./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/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 64d26f08f1705388a8bcbde0799622957ce08f36 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:10:46,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:10:46,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:10:46,507 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:10:46,507 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:10:46,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:10:46,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:10:46,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:10:46,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:10:46,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:10:46,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:10:46,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:10:46,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:10:46,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:10:46,514 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:10:46,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:10:46,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:10:46,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:10:46,517 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:10:46,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:10:46,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:10:46,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:10:46,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:10:46,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:10:46,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:10:46,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:10:46,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:10:46,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:10:46,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:10:46,524 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:10:46,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:10:46,525 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:10:46,525 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:10:46,525 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:10:46,526 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:10:46,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:10:46,526 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-18 11:10:46,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:10:46,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:10:46,536 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:10:46,537 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:10:46,537 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:10:46,537 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:10:46,537 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:10:46,537 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:10:46,537 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:10:46,537 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:10:46,538 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:10:46,538 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:10:46,538 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:10:46,538 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:10:46,538 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:10:46,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:10:46,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:10:46,539 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:10:46,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:10:46,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:10:46,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:10:46,539 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 11:10:46,539 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 11:10:46,540 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 11:10:46,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:10:46,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:10:46,540 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:10:46,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:10:46,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:10:46,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:10:46,540 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:10:46,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:10:46,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:10:46,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:10:46,541 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:10:46,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:10:46,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:10:46,541 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_f6f42fed-e534-4211-9343-1618828c76e0/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 -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2018-11-18 11:10:46,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:10:46,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:10:46,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:10:46,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:10:46,576 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:10:46,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-11-18 11:10:46,620 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/data/8d895b546/122b6a7ed0a04d9e9e11e5657cf6cbe5/FLAGce140c0c4 [2018-11-18 11:10:47,021 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:10:47,022 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-11-18 11:10:47,026 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/data/8d895b546/122b6a7ed0a04d9e9e11e5657cf6cbe5/FLAGce140c0c4 [2018-11-18 11:10:47,035 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/data/8d895b546/122b6a7ed0a04d9e9e11e5657cf6cbe5 [2018-11-18 11:10:47,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:10:47,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:10:47,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:47,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:10:47,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:10:47,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a19fc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47, skipping insertion in model container [2018-11-18 11:10:47,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:10:47,061 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:10:47,181 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:47,195 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:10:47,220 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:47,240 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:10:47,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47 WrapperNode [2018-11-18 11:10:47,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:47,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:10:47,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:10:47,241 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:10:47,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:10:47,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:10:47,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:10:47,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:10:47,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... [2018-11-18 11:10:47,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:10:47,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:10:47,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:10:47,337 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:10:47,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/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 [2018-11-18 11:10:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 11:10:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:10:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:10:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:10:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:10:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:10:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:10:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:10:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:10:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:10:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 11:10:48,027 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:10:48,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:48 BoogieIcfgContainer [2018-11-18 11:10:48,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:10:48,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:10:48,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:10:48,031 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:10:48,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:10:47" (1/3) ... [2018-11-18 11:10:48,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7668cc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:48, skipping insertion in model container [2018-11-18 11:10:48,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:47" (2/3) ... [2018-11-18 11:10:48,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7668cc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:48, skipping insertion in model container [2018-11-18 11:10:48,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:48" (3/3) ... [2018-11-18 11:10:48,033 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization1_true-valid-memsafety.c [2018-11-18 11:10:48,041 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:10:48,048 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 95 error locations. [2018-11-18 11:10:48,060 INFO L257 AbstractCegarLoop]: Starting to check reachability of 95 error locations. [2018-11-18 11:10:48,080 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:10:48,080 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 11:10:48,081 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:10:48,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:10:48,081 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:10:48,081 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:10:48,081 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:10:48,081 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:10:48,096 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2018-11-18 11:10:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 11:10:48,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:48,102 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-11-18 11:10:48,104 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr6REQUIRES_VIOLATION, ULTIMATE.initErr5REQUIRES_VIOLATION, ULTIMATE.initErr4REQUIRES_VIOLATION, ULTIMATE.initErr3REQUIRES_VIOLATION, ULTIMATE.initErr2REQUIRES_VIOLATION, ULTIMATE.initErr13REQUIRES_VIOLATION, ULTIMATE.initErr12REQUIRES_VIOLATION, ULTIMATE.initErr1REQUIRES_VIOLATION, ULTIMATE.initErr0REQUIRES_VIOLATION, ULTIMATE.initErr11REQUIRES_VIOLATION, ULTIMATE.initErr10REQUIRES_VIOLATION, ULTIMATE.initErr9REQUIRES_VIOLATION, ULTIMATE.initErr8REQUIRES_VIOLATION, ULTIMATE.initErr7REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION]=== [2018-11-18 11:10:48,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:48,108 INFO L82 PathProgramCache]: Analyzing trace with hash 202773, now seen corresponding path program 1 times [2018-11-18 11:10:48,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:48,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:48,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:48,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:48,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:48,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:48,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:10:48,254 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:48,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:48,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:48,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:48,272 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2018-11-18 11:10:48,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:48,676 INFO L93 Difference]: Finished difference Result 135 states and 134 transitions. [2018-11-18 11:10:48,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:48,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-11-18 11:10:48,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:48,683 INFO L225 Difference]: With dead ends: 135 [2018-11-18 11:10:48,683 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 11:10:48,685 INFO L604 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 [2018-11-18 11:10:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 11:10:48,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 11:10:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 11:10:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 129 transitions. [2018-11-18 11:10:48,711 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 129 transitions. Word has length 3 [2018-11-18 11:10:48,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:48,712 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 129 transitions. [2018-11-18 11:10:48,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 129 transitions. [2018-11-18 11:10:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 11:10:48,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:48,712 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-11-18 11:10:48,712 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr6REQUIRES_VIOLATION, ULTIMATE.initErr5REQUIRES_VIOLATION, ULTIMATE.initErr4REQUIRES_VIOLATION, ULTIMATE.initErr3REQUIRES_VIOLATION, ULTIMATE.initErr2REQUIRES_VIOLATION, ULTIMATE.initErr13REQUIRES_VIOLATION, ULTIMATE.initErr12REQUIRES_VIOLATION, ULTIMATE.initErr1REQUIRES_VIOLATION, ULTIMATE.initErr0REQUIRES_VIOLATION, ULTIMATE.initErr11REQUIRES_VIOLATION, ULTIMATE.initErr10REQUIRES_VIOLATION, ULTIMATE.initErr9REQUIRES_VIOLATION, ULTIMATE.initErr8REQUIRES_VIOLATION, ULTIMATE.initErr7REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION]=== [2018-11-18 11:10:48,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:48,713 INFO L82 PathProgramCache]: Analyzing trace with hash 202774, now seen corresponding path program 1 times [2018-11-18 11:10:48,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:48,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:48,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:48,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:48,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:48,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:48,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:10:48,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:10:48,788 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:48,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:48,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:48,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:10:48,790 INFO L87 Difference]: Start difference. First operand 130 states and 129 transitions. Second operand 3 states. [2018-11-18 11:10:49,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:49,003 INFO L93 Difference]: Finished difference Result 83 states and 82 transitions. [2018-11-18 11:10:49,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:49,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-11-18 11:10:49,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:49,004 INFO L225 Difference]: With dead ends: 83 [2018-11-18 11:10:49,004 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:10:49,005 INFO L604 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 [2018-11-18 11:10:49,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:10:49,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:10:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:10:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:10:49,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-11-18 11:10:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:49,006 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:10:49,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:10:49,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:10:49,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:10:49 BoogieIcfgContainer [2018-11-18 11:10:49,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:10:49,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:10:49,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:10:49,010 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:10:49,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:48" (3/4) ... [2018-11-18 11:10:49,013 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:10:49,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:10:49,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:10:49,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 107 nodes and edges [2018-11-18 11:10:49,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 11:10:49,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 11:10:49,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 11:10:49,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 11:10:49,026 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:10:49,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6f42fed-e534-4211-9343-1618828c76e0/bin-2019/utaipan/witness.graphml [2018-11-18 11:10:49,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:10:49,077 INFO L168 Benchmark]: Toolchain (without parser) took 2039.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 952.7 MB in the beginning and 997.7 MB in the end (delta: -45.0 MB). Peak memory consumption was 119.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:49,078 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. [2018-11-18 11:10:49,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.75 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:49,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -222.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:49,079 INFO L168 Benchmark]: Boogie Preprocessor took 37.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:49,079 INFO L168 Benchmark]: RCFGBuilder took 691.12 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: 66.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:49,080 INFO L168 Benchmark]: TraceAbstraction took 981.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:49,080 INFO L168 Benchmark]: Witness Printer took 66.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:49,082 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 202.75 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -222.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 691.12 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: 66.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 981.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * Witness Printer took 66.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 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: 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: 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 - 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 95 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 183 locations, 95 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 SDtfs, 212 SDslu, 2 SDs, 0 SdLazy, 146 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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=183occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 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...