./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a480b43493b4a406f6a675d8a5e935efaa91b88 ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:01,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:01,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:01,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:01,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:01,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:01,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:01,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:01,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:01,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:01,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:01,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:01,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:01,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:01,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:01,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:01,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:01,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:01,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:01,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:01,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:01,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:01,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:01,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:01,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:01,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:01,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:01,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:01,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:01,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:01,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:01,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:01,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:01,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:01,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:01,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:01,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:01,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:01,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:01,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:01,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:01,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:24:01,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:01,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:01,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:01,514 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:01,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:01,517 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:01,517 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:01,518 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:01,518 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:01,518 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:01,518 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:01,518 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:01,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:24:01,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:24:01,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:01,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:01,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:24:01,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:01,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:01,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:01,520 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:24:01,520 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:24:01,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:24:01,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:01,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:01,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:01,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:01,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:01,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:01,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:01,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:01,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:01,522 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:01,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:01,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:01,523 INFO L138 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_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 0a480b43493b4a406f6a675d8a5e935efaa91b88 [2019-10-22 11:24:01,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:01,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:01,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:01,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:01,584 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:01,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2019-10-22 11:24:01,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/data/b58b08f9d/aabdd5266828473c9e47ac76099e8ee8/FLAGdd959d4c5 [2019-10-22 11:24:02,081 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:02,081 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2019-10-22 11:24:02,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/data/b58b08f9d/aabdd5266828473c9e47ac76099e8ee8/FLAGdd959d4c5 [2019-10-22 11:24:02,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/data/b58b08f9d/aabdd5266828473c9e47ac76099e8ee8 [2019-10-22 11:24:02,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:02,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:02,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:02,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:02,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:02,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:02" (1/1) ... [2019-10-22 11:24:02,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c03177c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:02, skipping insertion in model container [2019-10-22 11:24:02,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:02" (1/1) ... [2019-10-22 11:24:02,641 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:02,693 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:03,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:03,183 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:03,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:03,296 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:03,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03 WrapperNode [2019-10-22 11:24:03,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:03,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:03,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:03,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:03,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:03,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:03,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:03,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:03,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... [2019-10-22 11:24:03,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:03,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:03,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:03,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:03,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/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 [2019-10-22 11:24:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:24:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:24:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:03,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:03,591 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:03,591 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:24:03,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:03 BoogieIcfgContainer [2019-10-22 11:24:03,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:03,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:03,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:03,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:03,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:02" (1/3) ... [2019-10-22 11:24:03,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b72978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:03, skipping insertion in model container [2019-10-22 11:24:03,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:03" (2/3) ... [2019-10-22 11:24:03,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b72978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:03, skipping insertion in model container [2019-10-22 11:24:03,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:03" (3/3) ... [2019-10-22 11:24:03,600 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2019-10-22 11:24:03,610 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:03,616 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-22 11:24:03,631 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-22 11:24:03,652 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:03,653 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:24:03,653 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:03,653 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:03,653 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:03,653 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:03,653 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:03,653 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-10-22 11:24:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:24:03,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:03,695 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:24:03,697 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:03,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:03,718 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2019-10-22 11:24:03,728 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:03,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481961630] [2019-10-22 11:24:03,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:03,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:03,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:24:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:24:03,925 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:24:03,926 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:24:03,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:03 BoogieIcfgContainer [2019-10-22 11:24:03,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:03,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:03,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:03,947 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:03,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:03" (3/4) ... [2019-10-22 11:24:03,950 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:24:03,988 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf27d5be-b3f4-49ef-a07f-2ef46344626e/bin/utaipan/witness.graphml [2019-10-22 11:24:03,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:03,990 INFO L168 Benchmark]: Toolchain (without parser) took 1366.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:03,991 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 958.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:03,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:03,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:03,992 INFO L168 Benchmark]: Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:03,993 INFO L168 Benchmark]: RCFGBuilder took 225.92 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:03,993 INFO L168 Benchmark]: TraceAbstraction took 352.77 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:03,994 INFO L168 Benchmark]: Witness Printer took 41.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:03,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 958.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 225.92 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 352.77 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 41.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L759] return (int *)__VERIFIER_nondet_pointer(); [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}] [L763] free(p) VAL [ldv_global_msg_list={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...