./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.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_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:31:58,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:31:58,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:31:58,489 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:31:58,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:31:58,490 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:31:58,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:31:58,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:31:58,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:31:58,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:31:58,493 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:31:58,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:31:58,494 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:31:58,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:31:58,495 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:31:58,496 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:31:58,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:31:58,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:31:58,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:31:58,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:31:58,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:31:58,502 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:31:58,503 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:31:58,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:31:58,503 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:31:58,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:31:58,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:31:58,505 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:31:58,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:31:58,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:31:58,507 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:31:58,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:31:58,507 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:31:58,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:31:58,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:31:58,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:31:58,509 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:31:58,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:31:58,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:31:58,517 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:31:58,517 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:31:58,517 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:31:58,517 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:31:58,517 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:31:58,517 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:31:58,518 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:31:58,518 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:31:58,518 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:31:58,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:31:58,518 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:31:58,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:31:58,518 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:31:58,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:31:58,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:31:58,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:31:58,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:31:58,519 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:31:58,519 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:31:58,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:31:58,519 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:31:58,520 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:31:58,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:31:58,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:31:58,521 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:31:58,521 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan 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 -> Taipan 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 -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2018-11-10 10:31:58,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:31:58,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:31:58,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:31:58,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:31:58,560 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:31:58,561 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-10 10:31:58,612 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/data/e27780319/b68650fc8bee43da821f0c5d9d9f65c5/FLAGc3cc03de8 [2018-11-10 10:31:58,958 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:31:58,958 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-10 10:31:58,966 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/data/e27780319/b68650fc8bee43da821f0c5d9d9f65c5/FLAGc3cc03de8 [2018-11-10 10:31:58,981 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/data/e27780319/b68650fc8bee43da821f0c5d9d9f65c5 [2018-11-10 10:31:58,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:31:58,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:31:58,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:31:58,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:31:58,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:31:58,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:58" (1/1) ... [2018-11-10 10:31:58,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a27cf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:58, skipping insertion in model container [2018-11-10 10:31:58,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:58" (1/1) ... [2018-11-10 10:31:59,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:31:59,033 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:31:59,240 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:31:59,245 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:31:59,276 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:31:59,301 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:31:59,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59 WrapperNode [2018-11-10 10:31:59,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:31:59,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:31:59,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:31:59,302 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:31:59,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:31:59,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:31:59,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:31:59,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:31:59,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... [2018-11-10 10:31:59,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:31:59,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:31:59,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:31:59,410 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:31:59,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-10 10:31:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:31:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:31:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:31:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:31:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:31:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:31:59,758 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:31:59,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:59 BoogieIcfgContainer [2018-11-10 10:31:59,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:31:59,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:31:59,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:31:59,762 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:31:59,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:31:58" (1/3) ... [2018-11-10 10:31:59,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73433064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:31:59, skipping insertion in model container [2018-11-10 10:31:59,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:59" (2/3) ... [2018-11-10 10:31:59,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73433064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:31:59, skipping insertion in model container [2018-11-10 10:31:59,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:59" (3/3) ... [2018-11-10 10:31:59,765 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-10 10:31:59,770 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:31:59,775 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:31:59,784 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:31:59,803 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:31:59,803 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:31:59,803 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:31:59,803 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:31:59,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:31:59,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:31:59,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:31:59,803 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:31:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-10 10:31:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:31:59,817 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:31:59,817 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:31:59,819 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:31:59,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:31:59,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1666348370, now seen corresponding path program 1 times [2018-11-10 10:31:59,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:31:59,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:59,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:31:59,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:59,858 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:31:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:59,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:31:59,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:31:59,938 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:31:59,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:31:59,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:31:59,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:31:59,953 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2018-11-10 10:31:59,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:31:59,966 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2018-11-10 10:31:59,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:31:59,967 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-10 10:31:59,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:31:59,974 INFO L225 Difference]: With dead ends: 54 [2018-11-10 10:31:59,975 INFO L226 Difference]: Without dead ends: 24 [2018-11-10 10:31:59,977 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:31:59,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-10 10:31:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-10 10:31:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-10 10:31:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2018-11-10 10:32:00,000 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 16 [2018-11-10 10:32:00,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:32:00,000 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2018-11-10 10:32:00,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:32:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-10 10:32:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 10:32:00,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:32:00,001 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:32:00,001 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:32:00,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:32:00,001 INFO L82 PathProgramCache]: Analyzing trace with hash -730738241, now seen corresponding path program 1 times [2018-11-10 10:32:00,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:32:00,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:32:00,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:32:00,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:32:00,003 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:32:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:32:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:32:00,069 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:32:00,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,081 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,081 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,082 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,082 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,082 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,085 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,085 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,085 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:32:00 BoogieIcfgContainer [2018-11-10 10:32:00,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:32:00,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:32:00,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:32:00,101 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:32:00,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:59" (3/4) ... [2018-11-10 10:32:00,104 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 10:32:00,105 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,105 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,106 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,106 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,106 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,106 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,108 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,108 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,108 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,110 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,110 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,110 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,111 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,111 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,111 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,111 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,111 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,112 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,113 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,113 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,117 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:32:00,146 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c3a8fe45-4f50-43d8-9b41-bd351143ecd2/bin-2019/utaipan/witness.graphml [2018-11-10 10:32:00,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:32:00,146 INFO L168 Benchmark]: Toolchain (without parser) took 1162.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -91.4 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:00,147 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:32:00,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.12 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 933.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:00,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:00,148 INFO L168 Benchmark]: Boogie Preprocessor took 27.46 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:00,149 INFO L168 Benchmark]: RCFGBuilder took 349.30 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:00,149 INFO L168 Benchmark]: TraceAbstraction took 341.63 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:00,149 INFO L168 Benchmark]: Witness Printer took 44.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:00,152 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.12 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 933.5 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 79.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.46 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 349.30 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 341.63 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 44.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] CALL head->next = ((void*)0) [L986] RET head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] CALL head->data = 2 [L987] RET head->data = 2 [L987] EXPR, FCALL malloc(sizeof(SLL)) [L987] CALL head->opt = malloc(sizeof(SLL)) [L987] RET head->opt = malloc(sizeof(SLL)) [L987] CALL, EXPR head->opt [L987] RET, EXPR head->opt [L987] CALL head->opt->next = ((void*)0) [L987] RET head->opt->next = ((void*)0) [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] CALL, EXPR x->data [L996] RET, EXPR x->data [L996] EXPR x->data == 2 && x->opt == x [L996] CALL, EXPR x->opt [L996] RET, EXPR x->opt [L996] EXPR x->data == 2 && x->opt == x [L996] COND TRUE !(x->data == 2 && x->opt == x) [L996] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 34 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...