./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/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 09aab7ee021274328a236afeda27749aba561ee0 .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:55:16,730 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:55:16,731 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:55:16,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:55:16,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:55:16,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:55:16,741 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:55:16,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:55:16,743 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:55:16,744 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:55:16,745 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:55:16,745 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:55:16,746 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:55:16,746 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:55:16,747 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:55:16,748 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:55:16,748 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:55:16,749 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:55:16,751 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:55:16,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:55:16,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:55:16,754 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:55:16,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:55:16,756 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:55:16,756 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:55:16,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:55:16,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:55:16,758 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:55:16,758 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:55:16,759 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:55:16,759 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:55:16,760 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:55:16,760 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:55:16,760 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:55:16,761 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:55:16,761 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:55:16,762 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-23 00:55:16,772 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:55:16,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:55:16,773 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:55:16,773 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:55:16,773 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:55:16,773 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:55:16,774 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:55:16,774 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:55:16,774 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:55:16,774 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:55:16,774 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:55:16,774 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:55:16,774 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:55:16,775 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:55:16,775 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:55:16,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:55:16,775 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:55:16,776 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 00:55:16,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:55:16,776 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:55:16,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:55:16,776 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 00:55:16,776 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 00:55:16,776 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 00:55:16,777 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:55:16,777 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:55:16,777 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:55:16,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:55:16,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:55:16,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:55:16,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:55:16,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:55:16,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:55:16,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:55:16,778 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:55:16,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:55:16,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:55:16,778 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_8aa9774f-0b21-46e2-b186-7754ecfed40e/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 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 -> 09aab7ee021274328a236afeda27749aba561ee0 [2018-11-23 00:55:16,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:55:16,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:55:16,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:55:16,813 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:55:16,813 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:55:16,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-11-23 00:55:16,847 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/data/c6f1f8ba4/64eb01b2cc6442b280ac9d3cd9f303dc/FLAG4b6c60b7d [2018-11-23 00:55:17,244 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:55:17,245 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-11-23 00:55:17,249 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/data/c6f1f8ba4/64eb01b2cc6442b280ac9d3cd9f303dc/FLAG4b6c60b7d [2018-11-23 00:55:17,257 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/data/c6f1f8ba4/64eb01b2cc6442b280ac9d3cd9f303dc [2018-11-23 00:55:17,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:55:17,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:55:17,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:55:17,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:55:17,263 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:55:17,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fae5e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17, skipping insertion in model container [2018-11-23 00:55:17,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:55:17,284 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:55:17,401 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:55:17,411 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:55:17,425 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:55:17,436 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:55:17,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17 WrapperNode [2018-11-23 00:55:17,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:55:17,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:55:17,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:55:17,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:55:17,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:55:17,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:55:17,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:55:17,454 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:55:17,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... [2018-11-23 00:55:17,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:55:17,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:55:17,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:55:17,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:55:17,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/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 [2018-11-23 00:55:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:55:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:55:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:55:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:55:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:55:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:55:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:55:17,678 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:55:17,679 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 00:55:17,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:17 BoogieIcfgContainer [2018-11-23 00:55:17,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:55:17,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:55:17,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:55:17,681 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:55:17,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:55:17" (1/3) ... [2018-11-23 00:55:17,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c51e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:55:17, skipping insertion in model container [2018-11-23 00:55:17,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:17" (2/3) ... [2018-11-23 00:55:17,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c51e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:55:17, skipping insertion in model container [2018-11-23 00:55:17,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:17" (3/3) ... [2018-11-23 00:55:17,684 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization_true-valid-memsafety_true-termination.c [2018-11-23 00:55:17,689 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:55:17,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:55:17,703 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:55:17,720 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:55:17,720 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 00:55:17,720 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:55:17,720 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:55:17,720 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:55:17,720 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:55:17,720 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:55:17,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:55:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-11-23 00:55:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 00:55:17,734 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:55:17,734 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:55:17,735 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-23 00:55:17,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:55:17,740 INFO L82 PathProgramCache]: Analyzing trace with hash 254106603, now seen corresponding path program 1 times [2018-11-23 00:55:17,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:55:17,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:55:17,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:55:17,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:55:17,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:55:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:55:17,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:55:17,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-11-23 00:55:17,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:55:17,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:55:17,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:55:17,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:55:17,867 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2018-11-23 00:55:17,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:55:17,876 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2018-11-23 00:55:17,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:55:17,877 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-11-23 00:55:17,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:55:17,881 INFO L225 Difference]: With dead ends: 10 [2018-11-23 00:55:17,881 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:55:17,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:55:17,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:55:17,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:55:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:55:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:55:17,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-23 00:55:17,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:55:17,903 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:55:17,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:55:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:55:17,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:55:17,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:55:17 BoogieIcfgContainer [2018-11-23 00:55:17,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:55:17,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:55:17,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:55:17,907 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:55:17,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:17" (3/4) ... [2018-11-23 00:55:17,909 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:55:17,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:55:17,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:55:17,918 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 00:55:17,918 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 00:55:17,918 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 00:55:17,918 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:55:17,918 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:55:17,919 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:55:17,919 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:55:17,941 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8aa9774f-0b21-46e2-b186-7754ecfed40e/bin-2019/utaipan/witness.graphml [2018-11-23 00:55:17,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:55:17,942 INFO L168 Benchmark]: Toolchain (without parser) took 682.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:17,943 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:55:17,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.54 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:17,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.99 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:55:17,944 INFO L168 Benchmark]: Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.0 GB. Free memory was 940.3 MB in the beginning and 937.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:17,944 INFO L168 Benchmark]: RCFGBuilder took 208.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -212.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:17,945 INFO L168 Benchmark]: TraceAbstraction took 226.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:17,945 INFO L168 Benchmark]: Witness Printer took 34.99 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:17,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.54 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.99 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.0 GB. Free memory was 940.3 MB in the beginning and 937.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -212.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 226.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Witness Printer took 34.99 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 11 locations, 1 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 correct! Received shutdown request...