./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/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_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/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_8c357a3e-08a1-4410-81d5-8794582a7e8f/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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:49,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:49,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:38:49,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:38:49,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:38:49,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:49,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:49,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:49,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:49,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:38:49,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:49,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:38:49,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:49,643 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:38:49,643 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:38:49,644 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:38:49,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:49,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:49,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:38:49,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:38:49,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:49,650 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:49,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:49,650 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:49,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:49,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:49,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:49,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:49,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:38:49,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:38:49,652 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_8c357a3e-08a1-4410-81d5-8794582a7e8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2024-11-08 23:38:49,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:49,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:49,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:49,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:49,964 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:49,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i Unable to find full path for "g++" [2024-11-08 23:38:51,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:52,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:52,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-11-08 23:38:52,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data/06f0ca91c/ccb09af4d8e04f359b905dc0b8b11bdf/FLAG7907bae56 [2024-11-08 23:38:52,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data/06f0ca91c/ccb09af4d8e04f359b905dc0b8b11bdf [2024-11-08 23:38:52,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:52,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:52,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:52,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:52,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:52,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:52" (1/1) ... [2024-11-08 23:38:52,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fda75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:52, skipping insertion in model container [2024-11-08 23:38:52,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:52" (1/1) ... [2024-11-08 23:38:52,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:53,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:53,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:53,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:53,412 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:53,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53 WrapperNode [2024-11-08 23:38:53,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:53,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:53,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:53,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:53,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,471 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2024-11-08 23:38:53,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:53,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:53,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:53,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:53,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:53,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:53,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:53,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:53,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:53" (1/1) ... [2024-11-08 23:38:53,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:53,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:53,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:53,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:38:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:38:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:38:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:53,764 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:53,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:53,922 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:53,926 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:54,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:54,016 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:38:54,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:54 BoogieIcfgContainer [2024-11-08 23:38:54,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:54,018 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:54,018 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:54,029 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:54,030 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:54" (1/1) ... [2024-11-08 23:38:54,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:38:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:38:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:38:54,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:54,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:38:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-11-08 23:38:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-08 23:38:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:38:54,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:54,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:54,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:54,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:54,652 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:38:54,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:54 ImpRootNode [2024-11-08 23:38:54,678 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:54,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:54,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:54,679 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:54,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:54" (3/4) ... [2024-11-08 23:38:54,683 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:38:54,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:54,685 INFO L158 Benchmark]: Toolchain (without parser) took 2086.63ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 115.3MB in the beginning and 162.6MB in the end (delta: -47.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:54,685 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:54,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.71ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 90.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:54,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.40ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:54,687 INFO L158 Benchmark]: Boogie Preprocessor took 32.48ms. Allocated memory is still 159.4MB. Free memory was 88.1MB in the beginning and 87.1MB in the end (delta: 957.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:54,688 INFO L158 Benchmark]: RCFGBuilder took 509.03ms. Allocated memory is still 159.4MB. Free memory was 87.1MB in the beginning and 72.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:38:54,689 INFO L158 Benchmark]: CodeCheck took 660.21ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 72.5MB in the beginning and 162.6MB in the end (delta: -90.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:54,689 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 203.4MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:54,697 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 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, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L771] CALL entry_point() [L767] CALL, EXPR f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; [L767] RET, EXPR f5() [L767] int *p = f5(); [L768] CALL g5(p) [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1:0}] [L768] RET g5(p) [L771] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.71ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 90.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.40ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.48ms. Allocated memory is still 159.4MB. Free memory was 88.1MB in the beginning and 87.1MB in the end (delta: 957.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.03ms. Allocated memory is still 159.4MB. Free memory was 87.1MB in the beginning and 72.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 660.21ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 72.5MB in the beginning and 162.6MB in the end (delta: -90.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 203.4MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:38:54,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/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_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/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_8c357a3e-08a1-4410-81d5-8794582a7e8f/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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:57,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:57,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 23:38:57,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:57,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:57,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:57,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:57,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:38:57,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:57,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:38:57,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:57,346 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:38:57,346 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:38:57,347 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:38:57,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:57,348 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:38:57,348 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:38:57,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:57,349 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:38:57,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:38:57,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:38:57,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:57,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:57,356 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:57,357 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:57,357 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:57,357 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:38:57,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:57,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:57,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:57,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:57,359 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:38:57,360 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:57,361 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:38:57,362 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_8c357a3e-08a1-4410-81d5-8794582a7e8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2024-11-08 23:38:57,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:57,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:57,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:57,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:57,819 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:57,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i Unable to find full path for "g++" [2024-11-08 23:38:59,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:39:00,205 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:39:00,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-11-08 23:39:00,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data/36f3fa7a2/7f0dece4f43a4c2294b2ca97094c8e83/FLAG10e029c89 [2024-11-08 23:39:00,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/data/36f3fa7a2/7f0dece4f43a4c2294b2ca97094c8e83 [2024-11-08 23:39:00,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:39:00,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:39:00,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:00,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:39:00,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:39:00,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:00" (1/1) ... [2024-11-08 23:39:00,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ac30b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:00, skipping insertion in model container [2024-11-08 23:39:00,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:00" (1/1) ... [2024-11-08 23:39:00,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:39:00,826 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:39:00,909 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:39:00,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:00,947 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 23:39:00,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:39:01,008 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:39:01,065 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:39:01,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:01,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:39:01,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:01,207 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:39:01,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01 WrapperNode [2024-11-08 23:39:01,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:01,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:01,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:39:01,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:39:01,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,267 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2024-11-08 23:39:01,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:01,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:39:01,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:39:01,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:39:01,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:39:01,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:39:01,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:39:01,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:39:01,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:39:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:39:01,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:39:01,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:39:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:39:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:39:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:39:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:39:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:39:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:39:01,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:39:01,505 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:39:01,655 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:39:01,655 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:39:01,726 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:39:01,726 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:39:01,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:01 BoogieIcfgContainer [2024-11-08 23:39:01,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:39:01,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:39:01,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:39:01,739 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:39:01,739 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:01" (1/1) ... [2024-11-08 23:39:01,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:39:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:39:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:39:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:39:01,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:01,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:01,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:01,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:39:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:01,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:01,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:39:01,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:39:02,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:39:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 23:39:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 23:39:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:39:02,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:02,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:02,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:02,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:02,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:39:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:02,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:39:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:02,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:39:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:02,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:02,335 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:39:02,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:39:02 ImpRootNode [2024-11-08 23:39:02,361 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:39:02,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:39:02,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:39:02,362 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:39:02,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:01" (3/4) ... [2024-11-08 23:39:02,365 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:39:02,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:39:02,368 INFO L158 Benchmark]: Toolchain (without parser) took 2113.58ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 54.2MB in the beginning and 60.8MB in the end (delta: -6.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:02,369 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:02,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 950.62ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 47.6MB in the end (delta: 6.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:02,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.66ms. Allocated memory is still 79.7MB. Free memory was 47.6MB in the beginning and 45.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:02,372 INFO L158 Benchmark]: Boogie Preprocessor took 24.52ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:02,373 INFO L158 Benchmark]: RCFGBuilder took 433.51ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 43.8MB in the beginning and 80.8MB in the end (delta: -37.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-08 23:39:02,373 INFO L158 Benchmark]: CodeCheck took 633.18ms. Allocated memory is still 109.1MB. Free memory was 80.8MB in the beginning and 61.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:39:02,375 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 109.1MB. Free memory was 61.3MB in the beginning and 60.8MB in the end (delta: 516.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:02,384 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, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 8 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, 0 NumberOfNonLiveVariables, 21 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: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L771] CALL entry_point() [L767] CALL, EXPR f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; [L767] RET, EXPR f5() [L767] int *p = f5(); [L768] CALL g5(p) [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1:0}] [L768] RET g5(p) [L771] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 950.62ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 47.6MB in the end (delta: 6.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.66ms. Allocated memory is still 79.7MB. Free memory was 47.6MB in the beginning and 45.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.52ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.51ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 43.8MB in the beginning and 80.8MB in the end (delta: -37.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * CodeCheck took 633.18ms. Allocated memory is still 109.1MB. Free memory was 80.8MB in the beginning and 61.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 109.1MB. Free memory was 61.3MB in the beginning and 60.8MB in the end (delta: 516.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:39:02,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c357a3e-08a1-4410-81d5-8794582a7e8f/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