./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3a274b64e7ba6d81948d0b8c45cbd715251888 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3a274b64e7ba6d81948d0b8c45cbd715251888 ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: Indexed Sort BitVec undefined --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:52:23,401 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:52:23,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:52:23,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:52:23,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:52:23,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:52:23,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:52:23,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:52:23,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:52:23,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:52:23,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:52:23,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:52:23,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:52:23,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:52:23,436 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:52:23,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:52:23,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:52:23,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:52:23,445 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:52:23,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:52:23,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:52:23,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:52:23,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:52:23,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:52:23,461 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:52:23,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:52:23,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:52:23,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:52:23,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:52:23,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:52:23,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:52:23,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:52:23,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:52:23,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:52:23,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:52:23,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:52:23,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-18 17:52:23,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:52:23,496 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:52:23,498 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:52:23,499 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:52:23,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:52:23,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:52:23,499 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:52:23,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:52:23,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:52:23,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:52:23,501 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 17:52:23,501 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 17:52:23,501 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 17:52:23,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:52:23,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:52:23,502 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:52:23,503 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:52:23,503 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:52:23,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:52:23,503 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:52:23,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:52:23,504 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:52:23,504 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:52:23,504 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:52:23,504 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:52:23,504 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_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a3a274b64e7ba6d81948d0b8c45cbd715251888 [2018-11-18 17:52:23,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:52:23,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:52:23,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:52:23,580 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:52:23,580 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:52:23,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-11-18 17:52:23,642 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/afecba85f/27f8c272f8f8460d8d1c3b88f12893fe/FLAG4016e68fd [2018-11-18 17:52:24,081 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:52:24,081 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-11-18 17:52:24,096 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/afecba85f/27f8c272f8f8460d8d1c3b88f12893fe/FLAG4016e68fd [2018-11-18 17:52:24,603 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/afecba85f/27f8c272f8f8460d8d1c3b88f12893fe [2018-11-18 17:52:24,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:52:24,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:52:24,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:24,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:52:24,612 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:52:24,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:24" (1/1) ... [2018-11-18 17:52:24,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f86fe87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:24, skipping insertion in model container [2018-11-18 17:52:24,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:24" (1/1) ... [2018-11-18 17:52:24,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:52:24,700 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:52:24,987 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:24,998 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:52:25,042 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:25,196 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:52:25,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25 WrapperNode [2018-11-18 17:52:25,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:25,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:25,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:52:25,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:52:25,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:25,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:52:25,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:52:25,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:52:25,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... [2018-11-18 17:52:25,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:52:25,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:52:25,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:52:25,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:52:25,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:52:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:52:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:52:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:52:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 17:52:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 17:52:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:52:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:52:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:52:26,311 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:52:26,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:26 BoogieIcfgContainer [2018-11-18 17:52:26,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:52:26,312 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:52:26,313 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:52:26,323 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:52:26,324 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:26" (1/1) ... [2018-11-18 17:52:26,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2018-11-18 17:52:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2018-11-18 17:52:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 17:52:26,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2018-11-18 17:52:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2018-11-18 17:52:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 17:52:26,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 85 states and 99 transitions. [2018-11-18 17:52:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2018-11-18 17:52:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 17:52:26,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 84 states and 98 transitions. [2018-11-18 17:52:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2018-11-18 17:52:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 17:52:26,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 83 states and 97 transitions. [2018-11-18 17:52:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2018-11-18 17:52:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:52:27,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2018-11-18 17:52:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2018-11-18 17:52:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:52:27,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:28,299 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 15 [2018-11-18 17:52:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 85 states and 100 transitions. [2018-11-18 17:52:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2018-11-18 17:52:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:52:28,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:28,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:28,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2018-11-18 17:52:28,632 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2018-11-18 17:52:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:52:28,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2018-11-18 17:52:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2018-11-18 17:52:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:52:29,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2018-11-18 17:52:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2018-11-18 17:52:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:52:29,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-11-18 17:52:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-11-18 17:52:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:52:29,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2018-11-18 17:52:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-18 17:52:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:52:30,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:31,089 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 17:52:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2018-11-18 17:52:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-11-18 17:52:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:52:31,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 91 states and 112 transitions. [2018-11-18 17:52:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 112 transitions. [2018-11-18 17:52:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:52:31,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 97 states and 123 transitions. [2018-11-18 17:52:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2018-11-18 17:52:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:52:32,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 96 states and 122 transitions. [2018-11-18 17:52:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2018-11-18 17:52:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:52:32,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 121 transitions. [2018-11-18 17:52:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2018-11-18 17:52:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:52:32,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 94 states and 120 transitions. [2018-11-18 17:52:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2018-11-18 17:52:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:52:32,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 83 states and 103 transitions. [2018-11-18 17:52:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 103 transitions. [2018-11-18 17:52:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:52:32,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2018-11-18 17:52:32,610 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2018-11-18 17:52:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:52:32,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2018-11-18 17:52:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2018-11-18 17:52:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:32,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:33,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2018-11-18 17:52:33,022 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2018-11-18 17:52:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:33,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:33,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2018-11-18 17:52:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2018-11-18 17:52:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:33,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2018-11-18 17:52:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2018-11-18 17:52:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:33,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 83 states and 105 transitions. [2018-11-18 17:52:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2018-11-18 17:52:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:33,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:33,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2018-11-18 17:52:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2018-11-18 17:52:33,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:33,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 81 states and 103 transitions. [2018-11-18 17:52:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2018-11-18 17:52:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:33,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 81 states and 102 transitions. [2018-11-18 17:52:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2018-11-18 17:52:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:33,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 84 states and 107 transitions. [2018-11-18 17:52:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2018-11-18 17:52:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:52:34,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:34,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 87 states and 112 transitions. [2018-11-18 17:52:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2018-11-18 17:52:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 17:52:34,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 86 states and 111 transitions. [2018-11-18 17:52:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2018-11-18 17:52:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 17:52:34,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 87 states and 113 transitions. [2018-11-18 17:52:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2018-11-18 17:52:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 17:52:35,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 94 states and 123 transitions. [2018-11-18 17:52:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 123 transitions. [2018-11-18 17:52:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:52:37,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 93 states and 122 transitions. [2018-11-18 17:52:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2018-11-18 17:52:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:52:37,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 94 states and 123 transitions. [2018-11-18 17:52:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 123 transitions. [2018-11-18 17:52:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:52:38,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 96 states and 128 transitions. [2018-11-18 17:52:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 128 transitions. [2018-11-18 17:52:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:52:38,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:39,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 96 states and 127 transitions. [2018-11-18 17:52:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2018-11-18 17:52:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:52:39,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 97 states and 129 transitions. [2018-11-18 17:52:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2018-11-18 17:52:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:52:39,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 98 states and 132 transitions. [2018-11-18 17:52:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions. [2018-11-18 17:52:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:52:39,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:40,853 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 17:52:42,461 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-11-18 17:52:43,649 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-18 17:52:44,900 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 17:52:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 142 transitions. [2018-11-18 17:52:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2018-11-18 17:52:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:52:48,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 114 states and 158 transitions. [2018-11-18 17:52:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2018-11-18 17:52:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:52:53,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 170 transitions. [2018-11-18 17:52:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2018-11-18 17:52:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:52:54,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:57,957 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-18 17:53:00,297 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-18 17:53:00,921 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 17:53:02,324 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-18 17:53:03,853 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-18 17:53:04,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 130 states and 187 transitions. [2018-11-18 17:53:04,303 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2018-11-18 17:53:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:53:04,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:05,307 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-18 17:53:09,357 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-18 17:53:10,182 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-11-18 17:53:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 137 states and 201 transitions. [2018-11-18 17:53:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 201 transitions. [2018-11-18 17:53:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:53:11,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:13,357 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-18 17:53:15,134 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-11-18 17:53:17,309 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-11-18 17:53:18,853 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 17:53:19,887 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2018-11-18 17:53:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 145 states and 216 transitions. [2018-11-18 17:53:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2018-11-18 17:53:21,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:53:21,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:21,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 149 states and 222 transitions. [2018-11-18 17:53:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2018-11-18 17:53:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:53:21,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 153 states and 229 transitions. [2018-11-18 17:53:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 229 transitions. [2018-11-18 17:53:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:53:21,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:26,961 WARN L180 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-11-18 17:53:27,659 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-11-18 17:53:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 162 states and 247 transitions. [2018-11-18 17:53:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 247 transitions. [2018-11-18 17:53:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:53:33,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 163 states and 248 transitions. [2018-11-18 17:53:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2018-11-18 17:53:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:53:33,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:33,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 165 states and 254 transitions. [2018-11-18 17:53:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2018-11-18 17:53:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:53:33,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 170 states and 263 transitions. [2018-11-18 17:53:37,676 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 263 transitions. [2018-11-18 17:53:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:53:37,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 171 states and 263 transitions. [2018-11-18 17:53:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 263 transitions. [2018-11-18 17:53:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:53:38,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 184 states and 291 transitions. [2018-11-18 17:53:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 291 transitions. [2018-11-18 17:53:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:53:43,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:53:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 188 states and 300 transitions. [2018-11-18 17:53:50,546 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 300 transitions. [2018-11-18 17:53:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:53:50,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:53:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 193 states and 311 transitions. [2018-11-18 17:53:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 311 transitions. [2018-11-18 17:53:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:53:53,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:53:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:56,801 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-18 17:54:02,370 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-18 17:54:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 204 states and 340 transitions. [2018-11-18 17:54:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 340 transitions. [2018-11-18 17:54:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:54:05,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:07,529 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-11-18 17:54:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:11,316 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-11-18 17:54:11,674 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-11-18 17:54:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 215 states and 368 transitions. [2018-11-18 17:54:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 368 transitions. [2018-11-18 17:54:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:54:14,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:16,631 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-11-18 17:54:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 222 states and 376 transitions. [2018-11-18 17:54:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 376 transitions. [2018-11-18 17:54:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:54:18,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:20,238 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-18 17:54:21,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 229 states and 387 transitions. [2018-11-18 17:54:21,682 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 387 transitions. [2018-11-18 17:54:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:54:21,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 236 states and 398 transitions. [2018-11-18 17:54:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 398 transitions. [2018-11-18 17:54:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:54:24,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 240 states and 406 transitions. [2018-11-18 17:54:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 406 transitions. [2018-11-18 17:54:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:54:29,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 244 states and 415 transitions. [2018-11-18 17:54:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 415 transitions. [2018-11-18 17:54:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:54:31,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:34,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 247 states and 422 transitions. [2018-11-18 17:54:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 422 transitions. [2018-11-18 17:54:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:54:34,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 244 states and 415 transitions. [2018-11-18 17:54:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 415 transitions. [2018-11-18 17:54:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:54:34,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 246 states and 418 transitions. [2018-11-18 17:54:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 418 transitions. [2018-11-18 17:54:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:54:37,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:54:39,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 228 states and 384 transitions. [2018-11-18 17:54:39,570 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 384 transitions. [2018-11-18 17:54:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:54:39,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 239 states and 409 transitions. [2018-11-18 17:54:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 409 transitions. [2018-11-18 17:54:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:54:50,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 243 states and 416 transitions. [2018-11-18 17:54:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 416 transitions. [2018-11-18 17:54:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:54:53,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:55,881 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-18 17:54:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 246 states and 422 transitions. [2018-11-18 17:54:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 422 transitions. [2018-11-18 17:54:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:54:57,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 249 states and 429 transitions. [2018-11-18 17:54:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 429 transitions. [2018-11-18 17:54:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:54:59,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:05,057 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-11-18 17:55:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 261 states and 451 transitions. [2018-11-18 17:55:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 451 transitions. [2018-11-18 17:55:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:55:15,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:55:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 265 states and 459 transitions. [2018-11-18 17:55:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 459 transitions. [2018-11-18 17:55:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:55:19,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:55:23,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:23,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 269 states and 467 transitions. [2018-11-18 17:55:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 467 transitions. [2018-11-18 17:55:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:55:23,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:55:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 274 states and 474 transitions. [2018-11-18 17:55:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 474 transitions. [2018-11-18 17:55:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:55:26,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:55:28,749 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-11-18 17:55:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 275 states and 474 transitions. [2018-11-18 17:55:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 474 transitions. [2018-11-18 17:55:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:29,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 285 states and 498 transitions. [2018-11-18 17:55:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 498 transitions. [2018-11-18 17:55:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:34,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:35,948 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-11-18 17:55:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 295 states and 520 transitions. [2018-11-18 17:55:40,051 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 520 transitions. [2018-11-18 17:55:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:40,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 297 states and 525 transitions. [2018-11-18 17:55:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 525 transitions. [2018-11-18 17:55:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:40,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 303 states and 539 transitions. [2018-11-18 17:55:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 539 transitions. [2018-11-18 17:55:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:45,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 307 states and 548 transitions. [2018-11-18 17:55:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 548 transitions. [2018-11-18 17:55:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:47,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:48,864 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-11-18 17:55:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 309 states and 551 transitions. [2018-11-18 17:55:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 551 transitions. [2018-11-18 17:55:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:50,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:55:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:55:54,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 315 states and 564 transitions. [2018-11-18 17:55:54,733 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 564 transitions. [2018-11-18 17:55:54,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:55:54,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:55:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:56:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:56:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 326 states and 583 transitions. [2018-11-18 17:56:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 583 transitions. [2018-11-18 17:56:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:56:15,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:56:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:56:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:56:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:56:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 329 states and 590 transitions. [2018-11-18 17:56:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 590 transitions. [2018-11-18 17:56:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:56:18,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:56:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:56:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:56:19,140 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-18 17:56:19,975 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-11-18 17:56:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:56:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 340 states and 611 transitions. [2018-11-18 17:56:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 611 transitions. [2018-11-18 17:56:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:56:28,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:56:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:56:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:56:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:56:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 349 states and 629 transitions. [2018-11-18 17:56:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 629 transitions. [2018-11-18 17:56:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:56:36,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:56:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:56:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:56:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:56:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 360 states and 656 transitions. [2018-11-18 17:56:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 656 transitions. [2018-11-18 17:56:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:56:50,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:56:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:56:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:56:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:56:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 367 states and 668 transitions. [2018-11-18 17:56:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 668 transitions. [2018-11-18 17:56:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:56:57,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:56:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:57:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:57:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 369 states and 669 transitions. [2018-11-18 17:57:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 669 transitions. [2018-11-18 17:57:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:57:10,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:57:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:57:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:57:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 372 states and 673 transitions. [2018-11-18 17:57:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 673 transitions. [2018-11-18 17:57:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:57:11,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:57:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:57:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:57:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 373 states and 674 transitions. [2018-11-18 17:57:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 674 transitions. [2018-11-18 17:57:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:57:13,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:57:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:57:23,565 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-18 17:57:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:57:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 385 states and 700 transitions. [2018-11-18 17:57:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 700 transitions. [2018-11-18 17:57:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:57:30,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:57:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:57:42,260 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-11-18 17:57:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:57:48,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 394 states and 728 transitions. [2018-11-18 17:57:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 728 transitions. [2018-11-18 17:57:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:57:48,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:57:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:09,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 403 states and 757 transitions. [2018-11-18 17:58:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 757 transitions. [2018-11-18 17:58:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:58:09,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 405 states and 759 transitions. [2018-11-18 17:58:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 759 transitions. [2018-11-18 17:58:13,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:58:13,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:19,773 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-11-18 17:58:21,584 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-11-18 17:58:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 416 states and 788 transitions. [2018-11-18 17:58:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 788 transitions. [2018-11-18 17:58:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:58:30,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 418 states and 791 transitions. [2018-11-18 17:58:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 791 transitions. [2018-11-18 17:58:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:58:38,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 420 states and 793 transitions. [2018-11-18 17:58:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 793 transitions. [2018-11-18 17:58:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:58:41,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 422 states and 798 transitions. [2018-11-18 17:58:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 798 transitions. [2018-11-18 17:58:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:58:43,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:58:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 427 states and 810 transitions. [2018-11-18 17:58:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 810 transitions. [2018-11-18 17:58:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:58:48,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 429 states and 813 transitions. [2018-11-18 17:58:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 813 transitions. [2018-11-18 17:58:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:58:49,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 431 states and 816 transitions. [2018-11-18 17:58:51,187 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 816 transitions. [2018-11-18 17:58:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:58:51,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:58:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 433 states and 821 transitions. [2018-11-18 17:58:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 821 transitions. [2018-11-18 17:58:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:58:56,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:58:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:59:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:59:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 440 states and 834 transitions. [2018-11-18 17:59:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 834 transitions. [2018-11-18 17:59:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:59:01,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:59:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:59:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:59:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 447 states and 847 transitions. [2018-11-18 17:59:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 847 transitions. [2018-11-18 17:59:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:59:08,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:59:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:59:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:59:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 459 states and 872 transitions. [2018-11-18 17:59:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 872 transitions. [2018-11-18 17:59:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:59:21,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:59:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:59:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:59:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 471 states and 902 transitions. [2018-11-18 17:59:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 902 transitions. [2018-11-18 17:59:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:59:39,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:59:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:59:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:59:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 475 states and 908 transitions. [2018-11-18 17:59:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 908 transitions. [2018-11-18 17:59:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:59:46,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:59:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:59:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:59:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 478 states and 914 transitions. [2018-11-18 17:59:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 914 transitions. [2018-11-18 17:59:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:59:50,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:59:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 483 states and 930 transitions. [2018-11-18 18:00:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 930 transitions. [2018-11-18 18:00:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 18:00:00,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 485 states and 932 transitions. [2018-11-18 18:00:02,849 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 932 transitions. [2018-11-18 18:00:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:02,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 495 states and 953 transitions. [2018-11-18 18:00:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 953 transitions. [2018-11-18 18:00:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:11,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 497 states and 956 transitions. [2018-11-18 18:00:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 956 transitions. [2018-11-18 18:00:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:11,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:32,901 WARN L180 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-18 18:00:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 514 states and 993 transitions. [2018-11-18 18:00:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 993 transitions. [2018-11-18 18:00:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:36,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 522 states and 1011 transitions. [2018-11-18 18:00:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1011 transitions. [2018-11-18 18:00:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:52,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 524 states and 1017 transitions. [2018-11-18 18:00:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1017 transitions. [2018-11-18 18:00:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:54,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 526 states and 1023 transitions. [2018-11-18 18:00:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1023 transitions. [2018-11-18 18:00:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:55,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 528 states and 1029 transitions. [2018-11-18 18:00:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1029 transitions. [2018-11-18 18:00:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:57,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:00:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:00:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 530 states and 1035 transitions. [2018-11-18 18:00:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1035 transitions. [2018-11-18 18:00:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:00:59,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:00:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:01:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:01:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 534 states and 1042 transitions. [2018-11-18 18:01:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1042 transitions. [2018-11-18 18:01:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 18:01:05,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:01:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:01:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:01:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:01:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:01:05,485 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 120 iterations. [2018-11-18 18:01:05,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:01:05 ImpRootNode [2018-11-18 18:01:05,532 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:01:05,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:01:05,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:01:05,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:01:05,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:26" (3/4) ... [2018-11-18 18:01:05,536 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 18:01:05,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:01:05,538 INFO L168 Benchmark]: Toolchain (without parser) took 520929.07 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 956.9 MB in the beginning and 1.8 GB in the end (delta: -854.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 18:01:05,539 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:01:05,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 956.9 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:05,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:05,542 INFO L168 Benchmark]: Boogie Preprocessor took 27.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:05,542 INFO L168 Benchmark]: RCFGBuilder took 1047.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:05,542 INFO L168 Benchmark]: CodeCheck took 519219.38 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -690.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 18:01:05,543 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 3.1 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:01:05,547 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, 100 locations, 43 error locations. UNSAFE Result, 519.1s OverallTime, 120 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1073643264 SDtfs, 1804559624 SDslu, 639733240 SDs, 0 SdLazy, 1105390266 SolverSat, -964509510 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 304.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22126 GetRequests, 19537 SyntacticMatches, 1093 SemanticMatches, 1496 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324356 ImplicationChecksByTransitivity, 509.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 70.9s InterpolantComputationTime, 2340 NumberOfCodeBlocks, 2340 NumberOfCodeBlocksAsserted, 120 NumberOfCheckSat, 2190 ConstructedInterpolants, 0 QuantifiedInterpolants, 446813 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 119 InterpolantComputations, 72 PerfectInterpolantSequences, 88/306 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 985]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 985. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) [L1024] FCALL x->data = 1 [L1025] FCALL x->next = y [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND FALSE !(\read(*x)) [L1047] x = head [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] EXPR, FCALL x->next [L1051] x = x->next [L1052] free(head) [L1052] free(head) [L1052] FCALL free(head) [L1048] COND FALSE !(x != ((void*)0)) [L1055] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 588.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 956.9 MB in the beginning and 1.2 GB in the end (delta: -212.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1047.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * CodeCheck took 519219.38 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -690.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 3.93 ms. Allocated memory is still 3.1 GB. Free memory is still 1.8 GB. 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 0.1.23-5842f4b [2018-11-18 18:01:07,308 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:01:07,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:01:07,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:01:07,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:01:07,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:01:07,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:01:07,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:01:07,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:01:07,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:01:07,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:01:07,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:01:07,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:01:07,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:01:07,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:01:07,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:01:07,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:01:07,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:01:07,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:01:07,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:01:07,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:01:07,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:01:07,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:01:07,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:01:07,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:01:07,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:01:07,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:01:07,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:01:07,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:01:07,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:01:07,340 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:01:07,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:01:07,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:01:07,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:01:07,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:01:07,343 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:01:07,343 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-11-18 18:01:07,355 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:01:07,355 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:01:07,356 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:01:07,356 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:01:07,356 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:01:07,356 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:01:07,357 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 18:01:07,357 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:01:07,357 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:01:07,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:01:07,358 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 18:01:07,358 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 18:01:07,358 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 18:01:07,358 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:01:07,358 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:01:07,358 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:01:07,359 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:01:07,359 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:01:07,359 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:01:07,359 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:01:07,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:01:07,360 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:01:07,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:01:07,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:01:07,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:01:07,360 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 18:01:07,360 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:01:07,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:01:07,363 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:01:07,363 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_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a3a274b64e7ba6d81948d0b8c45cbd715251888 [2018-11-18 18:01:07,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:01:07,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:01:07,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:01:07,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:01:07,410 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:01:07,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-11-18 18:01:07,462 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/8ebc84610/e9ccd05d882f45a980f5880c6e50b3a8/FLAGad69b2128 [2018-11-18 18:01:07,840 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:01:07,841 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/sv-benchmarks/c/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-11-18 18:01:07,851 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/8ebc84610/e9ccd05d882f45a980f5880c6e50b3a8/FLAGad69b2128 [2018-11-18 18:01:07,860 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/data/8ebc84610/e9ccd05d882f45a980f5880c6e50b3a8 [2018-11-18 18:01:07,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:01:07,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:01:07,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:01:07,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:01:07,867 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:01:07,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:01:07" (1/1) ... [2018-11-18 18:01:07,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c23f03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:07, skipping insertion in model container [2018-11-18 18:01:07,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:01:07" (1/1) ... [2018-11-18 18:01:07,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:01:07,910 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:01:08,178 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:01:08,188 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:01:08,243 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:01:08,289 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:01:08,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08 WrapperNode [2018-11-18 18:01:08,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:01:08,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:01:08,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:01:08,291 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:01:08,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:01:08,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:01:08,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:01:08,374 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:01:08,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... [2018-11-18 18:01:08,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:01:08,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:01:08,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:01:08,397 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:01:08,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:01:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9732f85-3498-471e-8710-c19bb8063e74/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:01:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:01:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 18:01:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 18:01:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 18:01:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:01:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 18:01:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:01:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:01:09,116 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:01:09,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:01:09 BoogieIcfgContainer [2018-11-18 18:01:09,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:01:09,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:01:09,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:01:09,124 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:01:09,125 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:01:09" (1/1) ... [2018-11-18 18:01:09,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:01:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:01:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2018-11-18 18:01:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2018-11-18 18:01:09,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 18:01:09,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:01:09,191 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$BuildApplicationTerm.walk(TermTransformer.java:320) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.SmtSymbols.transferSymbols(SmtSymbols.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:449) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2018-11-18 18:01:09,194 INFO L168 Benchmark]: Toolchain (without parser) took 1331.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:09,195 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:01:09,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.37 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 921.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:09,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -225.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:09,197 INFO L168 Benchmark]: Boogie Preprocessor took 22.73 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. [2018-11-18 18:01:09,197 INFO L168 Benchmark]: RCFGBuilder took 719.95 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:09,198 INFO L168 Benchmark]: CodeCheck took 76.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:01:09,203 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.37 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 921.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -225.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.73 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 719.95 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * CodeCheck took 76.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...