./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64d26f08f1705388a8bcbde0799622957ce08f36 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:58:18,733 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:58:18,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:58:18,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:58:18,743 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:58:18,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:58:18,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:58:18,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:58:18,748 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:58:18,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:58:18,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:58:18,749 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:58:18,751 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:58:18,752 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:58:18,753 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:58:18,753 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:58:18,755 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:58:18,756 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:58:18,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:58:18,759 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:58:18,760 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:58:18,761 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:58:18,764 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:58:18,764 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:58:18,764 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:58:18,765 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:58:18,766 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:58:18,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:58:18,768 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:58:18,768 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:58:18,769 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:58:18,769 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:58:18,769 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:58:18,769 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:58:18,771 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:58:18,772 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:58:18,772 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-10 11:58:18,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:58:18,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:58:18,785 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:58:18,785 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:58:18,785 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:58:18,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:58:18,786 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:58:18,787 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:58:18,787 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:58:18,787 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:58:18,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:58:18,787 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 11:58:18,787 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 11:58:18,788 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 11:58:18,788 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:58:18,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:58:18,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:58:18,788 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:58:18,788 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:58:18,789 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:58:18,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:58:18,789 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:58:18,789 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:58:18,789 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:58:18,789 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:58:18,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer 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 -> Automizer 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 -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2018-11-10 11:58:18,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:58:18,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:58:18,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:58:18,826 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:58:18,826 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:58:18,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-11-10 11:58:18,879 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/data/32db1a9af/712dddeacbf744ddbad50540cd7b7946/FLAG9a7abc584 [2018-11-10 11:58:19,231 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:58:19,231 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-11-10 11:58:19,237 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/data/32db1a9af/712dddeacbf744ddbad50540cd7b7946/FLAG9a7abc584 [2018-11-10 11:58:19,247 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/data/32db1a9af/712dddeacbf744ddbad50540cd7b7946 [2018-11-10 11:58:19,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:58:19,250 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:58:19,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:58:19,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:58:19,255 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:58:19,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3e4ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19, skipping insertion in model container [2018-11-10 11:58:19,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:58:19,283 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:58:19,415 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:58:19,435 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:58:19,458 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:58:19,477 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:58:19,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19 WrapperNode [2018-11-10 11:58:19,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:58:19,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:58:19,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:58:19,478 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:58:19,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... [2018-11-10 11:58:19,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:58:19,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:58:19,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:58:19,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:58:19,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/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 11:58:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:58:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:58:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 11:58:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:58:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 11:58:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 11:58:20,281 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:58:20,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:20 BoogieIcfgContainer [2018-11-10 11:58:20,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:58:20,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:58:20,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:58:20,284 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:58:20,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:58:19" (1/3) ... [2018-11-10 11:58:20,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263c10b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:58:20, skipping insertion in model container [2018-11-10 11:58:20,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:19" (2/3) ... [2018-11-10 11:58:20,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263c10b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:58:20, skipping insertion in model container [2018-11-10 11:58:20,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:20" (3/3) ... [2018-11-10 11:58:20,288 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization1_true-valid-memsafety.c [2018-11-10 11:58:20,294 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:58:20,301 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-11-10 11:58:20,312 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-11-10 11:58:20,333 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:58:20,334 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:58:20,334 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-10 11:58:20,334 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:58:20,334 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:58:20,334 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:58:20,334 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:58:20,334 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:58:20,334 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:58:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 11:58:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 11:58:20,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:58:20,361 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:58:20,363 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr1REQUIRES_VIOLATION, ULTIMATE.initErr6REQUIRES_VIOLATION, ULTIMATE.initErr0REQUIRES_VIOLATION, ULTIMATE.initErr2REQUIRES_VIOLATION, ULTIMATE.initErr7REQUIRES_VIOLATION, ULTIMATE.initErr3REQUIRES_VIOLATION, ULTIMATE.initErr5REQUIRES_VIOLATION, ULTIMATE.initErr4REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION]=== [2018-11-10 11:58:20,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:58:20,368 INFO L82 PathProgramCache]: Analyzing trace with hash 179515645, now seen corresponding path program 1 times [2018-11-10 11:58:20,370 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:58:20,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:58:20,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:58:20,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:58:20,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:58:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:58:20,597 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 11:58:20,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:58:20,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:58:20,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:58:20,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:58:20,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:58:20,619 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 11:58:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:58:20,859 INFO L93 Difference]: Finished difference Result 163 states and 162 transitions. [2018-11-10 11:58:20,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:58:20,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-10 11:58:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:58:20,870 INFO L225 Difference]: With dead ends: 163 [2018-11-10 11:58:20,870 INFO L226 Difference]: Without dead ends: 158 [2018-11-10 11:58:20,872 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:58:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-11-10 11:58:20,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-11-10 11:58:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-11-10 11:58:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 157 transitions. [2018-11-10 11:58:20,912 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 157 transitions. Word has length 33 [2018-11-10 11:58:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:58:20,913 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 157 transitions. [2018-11-10 11:58:20,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:58:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 157 transitions. [2018-11-10 11:58:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 11:58:20,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:58:20,914 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:58:20,914 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr1REQUIRES_VIOLATION, ULTIMATE.initErr6REQUIRES_VIOLATION, ULTIMATE.initErr0REQUIRES_VIOLATION, ULTIMATE.initErr2REQUIRES_VIOLATION, ULTIMATE.initErr7REQUIRES_VIOLATION, ULTIMATE.initErr3REQUIRES_VIOLATION, ULTIMATE.initErr5REQUIRES_VIOLATION, ULTIMATE.initErr4REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION]=== [2018-11-10 11:58:20,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:58:20,915 INFO L82 PathProgramCache]: Analyzing trace with hash 179515646, now seen corresponding path program 1 times [2018-11-10 11:58:20,915 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:58:20,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:58:20,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:58:20,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:58:20,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:58:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:58:21,043 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 11:58:21,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:58:21,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:58:21,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:58:21,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:58:21,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:58:21,047 INFO L87 Difference]: Start difference. First operand 158 states and 157 transitions. Second operand 3 states. [2018-11-10 11:58:21,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:58:21,215 INFO L93 Difference]: Finished difference Result 114 states and 113 transitions. [2018-11-10 11:58:21,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:58:21,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-10 11:58:21,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:58:21,216 INFO L225 Difference]: With dead ends: 114 [2018-11-10 11:58:21,217 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:58:21,217 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:58:21,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:58:21,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:58:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:58:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:58:21,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-10 11:58:21,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:58:21,219 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:58:21,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:58:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:58:21,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:58:21,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:58:21 BoogieIcfgContainer [2018-11-10 11:58:21,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:58:21,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:58:21,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:58:21,226 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:58:21,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:20" (3/4) ... [2018-11-10 11:58:21,231 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:58:21,238 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:58:21,238 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:58:21,247 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 127 nodes and edges [2018-11-10 11:58:21,247 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-10 11:58:21,248 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-10 11:58:21,248 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 11:58:21,248 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 11:58:21,248 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 11:58:21,249 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:58:21,305 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ea811e8-f3d8-4e20-8185-139259897d84/bin-2019/uautomizer/witness.graphml [2018-11-10 11:58:21,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:58:21,306 INFO L168 Benchmark]: Toolchain (without parser) took 2055.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 960.2 MB in the beginning and 981.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 152.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:21,307 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:58:21,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:21,308 INFO L168 Benchmark]: Boogie Preprocessor took 100.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:21,308 INFO L168 Benchmark]: RCFGBuilder took 703.20 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:21,308 INFO L168 Benchmark]: TraceAbstraction took 943.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:21,309 INFO L168 Benchmark]: Witness Printer took 79.04 ms. Allocated memory is still 1.2 GB. Free memory was 991.9 MB in the beginning and 981.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:21,310 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 703.20 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 943.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. * Witness Printer took 79.04 ms. Allocated memory is still 1.2 GB. Free memory was 991.9 MB in the beginning and 981.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 114]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 89 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 208 locations, 89 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 80 SDtfs, 211 SDslu, 5 SDs, 0 SdLazy, 202 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 12032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...