./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.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_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/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 46ca4cc321f66643bb303146077f836b6b81d33d ............................................................................................................................................................................................................................. 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 10:12:47,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:47,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:47,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:47,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:47,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:47,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:47,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:47,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:47,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:47,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:47,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:47,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:47,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:47,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:47,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:47,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:47,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:47,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:47,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:47,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:47,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:47,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:47,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:47,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:47,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:47,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:47,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:47,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:47,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:47,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:47,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:47,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:47,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:47,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:47,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:47,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:47,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:47,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:47,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:47,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:47,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:12:47,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:47,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:47,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:47,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:47,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:47,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:47,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:12:47,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:47,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:47,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:47,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:12:47,578 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:12:47,578 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:12:47,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:47,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:47,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:47,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:47,579 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:47,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:47,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:47,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:47,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:47,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:47,580 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:47,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:47,581 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_1d919893-338f-4528-86f8-95bee6ad0b9f/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 -> 46ca4cc321f66643bb303146077f836b6b81d33d [2019-10-22 10:12:47,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:47,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:47,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:47,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:47,629 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:47,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.i [2019-10-22 10:12:47,679 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/data/096d84ad6/2d09f6d03abb45fc9e3a753815ab4aa8/FLAGc4a747b3b [2019-10-22 10:12:48,126 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:48,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.i [2019-10-22 10:12:48,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/data/096d84ad6/2d09f6d03abb45fc9e3a753815ab4aa8/FLAGc4a747b3b [2019-10-22 10:12:48,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/data/096d84ad6/2d09f6d03abb45fc9e3a753815ab4aa8 [2019-10-22 10:12:48,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:48,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:48,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:48,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:48,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:48,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427f0342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48, skipping insertion in model container [2019-10-22 10:12:48,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,172 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:48,213 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:48,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:48,635 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:48,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:48,768 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:48,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48 WrapperNode [2019-10-22 10:12:48,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:48,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:48,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:48,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:48,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:48,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:48,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:48,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:48,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... [2019-10-22 10:12:48,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:48,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:48,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:48,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:48,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/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 10:12:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:12:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:12:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 10:12:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:49,389 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:49,389 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 10:12:49,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:49 BoogieIcfgContainer [2019-10-22 10:12:49,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:49,391 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:49,391 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:49,401 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:49,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:49" (1/1) ... [2019-10-22 10:12:49,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-10-22 10:12:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-10-22 10:12:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:12:49,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-10-22 10:12:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-10-22 10:12:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:12:49,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-10-22 10:12:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-10-22 10:12:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:12:49,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:49,904 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-10-22 10:12:49,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:49 ImpRootNode [2019-10-22 10:12:49,930 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:49,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:49,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:49,931 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:49,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:49" (3/4) ... [2019-10-22 10:12:49,934 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:12:49,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d919893-338f-4528-86f8-95bee6ad0b9f/bin/ukojak/witness.graphml [2019-10-22 10:12:49,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:49,973 INFO L168 Benchmark]: Toolchain (without parser) took 1815.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -98.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:49,973 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:49,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:49,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.38 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. [2019-10-22 10:12:49,975 INFO L168 Benchmark]: Boogie Preprocessor took 36.37 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:49,976 INFO L168 Benchmark]: RCFGBuilder took 519.07 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:49,976 INFO L168 Benchmark]: CodeCheck took 539.32 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:49,977 INFO L168 Benchmark]: Witness Printer took 40.16 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:49,980 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, 17 locations, 7 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 762]: 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) }; [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); [L759] int *p = (int *)ldv_malloc(sizeof(int)); [L760] COND TRUE \read(*p) [L527] COND FALSE !(__VERIFIER_nondet_int()) [L530] return 0; [L761] int *q = (int *)ldv_malloc(sizeof(int)); [L762] free(q) VAL [ldv_global_msg_list={2241:0}] [L762] free(q) VAL [ldv_global_msg_list={2241:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 611.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.38 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. * Boogie Preprocessor took 36.37 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 519.07 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * CodeCheck took 539.32 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Witness Printer took 40.16 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...