./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3_false-valid-free.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/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 45d8f1fefa9406356fb0099666dcc3ecb8351033 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:15:54,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:15:54,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:15:54,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:15:54,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:15:54,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:15:54,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:15:54,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:15:54,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:15:54,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:15:54,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:15:54,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:15:54,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:15:54,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:15:54,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:15:54,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:15:54,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:15:54,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:15:54,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:15:54,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:15:54,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:15:54,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:15:54,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:15:54,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:15:54,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:15:54,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:15:54,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:15:54,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:15:54,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:15:54,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:15:54,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:15:54,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:15:54,141 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:15:54,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:15:54,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:15:54,142 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:15:54,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-01 15:15:54,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:15:54,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:15:54,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:15:54,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:15:54,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:15:54,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:15:54,156 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:15:54,156 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:15:54,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:15:54,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:15:54,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:15:54,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:15:54,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:15:54,157 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:15:54,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:15:54,157 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_8ecfc55a-96fa-4fa7-9732-76a4366a800d/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 -> 45d8f1fefa9406356fb0099666dcc3ecb8351033 [2018-12-01 15:15:54,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:15:54,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:15:54,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:15:54,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:15:54,194 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:15:54,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3_false-valid-free.i [2018-12-01 15:15:54,231 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/data/3bdbf7386/57f0f0f37a794dcd9290c9db00b5664f/FLAG9086679ba [2018-12-01 15:15:54,602 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:15:54,602 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/sv-benchmarks/c/ldv-memsafety/memleaks_test3_false-valid-free.i [2018-12-01 15:15:54,610 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/data/3bdbf7386/57f0f0f37a794dcd9290c9db00b5664f/FLAG9086679ba [2018-12-01 15:15:54,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/data/3bdbf7386/57f0f0f37a794dcd9290c9db00b5664f [2018-12-01 15:15:54,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:15:54,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:15:54,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:15:54,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:15:54,966 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:15:54,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:15:54" (1/1) ... [2018-12-01 15:15:54,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e9e577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:54, skipping insertion in model container [2018-12-01 15:15:54,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:15:54" (1/1) ... [2018-12-01 15:15:54,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:15:54,998 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:15:55,174 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:15:55,218 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:15:55,260 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:15:55,300 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:15:55,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55 WrapperNode [2018-12-01 15:15:55,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:15:55,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:15:55,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:15:55,301 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:15:55,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:15:55,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:15:55,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:15:55,328 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:15:55,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:15:55,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:15:55,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:15:55,341 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:15:55,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/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 [2018-12-01 15:15:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:15:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:15:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 15:15:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:15:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:15:55,490 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:15:55,490 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-01 15:15:55,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:55 BoogieIcfgContainer [2018-12-01 15:15:55,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:15:55,491 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:15:55,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:15:55,497 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:15:55,497 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:55" (1/1) ... [2018-12-01 15:15:55,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:15:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:15:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-01 15:15:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-01 15:15:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 15:15:55,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:15:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:15:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:15:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:15:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:15:55,605 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-01 15:15:55,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:15:55 ImpRootNode [2018-12-01 15:15:55,619 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:15:55,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:15:55,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:15:55,619 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:15:55,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:55" (3/4) ... [2018-12-01 15:15:55,621 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 15:15:55,642 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8ecfc55a-96fa-4fa7-9732-76a4366a800d/bin-2019/ukojak/witness.graphml [2018-12-01 15:15:55,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:15:55,643 INFO L168 Benchmark]: Toolchain (without parser) took 682.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -87.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:15:55,644 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:15:55,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-12-01 15:15:55,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:15:55,644 INFO L168 Benchmark]: Boogie Preprocessor took 12.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:15:55,645 INFO L168 Benchmark]: RCFGBuilder took 149.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:15:55,645 INFO L168 Benchmark]: CodeCheck took 127.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-01 15:15:55,645 INFO L168 Benchmark]: Witness Printer took 23.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:15:55,647 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, 12 locations, 3 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1440]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1435] return (int *)__VERIFIER_nondet_pointer(); [L1439] int *p = h_unsafe(); [L1440] COND TRUE \read(*p) VAL [ldv_global_msg_list={5:0}] [L1440] free(p) VAL [ldv_global_msg_list={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 149.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * CodeCheck took 127.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 23.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...