./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-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_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/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 a0270bdb02afc11bd88836e5502a475e981de345 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/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 a0270bdb02afc11bd88836e5502a475e981de345 ....................................................................................................................................................................................................................... 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 [2018-12-09 11:50:28,187 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:50:28,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:50:28,193 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:50:28,193 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:50:28,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:50:28,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:50:28,195 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:50:28,196 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:50:28,196 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:50:28,197 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:50:28,197 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:50:28,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:50:28,198 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:50:28,198 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:50:28,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:50:28,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:50:28,200 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:50:28,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:50:28,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:50:28,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:50:28,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:50:28,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:50:28,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:50:28,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:50:28,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:50:28,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:50:28,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:50:28,205 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:50:28,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:50:28,206 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:50:28,206 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:50:28,206 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:50:28,206 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:50:28,207 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:50:28,207 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:50:28,207 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 11:50:28,214 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:50:28,214 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:50:28,215 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:50:28,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:50:28,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:50:28,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:50:28,215 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:50:28,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:50:28,215 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:50:28,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:50:28,216 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:50:28,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:50:28,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:50:28,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:50:28,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:50:28,217 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:50:28,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:50:28,217 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_a11e841e-f91c-4faf-a20c-dd80b327b021/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 -> a0270bdb02afc11bd88836e5502a475e981de345 [2018-12-09 11:50:28,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:50:28,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:50:28,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:50:28,244 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:50:28,244 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:50:28,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-09 11:50:28,280 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/7856103b5/7bf022fcbdf34b98bf1ecc05c6a0d4a6/FLAG840c512ca [2018-12-09 11:50:28,697 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:50:28,697 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/sv-benchmarks/c/forester-heap/dll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-09 11:50:28,703 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/7856103b5/7bf022fcbdf34b98bf1ecc05c6a0d4a6/FLAG840c512ca [2018-12-09 11:50:28,711 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/7856103b5/7bf022fcbdf34b98bf1ecc05c6a0d4a6 [2018-12-09 11:50:28,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:50:28,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:50:28,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:50:28,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:50:28,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:50:28,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:50:28" (1/1) ... [2018-12-09 11:50:28,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628262cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:28, skipping insertion in model container [2018-12-09 11:50:28,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:50:28" (1/1) ... [2018-12-09 11:50:28,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:50:28,747 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:50:28,901 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:50:28,907 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:50:28,982 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:50:29,008 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:50:29,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29 WrapperNode [2018-12-09 11:50:29,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:50:29,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:50:29,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:50:29,009 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:50:29,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:50:29,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:50:29,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:50:29,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:50:29,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:50:29,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:50:29,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:50:29,058 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:50:29,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:50:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/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 [2018-12-09 11:50:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:50:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:50:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:50:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:50:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:50:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:50:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:50:29,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:50:29,418 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:50:29,418 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 11:50:29,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:50:29 BoogieIcfgContainer [2018-12-09 11:50:29,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:50:29,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:50:29,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:50:29,425 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:50:29,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:50:29" (1/1) ... [2018-12-09 11:50:29,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:50:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2018-12-09 11:50:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2018-12-09 11:50:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 11:50:29,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2018-12-09 11:50:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2018-12-09 11:50:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 11:50:29,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2018-12-09 11:50:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2018-12-09 11:50:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 11:50:29,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2018-12-09 11:50:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2018-12-09 11:50:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 11:50:29,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2018-12-09 11:50:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2018-12-09 11:50:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 11:50:29,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2018-12-09 11:50:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2018-12-09 11:50:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 11:50:29,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2018-12-09 11:50:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2018-12-09 11:50:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 11:50:29,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 96 states and 108 transitions. [2018-12-09 11:50:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 108 transitions. [2018-12-09 11:50:29,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 11:50:29,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 99 states and 113 transitions. [2018-12-09 11:50:29,926 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-12-09 11:50:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 11:50:29,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:29,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 98 states and 112 transitions. [2018-12-09 11:50:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2018-12-09 11:50:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 11:50:29,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:30,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 97 states and 111 transitions. [2018-12-09 11:50:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2018-12-09 11:50:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:50:30,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:30,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 96 states and 110 transitions. [2018-12-09 11:50:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-12-09 11:50:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:50:30,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2018-12-09 11:50:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-12-09 11:50:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:50:30,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2018-12-09 11:50:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2018-12-09 11:50:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:50:30,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 105 states and 128 transitions. [2018-12-09 11:50:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2018-12-09 11:50:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:50:30,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:30,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2018-12-09 11:50:30,692 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2018-12-09 11:50:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:50:30,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 109 states and 134 transitions. [2018-12-09 11:50:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2018-12-09 11:50:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:50:31,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 108 states and 133 transitions. [2018-12-09 11:50:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 133 transitions. [2018-12-09 11:50:31,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:50:31,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 107 states and 132 transitions. [2018-12-09 11:50:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2018-12-09 11:50:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:50:31,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 108 states and 134 transitions. [2018-12-09 11:50:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2018-12-09 11:50:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:50:31,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 109 states and 135 transitions. [2018-12-09 11:50:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2018-12-09 11:50:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:50:31,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 108 states and 134 transitions. [2018-12-09 11:50:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2018-12-09 11:50:31,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:50:31,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 107 states and 133 transitions. [2018-12-09 11:50:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2018-12-09 11:50:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:50:31,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 108 states and 135 transitions. [2018-12-09 11:50:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2018-12-09 11:50:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:50:31,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 109 states and 136 transitions. [2018-12-09 11:50:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 136 transitions. [2018-12-09 11:50:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:50:31,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 113 states and 143 transitions. [2018-12-09 11:50:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 143 transitions. [2018-12-09 11:50:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:50:33,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 115 states and 147 transitions. [2018-12-09 11:50:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2018-12-09 11:50:33,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:33,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 114 states and 146 transitions. [2018-12-09 11:50:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 146 transitions. [2018-12-09 11:50:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:33,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 117 states and 151 transitions. [2018-12-09 11:50:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2018-12-09 11:50:34,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:34,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 115 states and 148 transitions. [2018-12-09 11:50:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 148 transitions. [2018-12-09 11:50:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:34,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 113 states and 146 transitions. [2018-12-09 11:50:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2018-12-09 11:50:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:34,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 112 states and 145 transitions. [2018-12-09 11:50:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2018-12-09 11:50:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:34,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 111 states and 144 transitions. [2018-12-09 11:50:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 144 transitions. [2018-12-09 11:50:34,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:34,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 110 states and 143 transitions. [2018-12-09 11:50:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2018-12-09 11:50:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:50:34,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 145 transitions. [2018-12-09 11:50:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2018-12-09 11:50:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:50:34,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 113 states and 149 transitions. [2018-12-09 11:50:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 149 transitions. [2018-12-09 11:50:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:50:34,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 115 states and 154 transitions. [2018-12-09 11:50:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2018-12-09 11:50:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:50:34,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 114 states and 153 transitions. [2018-12-09 11:50:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 153 transitions. [2018-12-09 11:50:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:50:34,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 115 states and 154 transitions. [2018-12-09 11:50:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2018-12-09 11:50:34,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:50:34,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 121 states and 164 transitions. [2018-12-09 11:50:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2018-12-09 11:50:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 11:50:36,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 120 states and 163 transitions. [2018-12-09 11:50:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2018-12-09 11:50:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 11:50:36,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 121 states and 164 transitions. [2018-12-09 11:50:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2018-12-09 11:50:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:50:36,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 120 states and 163 transitions. [2018-12-09 11:50:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2018-12-09 11:50:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:50:36,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 122 states and 167 transitions. [2018-12-09 11:50:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 167 transitions. [2018-12-09 11:50:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:50:36,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 121 states and 166 transitions. [2018-12-09 11:50:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 166 transitions. [2018-12-09 11:50:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:50:36,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 122 states and 169 transitions. [2018-12-09 11:50:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 169 transitions. [2018-12-09 11:50:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:50:36,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 131 transitions. [2018-12-09 11:50:36,473 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2018-12-09 11:50:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 11:50:36,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2018-12-09 11:50:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2018-12-09 11:50:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 11:50:38,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 112 states and 157 transitions. [2018-12-09 11:50:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2018-12-09 11:50:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 11:50:40,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 117 states and 163 transitions. [2018-12-09 11:50:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2018-12-09 11:50:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:50:45,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 120 states and 169 transitions. [2018-12-09 11:50:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2018-12-09 11:50:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:50:45,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 123 states and 175 transitions. [2018-12-09 11:50:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2018-12-09 11:50:45,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:50:45,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 130 states and 185 transitions. [2018-12-09 11:50:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2018-12-09 11:50:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:50:48,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:51,314 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-09 11:50:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 139 states and 201 transitions. [2018-12-09 11:50:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2018-12-09 11:50:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:50:54,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:50:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2018-12-09 11:50:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2018-12-09 11:50:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:50:56,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:50:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:50:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:50:59,028 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 11:51:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 158 states and 229 transitions. [2018-12-09 11:51:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 229 transitions. [2018-12-09 11:51:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:51:03,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 164 states and 247 transitions. [2018-12-09 11:51:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2018-12-09 11:51:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:51:05,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 170 states and 263 transitions. [2018-12-09 11:51:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 263 transitions. [2018-12-09 11:51:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:51:07,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 176 states and 278 transitions. [2018-12-09 11:51:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 278 transitions. [2018-12-09 11:51:10,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:51:10,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 279 transitions. [2018-12-09 11:51:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 279 transitions. [2018-12-09 11:51:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:51:10,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 179 states and 289 transitions. [2018-12-09 11:51:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 289 transitions. [2018-12-09 11:51:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:51:11,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:11,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 180 states and 290 transitions. [2018-12-09 11:51:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 290 transitions. [2018-12-09 11:51:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:51:11,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:51:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 183 states and 297 transitions. [2018-12-09 11:51:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 297 transitions. [2018-12-09 11:51:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:51:22,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 185 states and 302 transitions. [2018-12-09 11:51:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 302 transitions. [2018-12-09 11:51:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:51:22,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:27,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 189 states and 315 transitions. [2018-12-09 11:51:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 315 transitions. [2018-12-09 11:51:27,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:51:27,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 192 states and 322 transitions. [2018-12-09 11:51:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 322 transitions. [2018-12-09 11:51:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:51:29,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 194 states and 329 transitions. [2018-12-09 11:51:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 329 transitions. [2018-12-09 11:51:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:51:31,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:39,745 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-09 11:51:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 202 states and 344 transitions. [2018-12-09 11:51:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 344 transitions. [2018-12-09 11:51:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:51:49,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 199 states and 337 transitions. [2018-12-09 11:51:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 337 transitions. [2018-12-09 11:51:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:51:49,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 211 states and 371 transitions. [2018-12-09 11:52:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 371 transitions. [2018-12-09 11:52:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:04,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 212 states and 374 transitions. [2018-12-09 11:52:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 374 transitions. [2018-12-09 11:52:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:06,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:16,546 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-09 11:52:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 217 states and 395 transitions. [2018-12-09 11:52:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 395 transitions. [2018-12-09 11:52:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:19,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 219 states and 400 transitions. [2018-12-09 11:52:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 400 transitions. [2018-12-09 11:52:24,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:24,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 223 states and 407 transitions. [2018-12-09 11:52:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 407 transitions. [2018-12-09 11:52:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:28,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:30,250 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 11:52:31,755 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-12-09 11:52:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 226 states and 416 transitions. [2018-12-09 11:52:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 416 transitions. [2018-12-09 11:52:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:40,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:51,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 236 states and 443 transitions. [2018-12-09 11:52:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 443 transitions. [2018-12-09 11:52:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:51,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 246 states and 470 transitions. [2018-12-09 11:53:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 470 transitions. [2018-12-09 11:53:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:53:06,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 247 states and 472 transitions. [2018-12-09 11:53:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 472 transitions. [2018-12-09 11:53:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:53:07,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 249 states and 481 transitions. [2018-12-09 11:53:08,613 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 481 transitions. [2018-12-09 11:53:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:53:08,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 255 states and 492 transitions. [2018-12-09 11:53:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 492 transitions. [2018-12-09 11:53:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:53:14,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 261 states and 501 transitions. [2018-12-09 11:53:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 501 transitions. [2018-12-09 11:53:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:53:18,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 262 states and 503 transitions. [2018-12-09 11:53:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 503 transitions. [2018-12-09 11:53:19,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:19,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:53:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 266 states and 512 transitions. [2018-12-09 11:53:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 512 transitions. [2018-12-09 11:53:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:22,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:53:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 269 states and 518 transitions. [2018-12-09 11:53:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 518 transitions. [2018-12-09 11:53:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:25,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:53:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 270 states and 521 transitions. [2018-12-09 11:53:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 521 transitions. [2018-12-09 11:53:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:25,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:53:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 271 states and 524 transitions. [2018-12-09 11:53:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 524 transitions. [2018-12-09 11:53:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:26,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:53:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 272 states and 527 transitions. [2018-12-09 11:53:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 527 transitions. [2018-12-09 11:53:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:27,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:53:29,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 275 states and 531 transitions. [2018-12-09 11:53:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 531 transitions. [2018-12-09 11:53:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:29,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 291 states and 568 transitions. [2018-12-09 11:53:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 568 transitions. [2018-12-09 11:53:49,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:53:49,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:53:50,108 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-12-09 11:53:51,818 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-12-09 11:53:55,848 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2018-12-09 11:53:56,765 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-09 11:54:01,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 296 states and 580 transitions. [2018-12-09 11:54:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 580 transitions. [2018-12-09 11:54:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:01,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 302 states and 604 transitions. [2018-12-09 11:54:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 604 transitions. [2018-12-09 11:54:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:08,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 305 states and 616 transitions. [2018-12-09 11:54:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 616 transitions. [2018-12-09 11:54:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:11,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 309 states and 632 transitions. [2018-12-09 11:54:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 632 transitions. [2018-12-09 11:54:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:14,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 316 states and 644 transitions. [2018-12-09 11:54:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 644 transitions. [2018-12-09 11:54:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:22,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 322 states and 658 transitions. [2018-12-09 11:54:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 658 transitions. [2018-12-09 11:54:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:41,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:41,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 323 states and 665 transitions. [2018-12-09 11:54:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 665 transitions. [2018-12-09 11:54:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:41,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 325 states and 669 transitions. [2018-12-09 11:54:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 669 transitions. [2018-12-09 11:54:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:44,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 328 states and 678 transitions. [2018-12-09 11:54:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 678 transitions. [2018-12-09 11:54:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:47,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:48,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 329 states and 681 transitions. [2018-12-09 11:54:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 681 transitions. [2018-12-09 11:54:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:48,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:51,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 330 states and 683 transitions. [2018-12-09 11:54:51,762 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 683 transitions. [2018-12-09 11:54:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:51,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 331 states and 685 transitions. [2018-12-09 11:54:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 685 transitions. [2018-12-09 11:54:53,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:53,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:54:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 332 states and 687 transitions. [2018-12-09 11:54:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 687 transitions. [2018-12-09 11:54:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:54:55,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:54:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:54:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:54:57,816 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2018-12-09 11:55:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:55:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 337 states and 696 transitions. [2018-12-09 11:55:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 696 transitions. [2018-12-09 11:55:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:55:02,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:55:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:55:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:55:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:55:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 337 states and 695 transitions. [2018-12-09 11:55:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 695 transitions. [2018-12-09 11:55:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:55:03,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:55:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:55:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:55:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:55:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 350 states and 722 transitions. [2018-12-09 11:55:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 722 transitions. [2018-12-09 11:55:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:55:26,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:55:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:55:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:55:27,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:55:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 350 states and 721 transitions. [2018-12-09 11:55:27,797 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 721 transitions. [2018-12-09 11:55:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:55:27,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:55:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:55:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:55:30,915 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-09 11:55:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:55:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 351 states and 724 transitions. [2018-12-09 11:55:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 724 transitions. [2018-12-09 11:55:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:55:32,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:55:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:55:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:55:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:55:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 357 states and 733 transitions. [2018-12-09 11:55:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 733 transitions. [2018-12-09 11:55:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:55:48,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:55:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:55:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:56:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:56:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 363 states and 742 transitions. [2018-12-09 11:56:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 742 transitions. [2018-12-09 11:56:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:56:00,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:56:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:56:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:56:06,975 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2018-12-09 11:56:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:56:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 373 states and 764 transitions. [2018-12-09 11:56:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 764 transitions. [2018-12-09 11:56:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:56:21,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:56:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:56:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:56:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:56:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 377 states and 772 transitions. [2018-12-09 11:56:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 772 transitions. [2018-12-09 11:56:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:56:32,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:56:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:56:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:56:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:56:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 381 states and 776 transitions. [2018-12-09 11:56:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 776 transitions. [2018-12-09 11:56:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:56:37,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:56:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:56:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:56:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:56:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 389 states and 801 transitions. [2018-12-09 11:56:51,094 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 801 transitions. [2018-12-09 11:56:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:56:51,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:56:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:56:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 397 states and 827 transitions. [2018-12-09 11:57:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 827 transitions. [2018-12-09 11:57:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:14,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 401 states and 844 transitions. [2018-12-09 11:57:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 844 transitions. [2018-12-09 11:57:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:24,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 405 states and 852 transitions. [2018-12-09 11:57:31,363 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 852 transitions. [2018-12-09 11:57:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:31,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 409 states and 862 transitions. [2018-12-09 11:57:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 862 transitions. [2018-12-09 11:57:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:44,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:46,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 410 states and 866 transitions. [2018-12-09 11:57:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 866 transitions. [2018-12-09 11:57:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:46,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:47,598 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-09 11:57:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 411 states and 873 transitions. [2018-12-09 11:57:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 873 transitions. [2018-12-09 11:57:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:49,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 412 states and 879 transitions. [2018-12-09 11:57:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 879 transitions. [2018-12-09 11:57:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:51,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:57:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:57:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:57:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 416 states and 885 transitions. [2018-12-09 11:57:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 885 transitions. [2018-12-09 11:57:59,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:57:59,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:57:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 417 states and 888 transitions. [2018-12-09 11:58:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 888 transitions. [2018-12-09 11:58:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:58:02,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 418 states and 895 transitions. [2018-12-09 11:58:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 895 transitions. [2018-12-09 11:58:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:58:03,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 419 states and 899 transitions. [2018-12-09 11:58:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 899 transitions. [2018-12-09 11:58:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:58:04,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 420 states and 902 transitions. [2018-12-09 11:58:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 902 transitions. [2018-12-09 11:58:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:58:07,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:08,515 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2018-12-09 11:58:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 421 states and 906 transitions. [2018-12-09 11:58:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 906 transitions. [2018-12-09 11:58:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:58:10,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:10,780 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 126 iterations. [2018-12-09 11:58:10,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:58:10 ImpRootNode [2018-12-09 11:58:10,809 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:58:10,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:58:10,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:58:10,810 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:58:10,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:50:29" (3/4) ... [2018-12-09 11:58:10,813 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:58:10,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:58:10,814 INFO L168 Benchmark]: Toolchain (without parser) took 462101.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.7 MB in the beginning and 652.8 MB in the end (delta: 298.9 MB). Peak memory consumption was 438.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,815 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:10,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.13 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,816 INFO L168 Benchmark]: Boogie Preprocessor took 19.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,816 INFO L168 Benchmark]: RCFGBuilder took 360.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,816 INFO L168 Benchmark]: CodeCheck took 461390.27 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Free memory was 1.0 GB in the beginning and 652.8 MB in the end (delta: 395.6 MB). Peak memory consumption was 420.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,817 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 652.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:10,819 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, 118 locations, 57 error locations. UNSAFE Result, 461.3s OverallTime, 126 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57344 SDtfs, -832015936 SDslu, 241999872 SDs, 0 SdLazy, 1607878866 SolverSat, -1552720374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 191.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20281 GetRequests, 17971 SyntacticMatches, 976 SemanticMatches, 1334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072422 ImplicationChecksByTransitivity, 454.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 61.1s InterpolantComputationTime, 2218 NumberOfCodeBlocks, 2218 NumberOfCodeBlocksAsserted, 126 NumberOfCheckSat, 2067 ConstructedInterpolants, 0 QuantifiedInterpolants, 328243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 125 InterpolantComputations, 85 PerfectInterpolantSequences, 38/145 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: 986]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 986. Possible FailurePath: [L989] SLL* head = malloc(sizeof(SLL)); [L990] head->next = ((void*)0) [L991] head->prev = ((void*)0) [L992] head->data = 0 [L994] SLL* x = head; [L997] COND FALSE !(__VERIFIER_nondet_int()) [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1018] x = head [L1019] EXPR x->next [L1019] COND FALSE !(x->next != ((void*)0)) [L1026] EXPR x->next [L1026] SLL* y = x->next; [L1027] x->next = malloc(sizeof(SLL)) [L1028] x->data = 1 [L1029] x->next = y [L1030] COND FALSE !(y != ((void*)0)) [L1038] x = head [L1041] EXPR x->data [L1041] COND FALSE !(x->data != 1) [L1047] EXPR x->next [L1047] x = x->next [L1048] COND FALSE !(\read(*x)) [L1056] x = head [L1057] COND TRUE x != ((void*)0) [L1059] head = x [L1060] EXPR x->next [L1060] x = x->next [L1061] free(head) [L1061] free(head) [L1057] COND FALSE !(x != ((void*)0)) [L1064] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.13 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 360.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * CodeCheck took 461390.27 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Free memory was 1.0 GB in the beginning and 652.8 MB in the end (delta: 395.6 MB). Peak memory consumption was 420.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 652.8 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 [2018-12-09 11:58:12,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:58:12,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:58:12,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:58:12,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:58:12,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:58:12,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:58:12,067 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:58:12,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:58:12,068 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:58:12,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:58:12,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:58:12,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:58:12,071 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:58:12,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:58:12,072 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:58:12,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:58:12,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:58:12,075 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:58:12,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:58:12,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:58:12,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:58:12,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:58:12,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:58:12,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:58:12,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:58:12,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:58:12,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:58:12,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:58:12,084 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:58:12,084 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:58:12,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:58:12,085 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:58:12,085 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:58:12,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:58:12,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:58:12,086 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-09 11:58:12,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:58:12,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:58:12,098 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:58:12,098 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:58:12,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:58:12,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:58:12,098 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:58:12,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:58:12,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:58:12,100 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:58:12,100 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:58:12,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:58:12,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:58:12,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:58:12,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:58:12,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:58:12,101 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 11:58:12,101 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 11:58:12,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:58:12,101 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:58:12,101 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_a11e841e-f91c-4faf-a20c-dd80b327b021/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 -> a0270bdb02afc11bd88836e5502a475e981de345 [2018-12-09 11:58:12,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:58:12,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:58:12,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:58:12,135 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:58:12,135 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:58:12,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-09 11:58:12,172 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/026630fa5/d139af011e4b4114a84845788202567b/FLAGf47e8620a [2018-12-09 11:58:12,567 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:58:12,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/sv-benchmarks/c/forester-heap/dll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-12-09 11:58:12,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/026630fa5/d139af011e4b4114a84845788202567b/FLAGf47e8620a [2018-12-09 11:58:12,923 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/bin-2019/ukojak/data/026630fa5/d139af011e4b4114a84845788202567b [2018-12-09 11:58:12,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:58:12,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:58:12,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:12,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:58:12,928 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:58:12,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:12" (1/1) ... [2018-12-09 11:58:12,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76840cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:12, skipping insertion in model container [2018-12-09 11:58:12,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:12" (1/1) ... [2018-12-09 11:58:12,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:58:12,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:58:13,103 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:13,111 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:58:13,139 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:13,162 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:58:13,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13 WrapperNode [2018-12-09 11:58:13,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:13,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:13,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:58:13,163 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:58:13,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:13,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:58:13,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:58:13,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:58:13,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:58:13,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:58:13,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:58:13,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:58:13,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a11e841e-f91c-4faf-a20c-dd80b327b021/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 [2018-12-09 11:58:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:58:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 11:58:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:58:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:58:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:58:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 11:58:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:58:13,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:58:13,796 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:58:13,796 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 11:58:13,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:13 BoogieIcfgContainer [2018-12-09 11:58:13,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:58:13,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:58:13,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:58:13,803 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:58:13,803 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:13" (1/1) ... [2018-12-09 11:58:13,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:13,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:58:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 101 states and 113 transitions. [2018-12-09 11:58:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2018-12-09 11:58:13,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 11:58:13,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:58:13,860 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) [2018-12-09 11:58:13,861 INFO L168 Benchmark]: Toolchain (without parser) took 936.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:13,863 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 11:58:13,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.35 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 916.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:13,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 916.5 MB in the beginning and 1.1 GB in the end (delta: -208.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:13,863 INFO L168 Benchmark]: Boogie Preprocessor took 20.31 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. [2018-12-09 11:58:13,864 INFO L168 Benchmark]: RCFGBuilder took 551.36 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: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:13,864 INFO L168 Benchmark]: CodeCheck took 64.33 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. [2018-12-09 11:58:13,866 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 0.12 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 236.35 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 916.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 916.5 MB in the beginning and 1.1 GB in the end (delta: -208.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.31 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 551.36 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: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. * CodeCheck took 64.33 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...