./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/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 0a480b43493b4a406f6a675d8a5e935efaa91b88 ........................................................................................................................................................................................................ 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 0.1.24-cad4683 [2019-10-22 10:16:41,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:41,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:41,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:41,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:41,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:41,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:41,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:41,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:41,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:41,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:41,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:41,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:41,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:41,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:41,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:41,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:41,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:41,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:41,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:41,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:41,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:41,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:41,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:41,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:41,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:41,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:41,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:41,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:41,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:41,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:41,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:41,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:41,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:41,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:41,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:41,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:41,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:41,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:41,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:41,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:41,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:16:41,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:41,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:41,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:41,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:41,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:41,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:41,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:16:41,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:41,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:41,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:41,570 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:16:41,570 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:16:41,570 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:16:41,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:41,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:41,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:41,571 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:41,571 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:41,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:41,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:41,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:41,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:41,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:41,572 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:41,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:41,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/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 -> 0a480b43493b4a406f6a675d8a5e935efaa91b88 [2019-10-22 10:16:41,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:41,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:41,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:41,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:41,611 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:41,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2019-10-22 10:16:41,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/data/cc545d7c2/29c70bb612a341068aaf2b6ab3620bf4/FLAG15f8d5eb7 [2019-10-22 10:16:42,108 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:42,109 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2019-10-22 10:16:42,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/data/cc545d7c2/29c70bb612a341068aaf2b6ab3620bf4/FLAG15f8d5eb7 [2019-10-22 10:16:42,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/data/cc545d7c2/29c70bb612a341068aaf2b6ab3620bf4 [2019-10-22 10:16:42,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:42,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:42,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:42,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:42,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:42,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4158f227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42, skipping insertion in model container [2019-10-22 10:16:42,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,150 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:42,188 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:42,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:42,653 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:42,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:42,788 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:42,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42 WrapperNode [2019-10-22 10:16:42,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:42,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:42,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:42,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:42,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:42,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:42,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:42,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:42,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:42,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:42,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:42,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:42,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/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 [2019-10-22 10:16:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:16:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:16:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 10:16:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:43,258 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:43,258 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 10:16:43,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:43 BoogieIcfgContainer [2019-10-22 10:16:43,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:43,260 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:43,260 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:43,273 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:43,273 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:43" (1/1) ... [2019-10-22 10:16:43,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:43,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 10:16:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 10:16:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:16:43,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:43,473 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-10-22 10:16:43,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:43 ImpRootNode [2019-10-22 10:16:43,495 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:43,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:43,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:43,496 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:43,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:43" (3/4) ... [2019-10-22 10:16:43,499 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:16:43,532 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73288a97-270c-4657-9bab-d0f0ff6402f1/bin/ukojak/witness.graphml [2019-10-22 10:16:43,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:43,534 INFO L168 Benchmark]: Toolchain (without parser) took 1397.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -129.9 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,535 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:43,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,536 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:43,537 INFO L168 Benchmark]: RCFGBuilder took 401.41 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,537 INFO L168 Benchmark]: CodeCheck took 235.17 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,537 INFO L168 Benchmark]: Witness Printer took 36.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:43,540 INFO L335 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, 11 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L759] return (int *)__VERIFIER_nondet_pointer(); [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={-1:0}] [L763] free(p) VAL [ldv_global_msg_list={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 652.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 401.41 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 235.17 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...