./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.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_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/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 a6853fb9e064ccfef5e54a8bac94eb86beeed80f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:46:38,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:46:38,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:46:38,087 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:46:38,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:46:38,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:46:38,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:46:38,090 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:46:38,091 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:46:38,092 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:46:38,093 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:46:38,093 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:46:38,094 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:46:38,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:46:38,095 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:46:38,096 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:46:38,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:46:38,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:46:38,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:46:38,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:46:38,101 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:46:38,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:46:38,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:46:38,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:46:38,105 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:46:38,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:46:38,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:46:38,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:46:38,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:46:38,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:46:38,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:46:38,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:46:38,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:46:38,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:46:38,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:46:38,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:46:38,111 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:46:38,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:46:38,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:46:38,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:46:38,122 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:46:38,123 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:46:38,123 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:46:38,123 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:46:38,123 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:46:38,123 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:46:38,123 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:46:38,123 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:46:38,124 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:46:38,125 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:46:38,125 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:46:38,125 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:46:38,125 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:46:38,125 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:46:38,125 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:46:38,125 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:46:38,126 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:46:38,126 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:46:38,126 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:46:38,126 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:46:38,126 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:46:38,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:46:38,126 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:46:38,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:46:38,127 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:46:38,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:46:38,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:46:38,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:46:38,127 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:46:38,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:46:38,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:46:38,127 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_6e17bb43-aa7f-42cb-a895-55f54008a1e4/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 -> a6853fb9e064ccfef5e54a8bac94eb86beeed80f [2018-10-27 04:46:38,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:46:38,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:46:38,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:46:38,167 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:46:38,167 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:46:38,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c [2018-10-27 04:46:38,215 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/data/6d7f37152/4c70b1d4687f4f76a0aae640b50416c0/FLAG0f9dddaef [2018-10-27 04:46:38,589 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:46:38,590 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c [2018-10-27 04:46:38,593 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/data/6d7f37152/4c70b1d4687f4f76a0aae640b50416c0/FLAG0f9dddaef [2018-10-27 04:46:38,606 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/data/6d7f37152/4c70b1d4687f4f76a0aae640b50416c0 [2018-10-27 04:46:38,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:46:38,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:46:38,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:38,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:46:38,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:46:38,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa72dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38, skipping insertion in model container [2018-10-27 04:46:38,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:46:38,641 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:46:38,758 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:38,765 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:46:38,779 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:38,792 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:46:38,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38 WrapperNode [2018-10-27 04:46:38,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:38,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:38,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:46:38,793 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:46:38,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:38,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:46:38,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:46:38,830 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:46:38,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... [2018-10-27 04:46:38,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:46:38,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:46:38,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:46:38,854 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:46:38,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/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 04:46:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:46:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:46:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2018-10-27 04:46:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2018-10-27 04:46:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-10-27 04:46:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-10-27 04:46:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:46:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:46:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:46:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:46:39,451 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:46:39,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:39 BoogieIcfgContainer [2018-10-27 04:46:39,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:46:39,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:46:39,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:46:39,456 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:46:39,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:46:38" (1/3) ... [2018-10-27 04:46:39,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457ba89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:39, skipping insertion in model container [2018-10-27 04:46:39,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:38" (2/3) ... [2018-10-27 04:46:39,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457ba89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:39, skipping insertion in model container [2018-10-27 04:46:39,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:39" (3/3) ... [2018-10-27 04:46:39,459 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-write.c [2018-10-27 04:46:39,467 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:46:39,473 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-10-27 04:46:39,486 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-10-27 04:46:39,509 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:46:39,510 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:46:39,510 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:46:39,510 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:46:39,510 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:46:39,510 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:46:39,510 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:46:39,510 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:46:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-10-27 04:46:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 04:46:39,531 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:39,532 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:39,534 INFO L424 AbstractCegarLoop]: === Iteration 1 === [barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:39,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:39,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1656445411, now seen corresponding path program 1 times [2018-10-27 04:46:39,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:39,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:39,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:39,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:39,584 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:39,646 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 04:46:39,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:39,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:39,649 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:39,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 04:46:39,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 04:46:39,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 04:46:39,667 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-10-27 04:46:39,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:39,683 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-10-27 04:46:39,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 04:46:39,684 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-10-27 04:46:39,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:39,693 INFO L225 Difference]: With dead ends: 58 [2018-10-27 04:46:39,693 INFO L226 Difference]: Without dead ends: 55 [2018-10-27 04:46:39,695 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 04:46:39,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-27 04:46:39,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-27 04:46:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-27 04:46:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-10-27 04:46:39,731 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 11 [2018-10-27 04:46:39,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:39,731 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-10-27 04:46:39,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 04:46:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-10-27 04:46:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 04:46:39,732 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:39,732 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:39,733 INFO L424 AbstractCegarLoop]: === Iteration 2 === [barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:39,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:39,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1959785953, now seen corresponding path program 1 times [2018-10-27 04:46:39,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:39,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:39,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:39,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:39,736 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:39,943 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 04:46:39,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:39,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:46:39,944 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:39,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:46:39,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:46:39,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:46:39,945 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 6 states. [2018-10-27 04:46:40,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:40,403 INFO L93 Difference]: Finished difference Result 92 states and 110 transitions. [2018-10-27 04:46:40,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 04:46:40,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-10-27 04:46:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:40,408 INFO L225 Difference]: With dead ends: 92 [2018-10-27 04:46:40,408 INFO L226 Difference]: Without dead ends: 92 [2018-10-27 04:46:40,409 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:46:40,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-27 04:46:40,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 66. [2018-10-27 04:46:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-10-27 04:46:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2018-10-27 04:46:40,422 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 13 [2018-10-27 04:46:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:40,423 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2018-10-27 04:46:40,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:46:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2018-10-27 04:46:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 04:46:40,423 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:40,424 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:40,424 INFO L424 AbstractCegarLoop]: === Iteration 3 === [barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:40,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash -632290283, now seen corresponding path program 1 times [2018-10-27 04:46:40,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:40,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:40,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:40,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:40,426 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:40,463 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 04:46:40,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:40,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:46:40,463 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:40,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:40,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:40,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:40,464 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand 3 states. [2018-10-27 04:46:40,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:40,514 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2018-10-27 04:46:40,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:40,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-10-27 04:46:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:40,518 INFO L225 Difference]: With dead ends: 71 [2018-10-27 04:46:40,518 INFO L226 Difference]: Without dead ends: 71 [2018-10-27 04:46:40,518 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:40,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-10-27 04:46:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-10-27 04:46:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-10-27 04:46:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2018-10-27 04:46:40,523 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 12 [2018-10-27 04:46:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:40,524 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2018-10-27 04:46:40,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-10-27 04:46:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 04:46:40,524 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:40,524 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:40,525 INFO L424 AbstractCegarLoop]: === Iteration 4 === [barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:40,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:40,525 INFO L82 PathProgramCache]: Analyzing trace with hash 623822465, now seen corresponding path program 1 times [2018-10-27 04:46:40,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:40,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:40,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:40,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:40,526 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:40,861 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 04:46:40,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:40,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:46:40,861 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:40,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:46:40,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:46:40,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:46:40,862 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand 6 states. [2018-10-27 04:46:41,155 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-27 04:46:41,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:41,350 INFO L93 Difference]: Finished difference Result 92 states and 106 transitions. [2018-10-27 04:46:41,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 04:46:41,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-10-27 04:46:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:41,351 INFO L225 Difference]: With dead ends: 92 [2018-10-27 04:46:41,351 INFO L226 Difference]: Without dead ends: 92 [2018-10-27 04:46:41,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:46:41,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-27 04:46:41,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 79. [2018-10-27 04:46:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-10-27 04:46:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 94 transitions. [2018-10-27 04:46:41,360 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 94 transitions. Word has length 14 [2018-10-27 04:46:41,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:41,361 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 94 transitions. [2018-10-27 04:46:41,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:46:41,361 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2018-10-27 04:46:41,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 04:46:41,361 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:41,361 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:41,362 INFO L424 AbstractCegarLoop]: === Iteration 5 === [barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:41,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:41,362 INFO L82 PathProgramCache]: Analyzing trace with hash -2136339997, now seen corresponding path program 1 times [2018-10-27 04:46:41,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:41,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:41,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:41,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:41,363 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:41,427 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 04:46:41,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:41,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:46:41,427 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:41,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:46:41,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:46:41,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:46:41,428 INFO L87 Difference]: Start difference. First operand 79 states and 94 transitions. Second operand 4 states. [2018-10-27 04:46:41,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:41,515 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2018-10-27 04:46:41,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:46:41,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-10-27 04:46:41,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:41,517 INFO L225 Difference]: With dead ends: 90 [2018-10-27 04:46:41,517 INFO L226 Difference]: Without dead ends: 90 [2018-10-27 04:46:41,517 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:41,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-27 04:46:41,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 78. [2018-10-27 04:46:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-27 04:46:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2018-10-27 04:46:41,525 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 15 [2018-10-27 04:46:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:41,525 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2018-10-27 04:46:41,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:46:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2018-10-27 04:46:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 04:46:41,526 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:41,526 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:41,527 INFO L424 AbstractCegarLoop]: === Iteration 6 === [barErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, barErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, fooErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:41,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:41,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1802030397, now seen corresponding path program 1 times [2018-10-27 04:46:41,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:41,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:41,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:41,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:41,528 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 04:46:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 04:46:41,583 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 04:46:41,596 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,597 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,597 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,598 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,598 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,598 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,598 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,599 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,599 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,599 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,600 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,600 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,600 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,601 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,601 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,601 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,602 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,605 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,606 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,606 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:46:41 BoogieIcfgContainer [2018-10-27 04:46:41,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:46:41,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 04:46:41,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 04:46:41,616 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 04:46:41,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:39" (3/4) ... [2018-10-27 04:46:41,619 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 04:46:41,620 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,620 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,622 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,622 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,622 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,625 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,625 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 04:46:41,658 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e17bb43-aa7f-42cb-a895-55f54008a1e4/bin-2019/utaipan/witness.graphml [2018-10-27 04:46:41,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 04:46:41,659 INFO L168 Benchmark]: Toolchain (without parser) took 3049.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 954.5 MB in the beginning and 1.0 GB in the end (delta: -58.0 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:41,660 INFO L168 Benchmark]: CDTParser took 0.14 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 04:46:41,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.58 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:41,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:41,661 INFO L168 Benchmark]: Boogie Preprocessor took 24.12 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:46:41,662 INFO L168 Benchmark]: RCFGBuilder took 597.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:41,662 INFO L168 Benchmark]: TraceAbstraction took 2162.64 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: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:41,663 INFO L168 Benchmark]: Witness Printer took 42.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:41,666 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 181.58 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.12 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 597.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2162.64 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: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 11.5 GB. * Witness Printer took 42.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 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 - 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 + 1) [L21] CALL int a[n], i; [L21] RET int a[n], i; [L22] i = 0 [L22] COND TRUE i < size [L23] CALL, EXPR b[i] [L23] RET, EXPR b[i] [L23] CALL a[i] = b[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 58 locations, 11 error locations. UNSAFE Result, 2.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 279 SDtfs, 137 SDslu, 371 SDs, 0 SdLazy, 355 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=4, 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, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...