./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk --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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:23:58,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:23:58,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-09 00:23:58,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:23:58,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:23:58,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:23:58,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:23:58,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:23:58,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:23:58,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:23:58,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:23:58,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:23:58,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:23:58,287 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:23:58,288 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:23:58,288 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:23:58,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:23:58,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:23:58,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:23:58,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:23:58,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:23:58,291 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:23:58,291 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:23:58,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:23:58,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:23:58,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:23:58,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:23:58,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:23:58,294 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:23:58,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:23:58,295 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_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2024-11-09 00:23:58,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:23:58,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:23:58,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:23:58,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:23:58,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:23:58,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i Unable to find full path for "g++" [2024-11-09 00:24:00,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:24:00,973 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:24:00,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-11-09 00:24:00,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data/7f217740d/e8251e80944f4119845060d76a7870d5/FLAGa02aeeb9d [2024-11-09 00:24:01,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data/7f217740d/e8251e80944f4119845060d76a7870d5 [2024-11-09 00:24:01,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:24:01,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:24:01,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:01,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:24:01,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:24:01,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7572cb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01, skipping insertion in model container [2024-11-09 00:24:01,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:01,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:01,608 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:24:01,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:01,761 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:24:01,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01 WrapperNode [2024-11-09 00:24:01,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:01,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:01,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:24:01,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:24:01,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,823 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 43 [2024-11-09 00:24:01,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:01,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:24:01,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:24:01,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:24:01,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:24:01,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:24:01,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:24:01,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:24:01,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01" (1/1) ... [2024-11-09 00:24:01,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:01,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:24:01,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:24:01,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:24:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:24:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:24:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:24:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:24:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:24:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:24:02,106 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:24:02,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:24:02,243 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 00:24:02,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:24:02,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:24:02,332 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:24:02,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:02 BoogieIcfgContainer [2024-11-09 00:24:02,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:24:02,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:24:02,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:24:02,347 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:24:02,347 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:24:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:24:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:24:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:24:02,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:02,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-09 00:24:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-09 00:24:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:24:02,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:02,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:02,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:02,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:02,786 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:24:02,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:24:02 ImpRootNode [2024-11-09 00:24:02,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:24:02,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:24:02,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:24:02,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:24:02,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:02" (3/4) ... [2024-11-09 00:24:02,818 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:24:02,819 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:24:02,820 INFO L158 Benchmark]: Toolchain (without parser) took 1802.12ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 66.7MB in the end (delta: 48.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:02,820 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:02,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.42ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 106.5MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:24:02,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.13ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:02,824 INFO L158 Benchmark]: Boogie Preprocessor took 33.00ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 102.9MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:24:02,824 INFO L158 Benchmark]: RCFGBuilder took 474.63ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 87.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:24:02,825 INFO L158 Benchmark]: CodeCheck took 476.97ms. Allocated memory is still 155.2MB. Free memory was 87.0MB in the beginning and 67.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:24:02,826 INFO L158 Benchmark]: Witness Printer took 7.90ms. Allocated memory is still 155.2MB. Free memory was 67.1MB in the beginning and 66.7MB in the end (delta: 448.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:02,829 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L775] CALL entry_point() [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; [L771] RET, EXPR alloc_unsafe_16(condition) [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) [L765] COND FALSE !(\read(condition)) VAL [ldv_global_msg_list={1:0}, p={-1:0}] [L772] RET free_16(p, condition) [L775] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.42ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 106.5MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.13ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.00ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 102.9MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 474.63ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 87.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 476.97ms. Allocated memory is still 155.2MB. Free memory was 87.0MB in the beginning and 67.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.90ms. Allocated memory is still 155.2MB. Free memory was 67.1MB in the beginning and 66.7MB in the end (delta: 448.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:24:02,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk --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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:24:05,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:24:05,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-09 00:24:05,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:24:05,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:24:05,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:24:05,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:24:05,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:24:05,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:24:05,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:24:05,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:24:05,368 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:24:05,368 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:24:05,369 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:24:05,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:24:05,370 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:24:05,370 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:24:05,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:24:05,371 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:24:05,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:24:05,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:24:05,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:24:05,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:24:05,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:24:05,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:24:05,376 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:05,377 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:24:05,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:24:05,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:05,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:24:05,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:24:05,380 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:24:05,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:05,381 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:24:05,381 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_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2024-11-09 00:24:05,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:24:05,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:24:05,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:24:05,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:24:05,771 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:24:05,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i Unable to find full path for "g++" [2024-11-09 00:24:07,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:24:08,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:24:08,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-11-09 00:24:08,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data/e5af44149/a43393c7a9504a71bbd2c3bbcd69dddc/FLAGa3a7e0b34 [2024-11-09 00:24:08,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/data/e5af44149/a43393c7a9504a71bbd2c3bbcd69dddc [2024-11-09 00:24:08,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:24:08,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:24:08,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:08,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:24:08,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:24:08,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:08" (1/1) ... [2024-11-09 00:24:08,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5838962a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:08, skipping insertion in model container [2024-11-09 00:24:08,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:08" (1/1) ... [2024-11-09 00:24:08,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:08,708 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:24:08,772 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:24:08,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:08,801 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-09 00:24:08,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:08,834 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:24:08,853 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:24:08,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:08,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:24:08,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:09,000 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:24:09,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09 WrapperNode [2024-11-09 00:24:09,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:09,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:09,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:24:09,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:24:09,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,068 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 42 [2024-11-09 00:24:09,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:09,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:24:09,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:24:09,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:24:09,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:24:09,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:24:09,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:24:09,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:24:09,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:24:09,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:24:09,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:24:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:24:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:24:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:24:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:24:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:24:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:24:09,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:24:09,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:24:09,498 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 00:24:09,501 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:24:09,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:24:09,588 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:24:09,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:09 BoogieIcfgContainer [2024-11-09 00:24:09,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:24:09,590 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:24:09,590 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:24:09,600 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:24:09,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:09" (1/1) ... [2024-11-09 00:24:09,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:24:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:24:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:24:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:24:09,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:09,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:09,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:09,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:09,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:24:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:24:09,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:10,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:24:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:10,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-09 00:24:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-09 00:24:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:24:10,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:10,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:10,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:10,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:10,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:24:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:10,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:10,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:10,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:10,267 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:24:10,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:24:10 ImpRootNode [2024-11-09 00:24:10,298 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:24:10,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:24:10,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:24:10,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:24:10,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:09" (3/4) ... [2024-11-09 00:24:10,302 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:24:10,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:24:10,305 INFO L158 Benchmark]: Toolchain (without parser) took 2123.69ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.2MB in the beginning and 62.4MB in the end (delta: -14.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-09 00:24:10,306 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:10,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.36ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.0MB in the beginning and 54.2MB in the end (delta: -6.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:24:10,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.38ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 52.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:10,310 INFO L158 Benchmark]: Boogie Preprocessor took 25.76ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 50.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:10,310 INFO L158 Benchmark]: RCFGBuilder took 493.83ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 58.4MB in the end (delta: -8.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-09 00:24:10,312 INFO L158 Benchmark]: CodeCheck took 708.67ms. Allocated memory is still 94.4MB. Free memory was 58.4MB in the beginning and 62.9MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:10,313 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 94.4MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:10,315 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L775] CALL entry_point() [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; [L771] RET, EXPR alloc_unsafe_16(condition) [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) [L765] COND FALSE !(\read(condition)) VAL [ldv_global_msg_list={1:0}, p={2:0}] [L772] RET free_16(p, condition) [L775] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.36ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.0MB in the beginning and 54.2MB in the end (delta: -6.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.38ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 52.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.76ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 50.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.83ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 58.4MB in the end (delta: -8.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 708.67ms. Allocated memory is still 94.4MB. Free memory was 58.4MB in the beginning and 62.9MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 94.4MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:24:10,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f12f66-4431-4357-8fe8-6f3b4f4814cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample