./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.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_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/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_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/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_425e45c4-b56e-497b-9801-053c8fc9bfa4/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 8cad73f64954eeb86e2707e579f8aca932182fe823da421e8ece02d4d63f0cc3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:35,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:35,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 22:43:35,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:43:35,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:43:35,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:35,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:35,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:35,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:35,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:43:35,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:43:35,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:43:35,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:35,446 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:43:35,446 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:43:35,447 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:43:35,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:35,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:35,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:43:35,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:43:35,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:35,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:35,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:35,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:35,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:35,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:35,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:35,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:35,458 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:43:35,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:43:35,459 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_425e45c4-b56e-497b-9801-053c8fc9bfa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cad73f64954eeb86e2707e579f8aca932182fe823da421e8ece02d4d63f0cc3 [2024-11-08 22:43:35,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:35,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:35,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:35,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:35,787 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:35,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i Unable to find full path for "g++" [2024-11-08 22:43:37,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:37,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:37,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2024-11-08 22:43:38,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/data/35aac50bc/a06e79c142dd4ce1ab68a4cde05cea4c/FLAG01ab2bc6d [2024-11-08 22:43:38,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/data/35aac50bc/a06e79c142dd4ce1ab68a4cde05cea4c [2024-11-08 22:43:38,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:38,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:38,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:38,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:38,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:38,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662d7db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38, skipping insertion in model container [2024-11-08 22:43:38,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:38,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:38,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:43:38,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:38,775 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:43:38,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38 WrapperNode [2024-11-08 22:43:38,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:38,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:38,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:43:38,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:43:38,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,822 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 46 [2024-11-08 22:43:38,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:38,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:43:38,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:43:38,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:43:38,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:43:38,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:43:38,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:43:38,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:43:38,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:38" (1/1) ... [2024-11-08 22:43:38,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:38,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:43:38,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:43:38,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:43:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:43:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:43:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:43:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:43:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:43:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:43:39,030 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:43:39,033 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:43:39,149 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 22:43:39,150 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:43:39,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:43:39,317 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:43:39,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:39 BoogieIcfgContainer [2024-11-08 22:43:39,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:43:39,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:43:39,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:43:39,330 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:43:39,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:39" (1/1) ... [2024-11-08 22:43:39,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:43:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:43:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:43:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:43:39,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:39,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:39,953 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 22:43:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 22:43:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 22:43:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:43:40,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:40,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:40,204 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 22:43:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-08 22:43:40,505 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-08 22:43:40,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:43:40,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:40,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:40,659 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 22:43:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:43:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:43:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:43:40,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:41,160 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 22:43:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:41,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 22:43:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 22:43:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:43:41,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:42,136 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 22:43:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-08 22:43:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-08 22:43:43,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:43:43,029 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 22:43:43,040 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 22:43:43,112 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:43:43,113 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE(line 772) no Hoare annotation was computed. [2024-11-08 22:43:43,113 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE(line 772) no Hoare annotation was computed. [2024-11-08 22:43:43,113 INFO L77 FloydHoareUtils]: At program point L779(lines 779 781) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-08 22:43:43,113 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK(lines 779 781) no Hoare annotation was computed. [2024-11-08 22:43:43,114 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:43:43,114 INFO L77 FloydHoareUtils]: At program point L769(lines 769 774) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-08 22:43:43,114 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE(line 772) no Hoare annotation was computed. [2024-11-08 22:43:43,114 INFO L77 FloydHoareUtils]: At program point L772(line 772) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_free_21_~p~1#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_21_~p~1#1.base| 0)) (< |ULTIMATE.start_free_21_~p~1#1.base| |#StackHeapBarrier|) (= 0 |ULTIMATE.start_free_21_~p~1#1.offset|)) [2024-11-08 22:43:43,115 INFO L77 FloydHoareUtils]: At program point L772-1(line 772) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_free_21_~p~1#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_free_21_~p~1#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_21_~p~1#1.base| 0))) [2024-11-08 22:43:43,115 INFO L77 FloydHoareUtils]: At program point L770(lines 770 773) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_free_21_~dev#1.offset| 1))) (and (or (< |ULTIMATE.start_free_21_~dev#1.base| |#StackHeapBarrier|) .cse0) (or (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (< 3 |ULTIMATE.start_free_21_~dev#1.offset|)) (or .cse0 (= (store |#valid| |ULTIMATE.start_free_21_~dev#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) (or (= (select |#valid| |ULTIMATE.start_free_21_~dev#1.base|) 1) .cse0) (or (= 4 |ULTIMATE.start_free_21_~dev#1.offset|) (and (= |ULTIMATE.start_free_21_~dev#1.offset| 0) (= |ULTIMATE.start_free_21_~dev#1.base| 0))))) [2024-11-08 22:43:43,115 INFO L77 FloydHoareUtils]: At program point L772-2(line 772) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_free_21_~p~1#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_21_~p~1#1.base| 0))) [2024-11-08 22:43:43,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:43:43 ImpRootNode [2024-11-08 22:43:43,122 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:43:43,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:43:43,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:43:43,124 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:43:43,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:39" (3/4) ... [2024-11-08 22:43:43,127 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:43:43,134 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 22:43:43,134 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 22:43:43,134 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 22:43:43,234 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:43:43,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:43:43,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:43:43,238 INFO L158 Benchmark]: Toolchain (without parser) took 5207.91ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 100.7MB in the beginning and 98.2MB in the end (delta: 2.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-11-08 22:43:43,238 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:43,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 744.21ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 75.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 22:43:43,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 140.5MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:43:43,239 INFO L158 Benchmark]: Boogie Preprocessor took 25.54ms. Allocated memory is still 140.5MB. Free memory was 73.7MB in the beginning and 72.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:43,240 INFO L158 Benchmark]: RCFGBuilder took 468.36ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 72.3MB in the beginning and 149.5MB in the end (delta: -77.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-08 22:43:43,243 INFO L158 Benchmark]: CodeCheck took 3803.97ms. Allocated memory is still 182.5MB. Free memory was 149.5MB in the beginning and 102.4MB in the end (delta: 47.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-08 22:43:43,244 INFO L158 Benchmark]: Witness Printer took 114.05ms. Allocated memory is still 182.5MB. Free memory was 102.4MB in the beginning and 98.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:43:43,246 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: 3.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 0 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 779]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 744.21ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 75.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 140.5MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.54ms. Allocated memory is still 140.5MB. Free memory was 73.7MB in the beginning and 72.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.36ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 72.3MB in the beginning and 149.5MB in the end (delta: -77.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * CodeCheck took 3803.97ms. Allocated memory is still 182.5MB. Free memory was 149.5MB in the beginning and 102.4MB in the end (delta: 47.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Witness Printer took 114.05ms. Allocated memory is still 182.5MB. Free memory was 102.4MB in the beginning and 98.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:43:43,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e45c4-b56e-497b-9801-053c8fc9bfa4/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: TRUE