./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ....................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:50:11,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:50:11,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:50:11,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:50:11,686 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:50:11,686 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:50:11,687 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:50:11,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:50:11,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:50:11,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:50:11,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:50:11,691 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:50:11,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:50:11,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:50:11,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:50:11,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:50:11,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:50:11,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:50:11,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:50:11,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:50:11,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:50:11,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:50:11,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:50:11,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:50:11,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:50:11,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:50:11,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:50:11,705 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:50:11,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:50:11,706 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:50:11,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:50:11,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:50:11,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:50:11,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:50:11,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:50:11,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:50:11,709 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:50:11,720 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:50:11,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:50:11,721 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:50:11,721 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:50:11,722 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:50:11,722 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:50:11,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:50:11,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:50:11,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:50:11,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:50:11,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:50:11,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:50:11,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:50:11,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:50:11,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:50:11,724 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:50:11,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:50:11,724 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:50:11,724 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:50:11,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:50:11,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:50:11,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:50:11,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:50:11,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:50:11,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:50:11,725 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:50:11,725 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:50:11,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:50:11,726 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2018-11-10 02:50:11,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:50:11,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:50:11,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:50:11,765 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:50:11,765 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:50:11,765 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-11-10 02:50:11,807 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/data/797c5fe12/3920b46b87f24b8f94dc5d73c866288b/FLAG0a9559c21 [2018-11-10 02:50:12,196 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:50:12,196 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-11-10 02:50:12,208 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/data/797c5fe12/3920b46b87f24b8f94dc5d73c866288b/FLAG0a9559c21 [2018-11-10 02:50:12,219 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/data/797c5fe12/3920b46b87f24b8f94dc5d73c866288b [2018-11-10 02:50:12,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:50:12,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:50:12,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:50:12,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:50:12,226 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:50:12,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1cef44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12, skipping insertion in model container [2018-11-10 02:50:12,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:50:12,269 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:50:12,479 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:50:12,487 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:50:12,519 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:50:12,554 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:50:12,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12 WrapperNode [2018-11-10 02:50:12,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:50:12,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:50:12,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:50:12,555 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:50:12,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:50:12,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:50:12,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:50:12,637 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:50:12,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... [2018-11-10 02:50:12,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:50:12,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:50:12,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:50:12,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:50:12,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/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 [2018-11-10 02:50:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 02:50:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 02:50:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 02:50:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 02:50:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 02:50:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 02:50:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:50:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:50:13,390 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:50:13,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:50:13 BoogieIcfgContainer [2018-11-10 02:50:13,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:50:13,391 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:50:13,391 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:50:13,398 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:50:13,399 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:50:13" (1/1) ... [2018-11-10 02:50:13,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:50:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2018-11-10 02:50:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2018-11-10 02:50:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 02:50:13,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:13,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2018-11-10 02:50:13,890 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2018-11-10 02:50:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 02:50:13,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2018-11-10 02:50:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2018-11-10 02:50:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 02:50:14,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2018-11-10 02:50:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2018-11-10 02:50:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 02:50:14,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2018-11-10 02:50:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2018-11-10 02:50:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 02:50:15,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:15,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-11-10 02:50:15,991 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-11-10 02:50:15,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 02:50:15,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2018-11-10 02:50:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2018-11-10 02:50:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 02:50:16,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:50:17,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:17,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2018-11-10 02:50:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2018-11-10 02:50:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 02:50:17,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:18,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 97 states and 133 transitions. [2018-11-10 02:50:18,700 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2018-11-10 02:50:18,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 02:50:18,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:21,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 108 states and 152 transitions. [2018-11-10 02:50:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 152 transitions. [2018-11-10 02:50:21,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 02:50:21,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 110 states and 156 transitions. [2018-11-10 02:50:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2018-11-10 02:50:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 02:50:21,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 121 states and 176 transitions. [2018-11-10 02:50:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2018-11-10 02:50:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 02:50:24,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 123 states and 181 transitions. [2018-11-10 02:50:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 181 transitions. [2018-11-10 02:50:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 02:50:24,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 02:50:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 125 states and 183 transitions. [2018-11-10 02:50:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2018-11-10 02:50:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 02:50:25,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 154 states and 235 transitions. [2018-11-10 02:50:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 235 transitions. [2018-11-10 02:50:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 02:50:34,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 156 states and 239 transitions. [2018-11-10 02:50:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions. [2018-11-10 02:50:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 02:50:35,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 158 states and 243 transitions. [2018-11-10 02:50:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 243 transitions. [2018-11-10 02:50:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 02:50:36,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 169 states and 268 transitions. [2018-11-10 02:50:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 268 transitions. [2018-11-10 02:50:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 02:50:41,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 171 states and 273 transitions. [2018-11-10 02:50:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 273 transitions. [2018-11-10 02:50:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 02:50:42,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 173 states and 277 transitions. [2018-11-10 02:50:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 277 transitions. [2018-11-10 02:50:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 02:50:43,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:50:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 175 states and 281 transitions. [2018-11-10 02:50:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 281 transitions. [2018-11-10 02:50:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 02:50:44,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:50:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:50:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:50:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:50:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:50:44,303 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2018-11-10 02:50:44,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:50:44 ImpRootNode [2018-11-10 02:50:44,346 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:50:44,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:50:44,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:50:44,347 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:50:44,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:50:13" (3/4) ... [2018-11-10 02:50:44,351 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 02:50:44,421 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd04a2ea-8be2-45b1-a69d-d88dc4564357/bin-2019/ukojak/witness.graphml [2018-11-10 02:50:44,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:50:44,422 INFO L168 Benchmark]: Toolchain (without parser) took 32200.38 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 544.7 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -216.8 MB). Peak memory consumption was 327.9 MB. Max. memory is 11.5 GB. [2018-11-10 02:50:44,423 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:50:44,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 933.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:50:44,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.4 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:50:44,424 INFO L168 Benchmark]: Boogie Preprocessor took 26.03 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:50:44,426 INFO L168 Benchmark]: RCFGBuilder took 727.95 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: 83.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:50:44,426 INFO L168 Benchmark]: CodeCheck took 30955.68 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -122.2 MB). Peak memory consumption was 277.9 MB. Max. memory is 11.5 GB. [2018-11-10 02:50:44,427 INFO L168 Benchmark]: Witness Printer took 74.79 ms. Allocated memory is still 1.6 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:50:44,429 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, 103 locations, 7 error locations. UNSAFE Result, 30.8s OverallTime, 21 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7012608 SDtfs, 8034008 SDslu, 13382052 SDs, 0 SdLazy, 21771024 SolverSat, 9960252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3911 GetRequests, 3379 SyntacticMatches, 204 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52578 ImplicationChecksByTransitivity, 26.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 232424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 11/114 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1038]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L987] EXPR, FCALL malloc(sizeof(struct TSLL)) [L987] struct TSLL* null = malloc(sizeof(struct TSLL)); [L988] FCALL null->next = ((void*)0) [L989] FCALL null->prev = ((void*)0) [L990] FCALL null->colour = BLACK [L992] EXPR, FCALL malloc(sizeof(struct TSLL)) [L992] struct TSLL* list = malloc(sizeof(struct TSLL)); [L993] FCALL list->next = null [L994] FCALL list->prev = null [L995] FCALL list->colour = BLACK [L997] struct TSLL* end = list; [L1000] COND TRUE __VERIFIER_nondet_int() [L1003] EXPR, FCALL malloc(sizeof(struct TSLL)) [L1003] FCALL end->next = malloc(sizeof(struct TSLL)) [L1004] EXPR, FCALL end->next [L1004] FCALL end->next->prev = end [L1005] EXPR, FCALL end->next [L1005] end = end->next [L1006] FCALL end->next = null [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1014] FCALL end->colour = RED [L1015] EXPR, FCALL malloc(sizeof(struct TSLL)) [L1015] FCALL end->next = malloc(sizeof(struct TSLL)) [L1016] EXPR, FCALL end->next [L1016] FCALL end->next->prev = end [L1017] EXPR, FCALL end->next [L1017] end = end->next [L1018] FCALL end->next = null [L1019] FCALL end->colour = BLACK [L1021] EXPR, FCALL end->colour [L1021] COND FALSE !(!(BLACK == end->colour)) [L1021] COND FALSE !(0) [L1022] EXPR, FCALL end->next [L1022] COND FALSE !(!(null == end->next)) [L1022] COND FALSE !(0) [L1023] COND FALSE !(!(null != end)) [L1023] COND FALSE !(0) [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1026] end = null [L1027] end = list [L1030] COND FALSE !(!(null != end)) [L1030] COND FALSE !(0) [L1031] EXPR, FCALL end->colour [L1031] COND FALSE !(!(BLACK == end->colour)) [L1031] COND FALSE !(0) [L1032] COND TRUE null != end [L1034] EXPR, FCALL end->colour [L1034] COND FALSE !(RED == end->colour) [L1041] EXPR, FCALL end->next [L1041] end = end->next [L1032] COND TRUE null != end [L1034] EXPR, FCALL end->colour [L1034] COND TRUE RED == end->colour [L1036] EXPR, FCALL end->next [L1036] end = end->next [L1037] COND FALSE !(!(null != end)) [L1037] COND FALSE !(0) [L1038] EXPR, FCALL end->colour [L1038] COND TRUE !(BLACK != end->colour) [L1038] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 933.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.4 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.03 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 727.95 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: 83.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. * CodeCheck took 30955.68 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -122.2 MB). Peak memory consumption was 277.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.79 ms. Allocated memory is still 1.6 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...