions. [2018-11-18 10:10:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 235 transitions. [2018-11-18 10:10:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:10:02,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 145 states and 212 transitions. [2018-11-18 10:10:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 212 transitions. [2018-11-18 10:10:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:10:02,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 145 states and 211 transitions. [2018-11-18 10:10:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 211 transitions. [2018-11-18 10:10:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:10:02,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 152 states and 228 transitions. [2018-11-18 10:10:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 228 transitions. [2018-11-18 10:10:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:10:02,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 163 states and 249 transitions. [2018-11-18 10:10:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 249 transitions. [2018-11-18 10:10:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:10:02,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 165 states and 253 transitions. [2018-11-18 10:10:02,706 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 10:10:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:10:02,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 165 states and 252 transitions. [2018-11-18 10:10:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 252 transitions. [2018-11-18 10:10:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:10:02,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 165 states and 250 transitions. [2018-11-18 10:10:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2018-11-18 10:10:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:10:02,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 166 states and 251 transitions. [2018-11-18 10:10:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2018-11-18 10:10:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:10:02,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 166 states and 249 transitions. [2018-11-18 10:10:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 249 transitions. [2018-11-18 10:10:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:10:02,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 173 states and 261 transitions. [2018-11-18 10:10:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2018-11-18 10:10:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:10:02,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 259 transitions. [2018-11-18 10:10:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 259 transitions. [2018-11-18 10:10:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:10:03,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 175 states and 262 transitions. [2018-11-18 10:10:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 262 transitions. [2018-11-18 10:10:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:10:03,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 176 states and 262 transitions. [2018-11-18 10:10:03,143 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 262 transitions. [2018-11-18 10:10:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:10:03,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 177 states and 262 transitions. [2018-11-18 10:10:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2018-11-18 10:10:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:10:03,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 258 transitions. [2018-11-18 10:10:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 258 transitions. [2018-11-18 10:10:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:10:03,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 257 transitions. [2018-11-18 10:10:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 257 transitions. [2018-11-18 10:10:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:10:03,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 175 states and 254 transitions. [2018-11-18 10:10:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2018-11-18 10:10:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:10:03,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 168 states and 243 transitions. [2018-11-18 10:10:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 243 transitions. [2018-11-18 10:10:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:10:03,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 168 states and 241 transitions. [2018-11-18 10:10:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 241 transitions. [2018-11-18 10:10:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:10:03,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 168 states and 239 transitions. [2018-11-18 10:10:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 239 transitions. [2018-11-18 10:10:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:03,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 170 states and 251 transitions. [2018-11-18 10:10:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 251 transitions. [2018-11-18 10:10:03,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:10:03,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 163 states and 241 transitions. [2018-11-18 10:10:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-11-18 10:10:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:03,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 164 states and 246 transitions. [2018-11-18 10:10:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2018-11-18 10:10:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:10:03,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 169 states and 256 transitions. [2018-11-18 10:10:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 256 transitions. [2018-11-18 10:10:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:10:03,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 169 states and 254 transitions. [2018-11-18 10:10:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 254 transitions. [2018-11-18 10:10:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:10:03,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 172 states and 259 transitions. [2018-11-18 10:10:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 259 transitions. [2018-11-18 10:10:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:10:03,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 178 states and 268 transitions. [2018-11-18 10:10:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 268 transitions. [2018-11-18 10:10:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:10:04,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 178 states and 267 transitions. [2018-11-18 10:10:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 267 transitions. [2018-11-18 10:10:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:04,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 179 states and 267 transitions. [2018-11-18 10:10:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2018-11-18 10:10:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:10:04,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 187 states and 287 transitions. [2018-11-18 10:10:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 287 transitions. [2018-11-18 10:10:04,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:10:04,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 187 states and 286 transitions. [2018-11-18 10:10:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 286 transitions. [2018-11-18 10:10:04,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:10:04,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 188 states and 287 transitions. [2018-11-18 10:10:04,819 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 287 transitions. [2018-11-18 10:10:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:10:04,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 196 states and 306 transitions. [2018-11-18 10:10:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 306 transitions. [2018-11-18 10:10:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:05,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 197 states and 307 transitions. [2018-11-18 10:10:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 307 transitions. [2018-11-18 10:10:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:05,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 197 states and 306 transitions. [2018-11-18 10:10:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 306 transitions. [2018-11-18 10:10:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:05,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 204 states and 325 transitions. [2018-11-18 10:10:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 325 transitions. [2018-11-18 10:10:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:05,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:06,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 213 states and 347 transitions. [2018-11-18 10:10:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 347 transitions. [2018-11-18 10:10:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:06,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 214 states and 348 transitions. [2018-11-18 10:10:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 348 transitions. [2018-11-18 10:10:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:06,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 216 states and 351 transitions. [2018-11-18 10:10:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 351 transitions. [2018-11-18 10:10:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:06,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 218 states and 359 transitions. [2018-11-18 10:10:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 359 transitions. [2018-11-18 10:10:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:10:07,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 209 states and 342 transitions. [2018-11-18 10:10:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 342 transitions. [2018-11-18 10:10:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:10:07,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 213 states and 348 transitions. [2018-11-18 10:10:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 348 transitions. [2018-11-18 10:10:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:10:07,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 217 states and 366 transitions. [2018-11-18 10:10:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 366 transitions. [2018-11-18 10:10:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:10:08,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 215 states and 362 transitions. [2018-11-18 10:10:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 362 transitions. [2018-11-18 10:10:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:10:08,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 216 states and 363 transitions. [2018-11-18 10:10:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 363 transitions. [2018-11-18 10:10:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:10:08,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 217 states and 367 transitions. [2018-11-18 10:10:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 367 transitions. [2018-11-18 10:10:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:10:08,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 217 states and 365 transitions. [2018-11-18 10:10:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 365 transitions. [2018-11-18 10:10:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:10:08,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 217 states and 364 transitions. [2018-11-18 10:10:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 364 transitions. [2018-11-18 10:10:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:08,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 218 states and 364 transitions. [2018-11-18 10:10:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 364 transitions. [2018-11-18 10:10:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:10:08,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 218 states and 363 transitions. [2018-11-18 10:10:08,764 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 363 transitions. [2018-11-18 10:10:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:10:08,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 218 states and 361 transitions. [2018-11-18 10:10:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 361 transitions. [2018-11-18 10:10:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:08,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 220 states and 364 transitions. [2018-11-18 10:10:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 364 transitions. [2018-11-18 10:10:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:10:08,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:09,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 220 states and 362 transitions. [2018-11-18 10:10:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 362 transitions. [2018-11-18 10:10:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:10:09,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 225 states and 379 transitions. [2018-11-18 10:10:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 379 transitions. [2018-11-18 10:10:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:10,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 226 states and 384 transitions. [2018-11-18 10:10:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 384 transitions. [2018-11-18 10:10:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:10:10,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:10,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 226 states and 382 transitions. [2018-11-18 10:10:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 382 transitions. [2018-11-18 10:10:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:10,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 229 states and 394 transitions. [2018-11-18 10:10:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 394 transitions. [2018-11-18 10:10:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:12,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 230 states and 397 transitions. [2018-11-18 10:10:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 397 transitions. [2018-11-18 10:10:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:13,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:13,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 230 states and 396 transitions. [2018-11-18 10:10:13,178 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 396 transitions. [2018-11-18 10:10:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:10:13,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 230 states and 395 transitions. [2018-11-18 10:10:13,222 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 395 transitions. [2018-11-18 10:10:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:10:13,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 206 states and 353 transitions. [2018-11-18 10:10:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 353 transitions. [2018-11-18 10:10:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:10:13,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:14,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 207 states and 356 transitions. [2018-11-18 10:10:14,464 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 356 transitions. [2018-11-18 10:10:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:10:14,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 207 states and 355 transitions. [2018-11-18 10:10:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 355 transitions. [2018-11-18 10:10:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:10:14,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 211 states and 367 transitions. [2018-11-18 10:10:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 367 transitions. [2018-11-18 10:10:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:10:15,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 211 states and 366 transitions. [2018-11-18 10:10:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 366 transitions. [2018-11-18 10:10:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:10:15,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 211 states and 365 transitions. [2018-11-18 10:10:16,204 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 365 transitions. [2018-11-18 10:10:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:10:16,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 215 states and 386 transitions. [2018-11-18 10:10:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 386 transitions. [2018-11-18 10:10:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:10:17,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 216 states and 391 transitions. [2018-11-18 10:10:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 391 transitions. [2018-11-18 10:10:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 10:10:18,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:18,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 216 states and 389 transitions. [2018-11-18 10:10:18,195 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 389 transitions. [2018-11-18 10:10:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 10:10:18,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 217 states and 394 transitions. [2018-11-18 10:10:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 394 transitions. [2018-11-18 10:10:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 10:10:19,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 217 states and 392 transitions. [2018-11-18 10:10:19,217 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 392 transitions. [2018-11-18 10:10:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:10:19,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 222 states and 405 transitions. [2018-11-18 10:10:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 405 transitions. [2018-11-18 10:10:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:10:20,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:10:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 223 states and 409 transitions. [2018-11-18 10:10:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 409 transitions. [2018-11-18 10:10:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:10:21,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:10:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:10:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:10:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:10:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:10:21,366 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 98 iterations. [2018-11-18 10:10:21,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:10:21 ImpRootNode [2018-11-18 10:10:21,418 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:10:21,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:10:21,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:10:21,419 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:10:21,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:01" (3/4) ... [2018-11-18 10:10:21,422 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 10:10:21,502 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_39d77018-f53d-4576-8012-92e132a99176/bin-2019/ukojak/witness.graphml [2018-11-18 10:10:21,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:10:21,503 INFO L168 Benchmark]: Toolchain (without parser) took 21617.58 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 473.4 MB). Free memory was 963.0 MB in the beginning and 1.2 GB in the end (delta: -197.8 MB). Peak memory consumption was 275.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:21,504 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:10:21,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.14 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 936.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:21,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:21,505 INFO L168 Benchmark]: Boogie Preprocessor took 23.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:21,505 INFO L168 Benchmark]: RCFGBuilder took 895.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:21,505 INFO L168 Benchmark]: CodeCheck took 20249.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 332.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -170.5 MB). Peak memory consumption was 162.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:21,505 INFO L168 Benchmark]: Witness Printer took 84.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:21,507 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, 221 locations, 1 error locations. UNSAFE Result, 20.1s OverallTime, 98 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 136715008 SDtfs, 1898607216 SDslu, 2125901600 SDs, 0 SdLazy, 931320324 SolverSat, 317624104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25827 GetRequests, 25297 SyntacticMatches, 178 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53527 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2456 NumberOfCodeBlocks, 2456 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 2326 ConstructedInterpolants, 0 QuantifiedInterpolants, 135925 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 97 InterpolantComputations, 97 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 [L325] CALL _BLAST_init() [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] RET customIrp = 0 [L325] _BLAST_init() [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 FALSE !(irp_choice == 0) [L341] CALL stub_driver_init() [L46] s = NP [L47] pended = 0 [L48] compFptr = 0 [L49] compRegistered = 0 [L50] lowerDriverReturn = 0 [L51] setEventCalled = 0 [L52] RET customIrp = 0 [L341] stub_driver_init() [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 [L387] CALL, EXPR KbFilter_PnP(devobj, pirp) [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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, NP=1, pended=0, returnVal2=259, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=0, 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=0, NP=1, pended=0, returnVal2=259, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=0, 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=0, NP=1, pended=0, returnVal2=259, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=0, 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=0, NP=1, pended=0, returnVal2=259, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=0, UNLOADED=0] [L550] RET return (returnVal2); [L246] 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=0, 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=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L289] RET return (status); [L387] EXPR KbFilter_PnP(devobj, pirp) [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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.14 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 936.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 895.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. * CodeCheck took 20249.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 332.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -170.5 MB). Peak memory consumption was 162.4 MB. Max. memory is 11.5 GB. * Witness Printer took 84.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...