./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:39:00,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:39:00,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 03:39:00,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:39:00,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:39:00,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:39:00,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:39:00,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:39:00,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:39:00,554 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:39:00,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:39:00,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:39:00,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:39:00,556 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:39:00,556 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:39:00,557 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:39:00,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:39:00,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:39:00,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:39:00,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:39:00,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:39:00,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:39:00,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:39:00,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:39:00,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:39:00,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:39:00,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:39:00,563 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:39:00,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:39:00,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2023-12-03 03:39:00,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:39:00,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:39:00,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:39:00,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:39:00,817 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:39:00,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2023-12-03 03:39:03,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:39:03,956 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:39:03,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2023-12-03 03:39:03,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/data/b1ef2aeac/c1f0507e54ff4c4f9a9c213dbd7e6283/FLAG7c70862a8 [2023-12-03 03:39:03,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/data/b1ef2aeac/c1f0507e54ff4c4f9a9c213dbd7e6283 [2023-12-03 03:39:03,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:39:03,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:39:03,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:39:03,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:39:04,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:39:04,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:39:03" (1/1) ... [2023-12-03 03:39:04,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388c97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04, skipping insertion in model container [2023-12-03 03:39:04,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:39:03" (1/1) ... [2023-12-03 03:39:04,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:39:04,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:39:04,469 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:39:04,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:39:04,569 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:39:04,578 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:39:04,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04 WrapperNode [2023-12-03 03:39:04,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:39:04,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:39:04,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:39:04,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:39:04,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,632 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 21 [2023-12-03 03:39:04,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:39:04,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:39:04,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:39:04,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:39:04,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:39:04,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:39:04,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:39:04,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:39:04,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:39:04,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:39:04,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:39:04,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:39:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:39:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:39:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:39:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:39:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:39:04,862 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:39:04,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:39:04,943 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:39:04,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:39:04,970 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:39:04,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:39:04 BoogieIcfgContainer [2023-12-03 03:39:04,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:39:04,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:39:04,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:39:04,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:39:04,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:39:04" (1/1) ... [2023-12-03 03:39:04,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:39:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:39:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:39:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:39:05,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:05,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:39:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:39:05,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:39:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:39:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:39:05,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:39:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:39:05,299 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:39:05,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:39:05 ImpRootNode [2023-12-03 03:39:05,330 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:39:05,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:39:05,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:39:05,332 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:39:05,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:39:04" (3/4) ... [2023-12-03 03:39:05,333 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 03:39:05,366 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:39:05,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:39:05,368 INFO L158 Benchmark]: Toolchain (without parser) took 1372.08ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 119.4MB in the beginning and 182.7MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:39:05,368 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:39:05,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.94ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 96.9MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:39:05,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.23ms. Allocated memory is still 163.6MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:39:05,370 INFO L158 Benchmark]: Boogie Preprocessor took 24.52ms. Allocated memory is still 163.6MB. Free memory was 94.8MB in the beginning and 93.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:39:05,371 INFO L158 Benchmark]: RCFGBuilder took 313.09ms. Allocated memory is still 163.6MB. Free memory was 93.7MB in the beginning and 82.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:39:05,372 INFO L158 Benchmark]: CodeCheck took 357.43ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 82.2MB in the beginning and 184.8MB in the end (delta: -102.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:39:05,372 INFO L158 Benchmark]: Witness Printer took 35.67ms. Allocated memory is still 216.0MB. Free memory was 184.8MB in the beginning and 182.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:39:05,376 INFO L338 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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, InterpolantAutomatonStates: 0, 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) }; [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:1}] [L763] free(p) VAL [ldv_global_msg_list={1:0}, p={0:1}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.94ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 96.9MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.23ms. Allocated memory is still 163.6MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.52ms. Allocated memory is still 163.6MB. Free memory was 94.8MB in the beginning and 93.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.09ms. Allocated memory is still 163.6MB. Free memory was 93.7MB in the beginning and 82.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 357.43ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 82.2MB in the beginning and 184.8MB in the end (delta: -102.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.67ms. Allocated memory is still 216.0MB. Free memory was 184.8MB in the beginning and 182.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 03:39:05,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e463d45-6a1f-4e4e-86e4-c8db0f6bb522/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)