./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.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_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c -s /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/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 639853f2f40cff84155fe09902eff2b5a20185f5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:46:40,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:46:40,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:46:40,667 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:46:40,667 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:46:40,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:46:40,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:46:40,670 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:46:40,672 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:46:40,672 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:46:40,673 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:46:40,673 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:46:40,674 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:46:40,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:46:40,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:46:40,676 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:46:40,677 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:46:40,678 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:46:40,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:46:40,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:46:40,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:46:40,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:46:40,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:46:40,685 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:46:40,685 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:46:40,686 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:46:40,687 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:46:40,687 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:46:40,688 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:46:40,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:46:40,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:46:40,690 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:46:40,690 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:46:40,690 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:46:40,692 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:46:40,692 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:46:40,693 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:46:40,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:46:40,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:46:40,705 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:46:40,706 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:46:40,706 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:46:40,706 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:46:40,706 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:46:40,706 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:46:40,707 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:46:40,707 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:46:40,708 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:46:40,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:46:40,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:46:40,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:46:40,709 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:46:40,709 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:46:40,710 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:46:40,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:46:40,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:46:40,710 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:46:40,710 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:46:40,711 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:46:40,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:46:40,712 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:46:40,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:46:40,713 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:46:40,713 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:46:40,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:46:40,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:46:40,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:46:40,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:46:40,714 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:46:40,714 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:46:40,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:46:40,715 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_857eaa8d-c303-4b7f-896e-93a8e78fb77c/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 -> 639853f2f40cff84155fe09902eff2b5a20185f5 [2018-10-27 04:46:40,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:46:40,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:46:40,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:46:40,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:46:40,754 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:46:40,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c [2018-10-27 04:46:40,804 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/data/92d29cfc2/a6274002611445ca916ee017e1b842bf/FLAG5e4145f86 [2018-10-27 04:46:41,143 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:46:41,144 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c [2018-10-27 04:46:41,149 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/data/92d29cfc2/a6274002611445ca916ee017e1b842bf/FLAG5e4145f86 [2018-10-27 04:46:41,161 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/data/92d29cfc2/a6274002611445ca916ee017e1b842bf [2018-10-27 04:46:41,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:46:41,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:46:41,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:41,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:46:41,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:46:41,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267e2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41, skipping insertion in model container [2018-10-27 04:46:41,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:46:41,196 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:46:41,327 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:41,334 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:46:41,350 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:41,361 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:46:41,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41 WrapperNode [2018-10-27 04:46:41,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:41,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:41,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:46:41,362 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:46:41,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:41,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:46:41,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:46:41,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:46:41,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... [2018-10-27 04:46:41,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:46:41,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:46:41,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:46:41,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:46:41,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/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 [2018-10-27 04:46:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:46:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:46:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2018-10-27 04:46:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2018-10-27 04:46:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-10-27 04:46:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-10-27 04:46:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:46:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:46:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:46:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:46:42,126 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:46:42,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:42 BoogieIcfgContainer [2018-10-27 04:46:42,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:46:42,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:46:42,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:46:42,130 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:46:42,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:46:41" (1/3) ... [2018-10-27 04:46:42,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c24d3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:42, skipping insertion in model container [2018-10-27 04:46:42,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:41" (2/3) ... [2018-10-27 04:46:42,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c24d3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:42, skipping insertion in model container [2018-10-27 04:46:42,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:42" (3/3) ... [2018-10-27 04:46:42,135 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-read.c [2018-10-27 04:46:42,144 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:46:42,150 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-10-27 04:46:42,163 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-10-27 04:46:42,186 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:46:42,186 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:46:42,186 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:46:42,187 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:46:42,187 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:46:42,187 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:46:42,187 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:46:42,187 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:46:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-10-27 04:46:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 04:46:42,207 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:42,208 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:42,210 INFO L424 AbstractCegarLoop]: === Iteration 1 === [barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:42,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:42,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1656445411, now seen corresponding path program 1 times [2018-10-27 04:46:42,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:42,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:42,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:42,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:42,253 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:42,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:42,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:42,309 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:42,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 04:46:42,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 04:46:42,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 04:46:42,324 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-10-27 04:46:42,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:42,337 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-10-27 04:46:42,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 04:46:42,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-10-27 04:46:42,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:42,345 INFO L225 Difference]: With dead ends: 58 [2018-10-27 04:46:42,345 INFO L226 Difference]: Without dead ends: 55 [2018-10-27 04:46:42,346 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 04:46:42,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-27 04:46:42,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-27 04:46:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-27 04:46:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-10-27 04:46:42,377 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 11 [2018-10-27 04:46:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:42,378 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-10-27 04:46:42,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 04:46:42,378 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-10-27 04:46:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 04:46:42,379 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:42,379 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:42,379 INFO L424 AbstractCegarLoop]: === Iteration 2 === [barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:42,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:42,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1959785953, now seen corresponding path program 1 times [2018-10-27 04:46:42,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:42,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:42,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:42,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:42,381 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:42,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:42,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:46:42,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:42,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:46:42,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:46:42,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:42,550 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 5 states. [2018-10-27 04:46:42,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:42,807 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-10-27 04:46:42,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:46:42,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-10-27 04:46:42,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:42,810 INFO L225 Difference]: With dead ends: 71 [2018-10-27 04:46:42,810 INFO L226 Difference]: Without dead ends: 71 [2018-10-27 04:46:42,811 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:46:42,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-10-27 04:46:42,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-10-27 04:46:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-10-27 04:46:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-10-27 04:46:42,819 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 13 [2018-10-27 04:46:42,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:42,820 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-10-27 04:46:42,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:46:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-10-27 04:46:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 04:46:42,821 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:42,821 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:42,821 INFO L424 AbstractCegarLoop]: === Iteration 3 === [barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:42,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:42,822 INFO L82 PathProgramCache]: Analyzing trace with hash -22023793, now seen corresponding path program 1 times [2018-10-27 04:46:42,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:42,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:42,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:42,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:42,823 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:42,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:42,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:46:42,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:42,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:46:42,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:46:42,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:46:42,916 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 6 states. [2018-10-27 04:46:43,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:43,158 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2018-10-27 04:46:43,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:46:43,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-10-27 04:46:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:43,161 INFO L225 Difference]: With dead ends: 69 [2018-10-27 04:46:43,161 INFO L226 Difference]: Without dead ends: 69 [2018-10-27 04:46:43,162 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:46:43,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-10-27 04:46:43,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 64. [2018-10-27 04:46:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-10-27 04:46:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2018-10-27 04:46:43,169 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 17 [2018-10-27 04:46:43,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:43,169 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2018-10-27 04:46:43,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:46:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2018-10-27 04:46:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:46:43,170 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:43,170 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:43,171 INFO L424 AbstractCegarLoop]: === Iteration 4 === [barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:43,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:43,171 INFO L82 PathProgramCache]: Analyzing trace with hash -682737538, now seen corresponding path program 1 times [2018-10-27 04:46:43,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:43,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:43,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:43,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:43,172 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 04:46:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 04:46:43,232 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 04:46:43,245 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,248 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,248 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,248 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,249 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,249 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,249 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,250 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,250 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,250 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,250 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,250 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:46:43 BoogieIcfgContainer [2018-10-27 04:46:43,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:46:43,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 04:46:43,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 04:46:43,259 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 04:46:43,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:42" (3/4) ... [2018-10-27 04:46:43,261 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 04:46:43,263 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,263 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,263 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,263 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,264 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,264 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,264 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,264 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,264 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,265 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,265 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,265 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:43,304 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_857eaa8d-c303-4b7f-896e-93a8e78fb77c/bin-2019/utaipan/witness.graphml [2018-10-27 04:46:43,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 04:46:43,307 INFO L168 Benchmark]: Toolchain (without parser) took 2142.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -103.1 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:43,309 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:46:43,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.65 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:43,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:43,311 INFO L168 Benchmark]: Boogie Preprocessor took 50.48 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:46:43,311 INFO L168 Benchmark]: RCFGBuilder took 678.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:43,311 INFO L168 Benchmark]: TraceAbstraction took 1131.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:43,312 INFO L168 Benchmark]: Witness Printer took 46.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:43,315 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.65 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.48 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 678.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1131.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L32] RET int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i) [L21] CALL int a[n], i; [L21] RET int a[n], i; [L22] i = 0 [L22] COND FALSE !(i < size) [L25] CALL bar(a, size + 1) [L12] int res = 0, i; [L13] i = 0 [L13] COND TRUE i < size [L14] CALL b[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 58 locations, 11 error locations. UNSAFE Result, 1.0s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 159 SDtfs, 64 SDslu, 244 SDs, 0 SdLazy, 143 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=2, 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, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...