./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3a274b64e7ba6d81948d0b8c45cbd715251888 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3a274b64e7ba6d81948d0b8c45cbd715251888 ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: Indexed Sort BitVec undefined --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:43:43,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:43:43,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:43:43,215 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:43:43,215 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:43:43,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:43:43,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:43:43,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:43:43,217 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:43:43,218 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:43:43,218 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:43:43,218 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:43:43,219 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:43:43,219 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:43:43,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:43:43,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:43:43,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:43:43,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:43:43,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:43:43,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:43:43,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:43:43,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:43:43,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:43:43,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:43:43,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:43:43,225 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:43:43,226 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:43:43,226 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:43:43,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:43:43,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:43:43,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:43:43,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:43:43,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:43:43,228 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:43:43,228 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:43:43,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:43:43,229 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 01:43:43,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:43:43,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:43:43,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 01:43:43,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 01:43:43,237 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:43:43,238 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 01:43:43,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 01:43:43,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:43:43,238 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:43:43,239 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 01:43:43,239 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:43:43,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_079a4e16-62ca-49f0-b39b-daccb111edfd/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 5a3a274b64e7ba6d81948d0b8c45cbd715251888 [2018-12-02 01:43:43,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:43:43,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:43:43,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:43:43,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:43:43,270 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:43:43,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-02 01:43:43,309 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/5a9fe5cb1/3e3f3a9ae04c4c989480bc094eece9cd/FLAGa8602acee [2018-12-02 01:43:43,781 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:43:43,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-02 01:43:43,790 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/5a9fe5cb1/3e3f3a9ae04c4c989480bc094eece9cd/FLAGa8602acee [2018-12-02 01:43:43,801 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/5a9fe5cb1/3e3f3a9ae04c4c989480bc094eece9cd [2018-12-02 01:43:43,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:43:43,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:43:43,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:43:43,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:43:43,806 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:43:43,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:43:43" (1/1) ... [2018-12-02 01:43:43,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201b218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:43, skipping insertion in model container [2018-12-02 01:43:43,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:43:43" (1/1) ... [2018-12-02 01:43:43,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:43:43,832 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:43:43,979 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:43:44,020 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:43:44,053 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:43:44,074 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:43:44,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44 WrapperNode [2018-12-02 01:43:44,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:43:44,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:43:44,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:43:44,075 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:43:44,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:43:44,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:43:44,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:43:44,101 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:43:44,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:43:44,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:43:44,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:43:44,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:43:44,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 01:43:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:43:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 01:43:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 01:43:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 01:43:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 01:43:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 01:43:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:43:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:43:44,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:43:44,433 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 01:43:44,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:43:44 BoogieIcfgContainer [2018-12-02 01:43:44,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:43:44,434 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 01:43:44,434 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 01:43:44,440 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 01:43:44,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:43:44" (1/1) ... [2018-12-02 01:43:44,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:43:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2018-12-02 01:43:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2018-12-02 01:43:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 01:43:44,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2018-12-02 01:43:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2018-12-02 01:43:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 01:43:44,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2018-12-02 01:43:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2018-12-02 01:43:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 01:43:44,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2018-12-02 01:43:44,674 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2018-12-02 01:43:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 01:43:44,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2018-12-02 01:43:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2018-12-02 01:43:44,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 01:43:44,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 87 transitions. [2018-12-02 01:43:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2018-12-02 01:43:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 01:43:44,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2018-12-02 01:43:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-12-02 01:43:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 01:43:44,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2018-12-02 01:43:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2018-12-02 01:43:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 01:43:44,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2018-12-02 01:43:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2018-12-02 01:43:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:43:45,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2018-12-02 01:43:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2018-12-02 01:43:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:43:45,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 87 states and 109 transitions. [2018-12-02 01:43:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 109 transitions. [2018-12-02 01:43:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:43:45,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2018-12-02 01:43:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2018-12-02 01:43:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:43:45,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:45,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 85 states and 107 transitions. [2018-12-02 01:43:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2018-12-02 01:43:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:43:45,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2018-12-02 01:43:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2018-12-02 01:43:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:43:45,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2018-12-02 01:43:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2018-12-02 01:43:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:43:46,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2018-12-02 01:43:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2018-12-02 01:43:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:43:46,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 87 states and 111 transitions. [2018-12-02 01:43:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2018-12-02 01:43:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:43:46,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 94 transitions. [2018-12-02 01:43:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-02 01:43:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:43:46,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 93 transitions. [2018-12-02 01:43:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2018-12-02 01:43:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 01:43:46,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 76 states and 95 transitions. [2018-12-02 01:43:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2018-12-02 01:43:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 01:43:46,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 77 states and 96 transitions. [2018-12-02 01:43:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2018-12-02 01:43:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 01:43:46,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 76 states and 95 transitions. [2018-12-02 01:43:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2018-12-02 01:43:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 01:43:46,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 79 states and 100 transitions. [2018-12-02 01:43:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2018-12-02 01:43:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 01:43:46,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 76 states and 96 transitions. [2018-12-02 01:43:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2018-12-02 01:43:46,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 01:43:46,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 73 states and 93 transitions. [2018-12-02 01:43:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2018-12-02 01:43:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 01:43:46,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 75 states and 96 transitions. [2018-12-02 01:43:46,610 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2018-12-02 01:43:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 01:43:46,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2018-12-02 01:43:46,724 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2018-12-02 01:43:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 01:43:46,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 76 states and 99 transitions. [2018-12-02 01:43:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2018-12-02 01:43:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 01:43:46,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2018-12-02 01:43:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2018-12-02 01:43:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 01:43:46,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 83 states and 110 transitions. [2018-12-02 01:43:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2018-12-02 01:43:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:43:47,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 82 states and 109 transitions. [2018-12-02 01:43:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2018-12-02 01:43:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:43:47,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 83 states and 110 transitions. [2018-12-02 01:43:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2018-12-02 01:43:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:43:47,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 82 states and 109 transitions. [2018-12-02 01:43:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2018-12-02 01:43:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:43:47,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 84 states and 113 transitions. [2018-12-02 01:43:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2018-12-02 01:43:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:43:47,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:47,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2018-12-02 01:43:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2018-12-02 01:43:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:43:47,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 84 states and 115 transitions. [2018-12-02 01:43:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2018-12-02 01:43:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 01:43:47,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2018-12-02 01:43:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2018-12-02 01:43:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 01:43:48,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 96 states and 137 transitions. [2018-12-02 01:43:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2018-12-02 01:43:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 01:43:50,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 147 transitions. [2018-12-02 01:43:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2018-12-02 01:43:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 01:43:51,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 111 states and 162 transitions. [2018-12-02 01:43:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2018-12-02 01:43:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 01:43:54,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 117 states and 175 transitions. [2018-12-02 01:43:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 175 transitions. [2018-12-02 01:43:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 01:43:56,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 125 states and 192 transitions. [2018-12-02 01:43:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 192 transitions. [2018-12-02 01:43:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 01:43:58,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 128 states and 198 transitions. [2018-12-02 01:43:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2018-12-02 01:43:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 01:43:59,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:43:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:43:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:43:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 131 states and 205 transitions. [2018-12-02 01:43:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2018-12-02 01:43:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 01:43:59,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:43:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 142 states and 230 transitions. [2018-12-02 01:44:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 230 transitions. [2018-12-02 01:44:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:44:04,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 143 states and 231 transitions. [2018-12-02 01:44:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 231 transitions. [2018-12-02 01:44:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:44:04,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 238 transitions. [2018-12-02 01:44:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2018-12-02 01:44:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:44:04,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 01:44:06,876 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-12-02 01:44:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 148 states and 246 transitions. [2018-12-02 01:44:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 246 transitions. [2018-12-02 01:44:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:44:10,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 156 states and 262 transitions. [2018-12-02 01:44:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2018-12-02 01:44:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:19,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:21,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 159 states and 269 transitions. [2018-12-02 01:44:21,745 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 269 transitions. [2018-12-02 01:44:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:21,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 162 states and 277 transitions. [2018-12-02 01:44:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 277 transitions. [2018-12-02 01:44:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:23,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 164 states and 283 transitions. [2018-12-02 01:44:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 283 transitions. [2018-12-02 01:44:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:24,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:31,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 174 states and 307 transitions. [2018-12-02 01:44:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 307 transitions. [2018-12-02 01:44:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:31,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:42,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 184 states and 332 transitions. [2018-12-02 01:44:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 332 transitions. [2018-12-02 01:44:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:42,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 189 states and 344 transitions. [2018-12-02 01:44:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 344 transitions. [2018-12-02 01:44:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:45,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 195 states and 354 transitions. [2018-12-02 01:44:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 354 transitions. [2018-12-02 01:44:47,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:47,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 201 states and 364 transitions. [2018-12-02 01:44:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 364 transitions. [2018-12-02 01:44:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 01:44:51,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:44:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 207 states and 372 transitions. [2018-12-02 01:44:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 372 transitions. [2018-12-02 01:44:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 01:44:53,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:44:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 216 states and 395 transitions. [2018-12-02 01:45:04,866 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 395 transitions. [2018-12-02 01:45:04,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 01:45:04,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 218 states and 401 transitions. [2018-12-02 01:45:06,669 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 401 transitions. [2018-12-02 01:45:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 01:45:06,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:10,005 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-02 01:45:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 223 states and 413 transitions. [2018-12-02 01:45:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 413 transitions. [2018-12-02 01:45:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 01:45:12,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 220 states and 406 transitions. [2018-12-02 01:45:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 406 transitions. [2018-12-02 01:45:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 01:45:12,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 230 states and 426 transitions. [2018-12-02 01:45:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 426 transitions. [2018-12-02 01:45:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:28,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 241 states and 450 transitions. [2018-12-02 01:45:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 450 transitions. [2018-12-02 01:45:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:36,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 247 states and 469 transitions. [2018-12-02 01:45:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 469 transitions. [2018-12-02 01:45:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:40,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 252 states and 487 transitions. [2018-12-02 01:45:43,275 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 487 transitions. [2018-12-02 01:45:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:43,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 254 states and 493 transitions. [2018-12-02 01:45:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 493 transitions. [2018-12-02 01:45:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:44,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 260 states and 512 transitions. [2018-12-02 01:45:51,308 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 512 transitions. [2018-12-02 01:45:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:51,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 262 states and 521 transitions. [2018-12-02 01:45:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 521 transitions. [2018-12-02 01:45:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:52,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 265 states and 529 transitions. [2018-12-02 01:45:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 529 transitions. [2018-12-02 01:45:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:55,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:45:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:45:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 267 states and 533 transitions. [2018-12-02 01:45:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 533 transitions. [2018-12-02 01:45:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:45:57,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:45:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:45:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 270 states and 539 transitions. [2018-12-02 01:46:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 539 transitions. [2018-12-02 01:46:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:01,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 273 states and 546 transitions. [2018-12-02 01:46:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 546 transitions. [2018-12-02 01:46:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:03,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 274 states and 550 transitions. [2018-12-02 01:46:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 550 transitions. [2018-12-02 01:46:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:04,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 275 states and 552 transitions. [2018-12-02 01:46:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 552 transitions. [2018-12-02 01:46:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:05,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:06,728 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-02 01:46:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 276 states and 554 transitions. [2018-12-02 01:46:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 554 transitions. [2018-12-02 01:46:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:08,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 277 states and 556 transitions. [2018-12-02 01:46:09,596 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 556 transitions. [2018-12-02 01:46:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:09,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:46:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 284 states and 578 transitions. [2018-12-02 01:46:23,374 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 578 transitions. [2018-12-02 01:46:23,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:23,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:46:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 291 states and 592 transitions. [2018-12-02 01:46:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 592 transitions. [2018-12-02 01:46:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:27,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:46:29,913 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-02 01:46:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 299 states and 610 transitions. [2018-12-02 01:46:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 610 transitions. [2018-12-02 01:46:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:37,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 01:46:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 291 states and 595 transitions. [2018-12-02 01:46:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 595 transitions. [2018-12-02 01:46:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:44,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:50,166 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-12-02 01:46:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 295 states and 600 transitions. [2018-12-02 01:46:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 600 transitions. [2018-12-02 01:46:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:46:51,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 287 states and 582 transitions. [2018-12-02 01:46:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 582 transitions. [2018-12-02 01:46:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:46:56,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:46:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:46:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 288 states and 583 transitions. [2018-12-02 01:46:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 583 transitions. [2018-12-02 01:46:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:46:57,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:46:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:46:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:47:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:47:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 298 states and 601 transitions. [2018-12-02 01:47:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 601 transitions. [2018-12-02 01:47:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:47:13,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:47:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:47:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:47:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:47:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 300 states and 607 transitions. [2018-12-02 01:47:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 607 transitions. [2018-12-02 01:47:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:47:16,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:47:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:47:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:47:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:47:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 302 states and 613 transitions. [2018-12-02 01:47:19,476 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 613 transitions. [2018-12-02 01:47:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:47:19,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:47:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:47:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:47:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:47:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 312 states and 637 transitions. [2018-12-02 01:47:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 637 transitions. [2018-12-02 01:47:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:47:46,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:47:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:47:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 01:47:51,055 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 01:47:54,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:47:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 315 states and 644 transitions. [2018-12-02 01:47:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 644 transitions. [2018-12-02 01:47:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:47:54,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:47:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:47:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 01:47:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:47:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 317 states and 650 transitions. [2018-12-02 01:47:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 650 transitions. [2018-12-02 01:47:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:47:55,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:47:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:47:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 01:47:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:47:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 319 states and 655 transitions. [2018-12-02 01:47:57,598 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 655 transitions. [2018-12-02 01:47:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:47:57,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:47:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:47:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 01:48:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:48:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 327 states and 670 transitions. [2018-12-02 01:48:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 670 transitions. [2018-12-02 01:48:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 01:48:06,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:48:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 01:48:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:48:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 326 states and 669 transitions. [2018-12-02 01:48:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 669 transitions. [2018-12-02 01:48:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 01:48:06,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:48:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:13,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:48:13,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 331 states and 684 transitions. [2018-12-02 01:48:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 684 transitions. [2018-12-02 01:48:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 01:48:13,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:48:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:48:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:48:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:48:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:48:13,253 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 94 iterations. [2018-12-02 01:48:13,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:48:13 ImpRootNode [2018-12-02 01:48:13,282 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 01:48:13,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:48:13,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:48:13,282 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:48:13,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:43:44" (3/4) ... [2018-12-02 01:48:13,285 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 01:48:13,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:48:13,286 INFO L168 Benchmark]: Toolchain (without parser) took 269482.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.6 MB in the beginning and 881.4 MB in the end (delta: 69.2 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:13,287 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:13,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:13,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:13,288 INFO L168 Benchmark]: Boogie Preprocessor took 17.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:13,288 INFO L168 Benchmark]: RCFGBuilder took 315.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:13,289 INFO L168 Benchmark]: CodeCheck took 268848.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 24.1 MB). Free memory was 1.1 GB in the beginning and 881.4 MB in the end (delta: 174.1 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:13,289 INFO L168 Benchmark]: Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 881.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:13,291 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 1 procedures, 94 locations, 43 error locations. UNSAFE Result, 268.8s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458752 SDtfs, -898286760 SDslu, -971674400 SDs, 0 SdLazy, -1451951702 SolverSat, -124252634 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 100.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13586 GetRequests, 11972 SyntacticMatches, 546 SemanticMatches, 1068 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614180 ImplicationChecksByTransitivity, 263.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 1443 NumberOfCodeBlocks, 1443 NumberOfCodeBlocksAsserted, 94 NumberOfCheckSat, 1326 ConstructedInterpolants, 0 QuantifiedInterpolants, 137236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 74 PerfectInterpolantSequences, 48/99 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 - UnprovableResult [Line: 985]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 985. Possible FailurePath: [L988] SLL* head = malloc(sizeof(SLL)); [L989] head->next = ((void*)0) [L990] head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] x->next [L1015] COND FALSE !(x->next) [L1022] EXPR x->next [L1022] SLL* y = x->next; [L1023] x->next = malloc(sizeof(SLL)) [L1024] x->data = 1 [L1025] x->next = y [L1029] x = head [L1032] EXPR x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR x->next [L1038] x = x->next [L1039] COND FALSE !(\read(*x)) [L1047] x = head [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] EXPR x->next [L1051] x = x->next [L1052] free(head) [L1052] free(head) [L1048] COND FALSE !(x != ((void*)0)) [L1055] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 315.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * CodeCheck took 268848.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 24.1 MB). Free memory was 1.1 GB in the beginning and 881.4 MB in the end (delta: 174.1 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 881.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:48:14,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:48:14,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:48:14,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:48:14,539 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:48:14,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:48:14,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:48:14,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:48:14,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:48:14,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:48:14,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:48:14,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:48:14,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:48:14,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:48:14,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:48:14,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:48:14,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:48:14,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:48:14,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:48:14,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:48:14,550 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:48:14,551 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:48:14,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:48:14,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:48:14,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:48:14,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:48:14,554 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:48:14,554 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:48:14,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:48:14,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:48:14,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:48:14,555 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:48:14,556 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:48:14,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:48:14,556 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:48:14,556 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:48:14,556 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-02 01:48:14,565 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:48:14,566 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:48:14,567 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 01:48:14,567 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 01:48:14,567 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:48:14,567 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:48:14,567 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 01:48:14,567 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:48:14,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:48:14,568 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:48:14,568 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 01:48:14,568 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 01:48:14,568 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 01:48:14,568 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:48:14,568 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 01:48:14,568 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 01:48:14,569 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:48:14,569 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:48:14,569 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 01:48:14,569 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 01:48:14,569 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:48:14,569 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:48:14,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 01:48:14,570 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:48:14,570 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:48:14,570 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 01:48:14,570 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 01:48:14,570 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:48:14,570 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 01:48:14,570 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 5a3a274b64e7ba6d81948d0b8c45cbd715251888 [2018-12-02 01:48:14,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:48:14,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:48:14,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:48:14,608 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:48:14,609 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:48:14,609 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-02 01:48:14,650 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/0c2cd0cb7/221a02f0016d447cb75ccdfc483865fe/FLAG481e2ccdc [2018-12-02 01:48:14,993 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:48:14,993 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-02 01:48:14,999 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/0c2cd0cb7/221a02f0016d447cb75ccdfc483865fe/FLAG481e2ccdc [2018-12-02 01:48:15,379 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/data/0c2cd0cb7/221a02f0016d447cb75ccdfc483865fe [2018-12-02 01:48:15,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:48:15,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:48:15,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:48:15,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:48:15,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:48:15,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197102f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15, skipping insertion in model container [2018-12-02 01:48:15,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:48:15,413 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:48:15,562 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:48:15,569 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:48:15,595 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:48:15,665 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:48:15,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15 WrapperNode [2018-12-02 01:48:15,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:48:15,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:48:15,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:48:15,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:48:15,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:48:15,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:48:15,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:48:15,695 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:48:15,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... [2018-12-02 01:48:15,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:48:15,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:48:15,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:48:15,717 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:48:15,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_079a4e16-62ca-49f0-b39b-daccb111edfd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 01:48:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:48:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 01:48:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 01:48:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 01:48:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 01:48:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 01:48:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:48:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:48:16,203 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:48:16,203 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 01:48:16,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:16 BoogieIcfgContainer [2018-12-02 01:48:16,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:48:16,204 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 01:48:16,204 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 01:48:16,211 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 01:48:16,211 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:16" (1/1) ... [2018-12-02 01:48:16,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:48:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2018-12-02 01:48:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2018-12-02 01:48:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 01:48:16,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:48:16,277 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: Indexed Sort BitVec undefined at de.uni_freiburg.informatik.ultimate.logic.SortSymbol.checkArity(SortSymbol.java:153) at de.uni_freiburg.informatik.ultimate.logic.SortSymbol.getSort(SortSymbol.java:177) at de.uni_freiburg.informatik.ultimate.logic.Theory.getSort(Theory.java:1243) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:287) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.TermTransferrer.transferSort(TermTransferrer.java:128) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.TermTransferrer.convertApplicationTerm(TermTransferrer.java:162) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:320) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.SmtSymbols.transferSymbols(SmtSymbols.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:453) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 01:48:16,279 INFO L168 Benchmark]: Toolchain (without parser) took 897.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:16,281 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:16,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:16,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:16,282 INFO L168 Benchmark]: Boogie Preprocessor took 21.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:16,283 INFO L168 Benchmark]: RCFGBuilder took 486.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:16,283 INFO L168 Benchmark]: CodeCheck took 74.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:16,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: IllegalArgumentException: Indexed Sort BitVec undefined de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: Indexed Sort BitVec undefined: de.uni_freiburg.informatik.ultimate.logic.SortSymbol.checkArity(SortSymbol.java:153) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 486.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * CodeCheck took 74.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...