./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/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_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/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 0.1.23-1dbac8b [2018-10-26 20:52:45,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:52:45,129 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:52:45,142 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:52:45,143 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:52:45,144 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:52:45,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:52:45,149 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:52:45,152 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:52:45,155 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:52:45,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:52:45,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:52:45,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:52:45,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:52:45,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:52:45,170 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:52:45,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:52:45,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:52:45,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:52:45,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:52:45,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:52:45,183 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:52:45,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:52:45,188 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:52:45,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:52:45,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:52:45,191 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:52:45,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:52:45,192 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:52:45,193 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:52:45,193 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:52:45,196 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:52:45,197 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:52:45,198 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:52:45,199 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:52:45,199 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:52:45,199 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:52:45,219 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:52:45,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:52:45,221 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:52:45,221 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:52:45,222 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:52:45,223 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:52:45,224 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:52:45,224 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:52:45,224 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:52:45,224 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:52:45,224 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:52:45,225 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:52:45,225 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:52:45,225 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:52:45,225 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:52:45,225 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:52:45,225 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:52:45,226 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:52:45,226 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:52:45,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:52:45,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:52:45,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:52:45,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:52:45,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:52:45,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:52:45,227 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:52:45,227 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:52:45,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:52:45,228 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_8351b2f9-4c17-4c61-b3d4-362ab7c19312/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 [2018-10-26 20:52:45,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:52:45,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:52:45,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:52:45,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:52:45,277 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:52:45,279 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 20:52:45,343 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/data/94fcdac59/f8e35eb00e7c433ca0efbfa44a076573/FLAGae4a795be [2018-10-26 20:52:45,775 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:52:45,775 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 20:52:45,789 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/data/94fcdac59/f8e35eb00e7c433ca0efbfa44a076573/FLAGae4a795be [2018-10-26 20:52:45,819 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/data/94fcdac59/f8e35eb00e7c433ca0efbfa44a076573 [2018-10-26 20:52:45,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:52:45,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:52:45,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:45,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:52:45,837 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:52:45,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:45" (1/1) ... [2018-10-26 20:52:45,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6b53e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:45, skipping insertion in model container [2018-10-26 20:52:45,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:45" (1/1) ... [2018-10-26 20:52:45,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:52:45,913 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:52:46,150 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:46,154 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:52:46,250 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:46,278 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:52:46,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46 WrapperNode [2018-10-26 20:52:46,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:46,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:52:46,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:52:46,280 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:52:46,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:52:46,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:52:46,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:52:46,367 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:52:46,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... [2018-10-26 20:52:46,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:52:46,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:52:46,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:52:46,496 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:52:46,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/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 [2018-10-26 20:52:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2018-10-26 20:52:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2018-10-26 20:52:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-10-26 20:52:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-10-26 20:52:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-10-26 20:52:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-10-26 20:52:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-10-26 20:52:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-10-26 20:52:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2018-10-26 20:52:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2018-10-26 20:52:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-10-26 20:52:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-10-26 20:52:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:52:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:52:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2018-10-26 20:52:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2018-10-26 20:52:47,021 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:52:47,022 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:52:47,026 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:52:47,026 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:52:47,036 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:52:47,036 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:52:47,041 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:52:47,041 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:52:47,043 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:52:47,044 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:52:48,290 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:52:48,290 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:52:50,028 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:52:50,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:50 BoogieIcfgContainer [2018-10-26 20:52:50,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:52:50,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:52:50,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:52:50,042 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:52:50,043 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:50" (1/1) ... [2018-10-26 20:52:50,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:52:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 149 states and 235 transitions. [2018-10-26 20:52:50,105 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 235 transitions. [2018-10-26 20:52:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 20:52:50,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:50,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 148 states and 219 transitions. [2018-10-26 20:52:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 219 transitions. [2018-10-26 20:52:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 20:52:50,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 149 states and 220 transitions. [2018-10-26 20:52:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 220 transitions. [2018-10-26 20:52:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 20:52:50,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 218 transitions. [2018-10-26 20:52:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2018-10-26 20:52:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 20:52:50,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 147 states and 216 transitions. [2018-10-26 20:52:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2018-10-26 20:52:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:52:51,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 154 states and 226 transitions. [2018-10-26 20:52:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 226 transitions. [2018-10-26 20:52:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:52:51,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 155 states and 227 transitions. [2018-10-26 20:52:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 227 transitions. [2018-10-26 20:52:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:52:51,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 153 states and 224 transitions. [2018-10-26 20:52:51,303 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 224 transitions. [2018-10-26 20:52:51,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:52:51,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 152 states and 222 transitions. [2018-10-26 20:52:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2018-10-26 20:52:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:52:51,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 220 transitions. [2018-10-26 20:52:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2018-10-26 20:52:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:52:51,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 150 states and 218 transitions. [2018-10-26 20:52:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 218 transitions. [2018-10-26 20:52:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 20:52:51,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 218 transitions. [2018-10-26 20:52:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2018-10-26 20:52:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 20:52:51,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 144 states and 208 transitions. [2018-10-26 20:52:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 208 transitions. [2018-10-26 20:52:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:52:51,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:52,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 221 transitions. [2018-10-26 20:52:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2018-10-26 20:52:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:52:52,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 221 transitions. [2018-10-26 20:52:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2018-10-26 20:52:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:52:52,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 149 states and 220 transitions. [2018-10-26 20:52:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 220 transitions. [2018-10-26 20:52:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:52:52,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 149 states and 219 transitions. [2018-10-26 20:52:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2018-10-26 20:52:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:52:52,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 150 states and 226 transitions. [2018-10-26 20:52:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 226 transitions. [2018-10-26 20:52:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:52:52,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 150 states and 225 transitions. [2018-10-26 20:52:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2018-10-26 20:52:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:52:52,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 153 states and 228 transitions. [2018-10-26 20:52:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2018-10-26 20:52:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:52:53,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 153 states and 227 transitions. [2018-10-26 20:52:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2018-10-26 20:52:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:52:53,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 158 states and 237 transitions. [2018-10-26 20:52:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2018-10-26 20:52:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:52:53,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 158 states and 236 transitions. [2018-10-26 20:52:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2018-10-26 20:52:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:52:54,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:54,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:54,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 159 states and 236 transitions. [2018-10-26 20:52:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2018-10-26 20:52:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:52:54,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 159 states and 234 transitions. [2018-10-26 20:52:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2018-10-26 20:52:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:52:54,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 145 states and 211 transitions. [2018-10-26 20:52:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 211 transitions. [2018-10-26 20:52:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:52:54,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 152 states and 228 transitions. [2018-10-26 20:52:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 228 transitions. [2018-10-26 20:52:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:52:54,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 159 states and 242 transitions. [2018-10-26 20:52:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 242 transitions. [2018-10-26 20:52:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:52:54,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 161 states and 248 transitions. [2018-10-26 20:52:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 248 transitions. [2018-10-26 20:52:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:52:55,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 252 transitions. [2018-10-26 20:52:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 252 transitions. [2018-10-26 20:52:55,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:52:55,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 172 states and 270 transitions. [2018-10-26 20:52:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 270 transitions. [2018-10-26 20:52:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:52:55,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 174 states and 272 transitions. [2018-10-26 20:52:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 272 transitions. [2018-10-26 20:52:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:52:55,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 175 states and 273 transitions. [2018-10-26 20:52:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2018-10-26 20:52:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:52:55,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 176 states and 273 transitions. [2018-10-26 20:52:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 273 transitions. [2018-10-26 20:52:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:52:55,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 176 states and 272 transitions. [2018-10-26 20:52:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2018-10-26 20:52:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:52:56,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 176 states and 270 transitions. [2018-10-26 20:52:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 270 transitions. [2018-10-26 20:52:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:52:56,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:56,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:56,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 176 states and 268 transitions. [2018-10-26 20:52:56,440 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 268 transitions. [2018-10-26 20:52:56,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:52:56,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 178 states and 272 transitions. [2018-10-26 20:52:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions. [2018-10-26 20:52:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:52:56,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 179 states and 272 transitions. [2018-10-26 20:52:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 272 transitions. [2018-10-26 20:52:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:52:57,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 179 states and 268 transitions. [2018-10-26 20:52:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 268 transitions. [2018-10-26 20:52:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:52:57,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 179 states and 267 transitions. [2018-10-26 20:52:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2018-10-26 20:52:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:52:57,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 177 states and 263 transitions. [2018-10-26 20:52:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2018-10-26 20:52:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:52:58,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 170 states and 252 transitions. [2018-10-26 20:52:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 252 transitions. [2018-10-26 20:52:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:52:58,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:58,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 170 states and 251 transitions. [2018-10-26 20:52:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 251 transitions. [2018-10-26 20:52:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:52:58,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 170 states and 250 transitions. [2018-10-26 20:52:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 250 transitions. [2018-10-26 20:52:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:52:58,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 170 states and 248 transitions. [2018-10-26 20:52:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 248 transitions. [2018-10-26 20:52:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:52:58,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:58,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:59,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 172 states and 260 transitions. [2018-10-26 20:52:59,182 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2018-10-26 20:52:59,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:52:59,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 165 states and 250 transitions. [2018-10-26 20:52:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2018-10-26 20:52:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:52:59,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 253 transitions. [2018-10-26 20:53:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 253 transitions. [2018-10-26 20:53:00,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:53:00,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 168 states and 254 transitions. [2018-10-26 20:53:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2018-10-26 20:53:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:53:00,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 173 states and 264 transitions. [2018-10-26 20:53:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 264 transitions. [2018-10-26 20:53:01,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:53:01,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 173 states and 262 transitions. [2018-10-26 20:53:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 262 transitions. [2018-10-26 20:53:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:53:01,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 176 states and 267 transitions. [2018-10-26 20:53:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 267 transitions. [2018-10-26 20:53:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:53:01,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 182 states and 276 transitions. [2018-10-26 20:53:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 276 transitions. [2018-10-26 20:53:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 20:53:02,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 182 states and 275 transitions. [2018-10-26 20:53:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 275 transitions. [2018-10-26 20:53:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:53:02,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 183 states and 275 transitions. [2018-10-26 20:53:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 275 transitions. [2018-10-26 20:53:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:53:02,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:03,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 191 states and 295 transitions. [2018-10-26 20:53:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 295 transitions. [2018-10-26 20:53:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:53:03,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 191 states and 294 transitions. [2018-10-26 20:53:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 294 transitions. [2018-10-26 20:53:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:53:03,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:03,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 192 states and 295 transitions. [2018-10-26 20:53:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2018-10-26 20:53:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:53:03,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 200 states and 314 transitions. [2018-10-26 20:53:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 314 transitions. [2018-10-26 20:53:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:53:04,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 201 states and 315 transitions. [2018-10-26 20:53:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 315 transitions. [2018-10-26 20:53:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:04,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:04,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 201 states and 314 transitions. [2018-10-26 20:53:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2018-10-26 20:53:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:53:04,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 208 states and 333 transitions. [2018-10-26 20:53:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 333 transitions. [2018-10-26 20:53:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:53:06,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 217 states and 355 transitions. [2018-10-26 20:53:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 355 transitions. [2018-10-26 20:53:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:53:07,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 218 states and 356 transitions. [2018-10-26 20:53:07,765 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 356 transitions. [2018-10-26 20:53:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:53:07,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 222 states and 367 transitions. [2018-10-26 20:53:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 367 transitions. [2018-10-26 20:53:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:53:08,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 213 states and 350 transitions. [2018-10-26 20:53:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 350 transitions. [2018-10-26 20:53:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:53:09,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 217 states and 356 transitions. [2018-10-26 20:53:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2018-10-26 20:53:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 20:53:09,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 218 states and 357 transitions. [2018-10-26 20:53:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 357 transitions. [2018-10-26 20:53:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:53:09,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 216 states and 353 transitions. [2018-10-26 20:53:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 353 transitions. [2018-10-26 20:53:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 20:53:09,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:11,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 221 states and 375 transitions. [2018-10-26 20:53:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 375 transitions. [2018-10-26 20:53:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:53:11,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 221 states and 374 transitions. [2018-10-26 20:53:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 374 transitions. [2018-10-26 20:53:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 20:53:11,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 221 states and 373 transitions. [2018-10-26 20:53:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 373 transitions. [2018-10-26 20:53:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:11,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:11,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 222 states and 373 transitions. [2018-10-26 20:53:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 373 transitions. [2018-10-26 20:53:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:53:11,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 222 states and 372 transitions. [2018-10-26 20:53:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 372 transitions. [2018-10-26 20:53:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 20:53:11,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 222 states and 371 transitions. [2018-10-26 20:53:11,440 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 371 transitions. [2018-10-26 20:53:11,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:11,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 224 states and 374 transitions. [2018-10-26 20:53:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 374 transitions. [2018-10-26 20:53:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:53:11,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 224 states and 372 transitions. [2018-10-26 20:53:12,920 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 372 transitions. [2018-10-26 20:53:12,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:53:12,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:14,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 229 states and 389 transitions. [2018-10-26 20:53:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 389 transitions. [2018-10-26 20:53:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:53:14,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 229 states and 388 transitions. [2018-10-26 20:53:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 388 transitions. [2018-10-26 20:53:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:14,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 230 states and 391 transitions. [2018-10-26 20:53:15,115 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 391 transitions. [2018-10-26 20:53:15,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 20:53:15,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 230 states and 389 transitions. [2018-10-26 20:53:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 389 transitions. [2018-10-26 20:53:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:15,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:17,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 233 states and 401 transitions. [2018-10-26 20:53:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 401 transitions. [2018-10-26 20:53:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:17,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:19,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 234 states and 404 transitions. [2018-10-26 20:53:19,376 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 404 transitions. [2018-10-26 20:53:19,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:19,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 234 states and 402 transitions. [2018-10-26 20:53:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 402 transitions. [2018-10-26 20:53:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:53:19,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 234 states and 400 transitions. [2018-10-26 20:53:19,630 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 400 transitions. [2018-10-26 20:53:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:53:19,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 208 states and 354 transitions. [2018-10-26 20:53:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 354 transitions. [2018-10-26 20:53:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:53:19,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 209 states and 357 transitions. [2018-10-26 20:53:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 357 transitions. [2018-10-26 20:53:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:53:21,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 209 states and 356 transitions. [2018-10-26 20:53:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 356 transitions. [2018-10-26 20:53:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:53:21,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:24,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 213 states and 368 transitions. [2018-10-26 20:53:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 368 transitions. [2018-10-26 20:53:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:53:24,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 213 states and 367 transitions. [2018-10-26 20:53:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 367 transitions. [2018-10-26 20:53:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:53:24,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 213 states and 366 transitions. [2018-10-26 20:53:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 366 transitions. [2018-10-26 20:53:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:53:25,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:26,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 217 states and 387 transitions. [2018-10-26 20:53:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 387 transitions. [2018-10-26 20:53:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:53:28,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 218 states and 390 transitions. [2018-10-26 20:53:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 390 transitions. [2018-10-26 20:53:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 20:53:28,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 218 states and 388 transitions. [2018-10-26 20:53:29,121 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 388 transitions. [2018-10-26 20:53:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:53:29,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 218 states and 387 transitions. [2018-10-26 20:53:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 387 transitions. [2018-10-26 20:53:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:53:29,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 219 states and 393 transitions. [2018-10-26 20:53:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 393 transitions. [2018-10-26 20:53:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 20:53:30,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 219 states and 391 transitions. [2018-10-26 20:53:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 391 transitions. [2018-10-26 20:53:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 20:53:30,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 222 states and 402 transitions. [2018-10-26 20:53:33,553 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 402 transitions. [2018-10-26 20:53:33,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 20:53:33,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 225 states and 409 transitions. [2018-10-26 20:53:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 409 transitions. [2018-10-26 20:53:34,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 20:53:34,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:34,252 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 100 iterations. [2018-10-26 20:53:34,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:53:34 ImpRootNode [2018-10-26 20:53:34,341 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:53:34,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:53:34,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:53:34,341 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:53:34,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:50" (3/4) ... [2018-10-26 20:53:34,346 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:53:34,529 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8351b2f9-4c17-4c61-b3d4-362ab7c19312/bin-2019/ukojak/witness.graphml [2018-10-26 20:53:34,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:53:34,531 INFO L168 Benchmark]: Toolchain (without parser) took 48698.81 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 489.7 MB). Free memory was 955.8 MB in the beginning and 908.0 MB in the end (delta: 47.8 MB). Peak memory consumption was 537.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:34,532 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:53:34,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.99 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 934.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:34,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.45 ms. Allocated memory is still 1.0 GB. Free memory was 934.3 MB in the beginning and 927.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:34,533 INFO L168 Benchmark]: Boogie Preprocessor took 129.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 927.6 MB in the beginning and 1.2 GB in the end (delta: -225.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:34,535 INFO L168 Benchmark]: RCFGBuilder took 3533.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 134.5 MB). Peak memory consumption was 134.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:34,536 INFO L168 Benchmark]: CodeCheck took 44310.96 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 329.8 MB). Free memory was 1.0 GB in the beginning and 920.8 MB in the end (delta: 97.9 MB). Peak memory consumption was 427.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:34,536 INFO L168 Benchmark]: Witness Printer took 188.85 ms. Allocated memory is still 1.5 GB. Free memory was 920.8 MB in the beginning and 908.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:34,539 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, 44.1s OverallTime, 100 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1881135616 SDtfs, -1569397456 SDslu, -1755496148 SDs, 0 SdLazy, -581839840 SolverSat, -874504664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 127.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26691 GetRequests, 26126 SyntacticMatches, 203 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58049 ImplicationChecksByTransitivity, 37.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 2522 NumberOfCodeBlocks, 2522 NumberOfCodeBlocksAsserted, 100 NumberOfCheckSat, 2390 ConstructedInterpolants, 0 QuantifiedInterpolants, 142683 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 99 InterpolantComputations, 99 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 445.99 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 934.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.45 ms. Allocated memory is still 1.0 GB. Free memory was 934.3 MB in the beginning and 927.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 927.6 MB in the beginning and 1.2 GB in the end (delta: -225.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3533.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 134.5 MB). Peak memory consumption was 134.5 MB. Max. memory is 11.5 GB. * CodeCheck took 44310.96 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 329.8 MB). Free memory was 1.0 GB in the beginning and 920.8 MB in the end (delta: 97.9 MB). Peak memory consumption was 427.6 MB. Max. memory is 11.5 GB. * Witness Printer took 188.85 ms. Allocated memory is still 1.5 GB. Free memory was 920.8 MB in the beginning and 908.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...