./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes4_false-valid-deref.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_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes4_false-valid-deref.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25981771a012eec333f97d8302486eae22970d9e ....................................................................................................................................................................................................................................................................................................... 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 [2018-11-10 05:59:01,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:59:01,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:59:01,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:59:01,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:59:01,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:59:01,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:59:01,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:59:01,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:59:01,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:59:01,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:59:01,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:59:01,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:59:01,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:59:01,087 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:59:01,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:59:01,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:59:01,089 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:59:01,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:59:01,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:59:01,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:59:01,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:59:01,094 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:59:01,094 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:59:01,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:59:01,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:59:01,096 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:59:01,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:59:01,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:59:01,097 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:59:01,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:59:01,101 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:59:01,101 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:59:01,101 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:59:01,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:59:01,102 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:59:01,102 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-10 05:59:01,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:59:01,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:59:01,110 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:59:01,111 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:59:01,111 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:59:01,111 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:59:01,111 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:59:01,111 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:59:01,111 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:59:01,111 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:59:01,112 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 05:59:01,112 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 05:59:01,112 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 05:59:01,112 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:59:01,112 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:59:01,112 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:59:01,112 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:59:01,112 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:59:01,113 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:59:01,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:59:01,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:59:01,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:59:01,113 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:59:01,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:59:01,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak 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 -> Kojak 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 -> 25981771a012eec333f97d8302486eae22970d9e [2018-11-10 05:59:01,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:59:01,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:59:01,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:59:01,153 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:59:01,153 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:59:01,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/scopes4_false-valid-deref.c [2018-11-10 05:59:01,198 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/data/fb63f3ba8/4a733051c46d4b8f800913f33bc4ba76/FLAGd7d7e62b4 [2018-11-10 05:59:01,538 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:59:01,539 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/sv-benchmarks/c/memsafety-ext3/scopes4_false-valid-deref.c [2018-11-10 05:59:01,544 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/data/fb63f3ba8/4a733051c46d4b8f800913f33bc4ba76/FLAGd7d7e62b4 [2018-11-10 05:59:01,555 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/data/fb63f3ba8/4a733051c46d4b8f800913f33bc4ba76 [2018-11-10 05:59:01,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:59:01,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:59:01,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:59:01,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:59:01,563 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:59:01,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11661478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01, skipping insertion in model container [2018-11-10 05:59:01,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:59:01,589 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:59:01,712 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:59:01,717 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:59:01,726 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:59:01,735 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:59:01,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01 WrapperNode [2018-11-10 05:59:01,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:59:01,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:59:01,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:59:01,736 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:59:01,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:59:01,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:59:01,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:59:01,758 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:59:01,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... [2018-11-10 05:59:01,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:59:01,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:59:01,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:59:01,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:59:01,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-10 05:59:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:59:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:59:02,020 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:59:02,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:59:02 BoogieIcfgContainer [2018-11-10 05:59:02,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:59:02,021 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:59:02,021 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:59:02,030 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:59:02,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:59:02" (1/1) ... [2018-11-10 05:59:02,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:59:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2018-11-10 05:59:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2018-11-10 05:59:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-10 05:59:02,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:59:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-10 05:59:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-10 05:59:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 05:59:02,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:59:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-11-10 05:59:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-11-10 05:59:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 05:59:02,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:59:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:59:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:59:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:59:02,427 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-10 05:59:02,443 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,444 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,444 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,444 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,445 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,445 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,445 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,445 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,446 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,446 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,447 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,447 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:59:02 ImpRootNode [2018-11-10 05:59:02,454 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:59:02,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:59:02,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:59:02,455 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:59:02,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:59:02" (3/4) ... [2018-11-10 05:59:02,457 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:59:02,458 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,458 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,459 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,459 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,459 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,459 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,460 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,460 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,460 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,460 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:59:02,460 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,461 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:59:02,492 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e26dc55b-3261-48d0-b210-e242a9337fec/bin-2019/ukojak/witness.graphml [2018-11-10 05:59:02,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:59:02,493 INFO L168 Benchmark]: Toolchain (without parser) took 934.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -102.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:02,494 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:59:02,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.34 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:02,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.92 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:02,495 INFO L168 Benchmark]: Boogie Preprocessor took 11.92 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:59:02,495 INFO L168 Benchmark]: RCFGBuilder took 250.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:02,496 INFO L168 Benchmark]: CodeCheck took 433.74 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:02,496 INFO L168 Benchmark]: Witness Printer took 37.81 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. [2018-11-10 05:59:02,498 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 5 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 22 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L18] CALL "%d\n" [L18] RET "%d\n" [L17] CALL, EXPR foo() [L12] int arr[123]; [L13] CALL, EXPR foo2() [L5] CALL int arr[1024]; [L5] RET int arr[1024]; [L6] CALL arr[194] = 13 [L6] RET arr[194] = 13 [L7] return arr + 1; [L7] RET return arr + 1; [L13] EXPR foo2() [L13] RET return foo2(); [L17] EXPR foo() [L17] int *a = foo(); [L18] CALL \read(*a) * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.34 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.92 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.92 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 250.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * CodeCheck took 433.74 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Witness Printer took 37.81 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.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ 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.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ 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.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ 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.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! Received shutdown request...