./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b --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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:57:37,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:57:37,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 21:57:37,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:57:37,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:57:37,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:57:37,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:57:37,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:57:37,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:57:37,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:57:37,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:57:37,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:57:37,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:57:37,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:57:37,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:57:37,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:57:37,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:57:37,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:57:37,568 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:57:37,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:57:37,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b 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 -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2024-12-05 21:57:37,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:57:37,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:57:37,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:57:37,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:57:37,819 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:57:37,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2024-12-05 21:57:40,424 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/data/aa2dbd9f1/5b60a7db02d44607a8e669ef4b221fa6/FLAG3b659a090 [2024-12-05 21:57:40,677 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:57:40,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2024-12-05 21:57:40,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/data/aa2dbd9f1/5b60a7db02d44607a8e669ef4b221fa6/FLAG3b659a090 [2024-12-05 21:57:40,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/data/aa2dbd9f1/5b60a7db02d44607a8e669ef4b221fa6 [2024-12-05 21:57:41,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:57:41,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:57:41,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:57:41,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:57:41,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:57:41,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:57:40" (1/1) ... [2024-12-05 21:57:41,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692c790e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41, skipping insertion in model container [2024-12-05 21:57:41,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:57:40" (1/1) ... [2024-12-05 21:57:41,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:57:41,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:57:41,337 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:57:41,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:57:41,420 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:57:41,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41 WrapperNode [2024-12-05 21:57:41,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:57:41,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:57:41,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:57:41,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:57:41,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,456 INFO L138 Inliner]: procedures = 164, calls = 69, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 29 [2024-12-05 21:57:41,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:57:41,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:57:41,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:57:41,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:57:41,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,470 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:57:41,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:57:41,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:57:41,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:57:41,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:57:41,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:57:41,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:57:41,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:57:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:57:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:57:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:57:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 21:57:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:57:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:57:41,598 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:57:41,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:57:41,663 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 21:57:41,663 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:57:41,702 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:57:41,703 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:57:41,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:57:41 BoogieIcfgContainer [2024-12-05 21:57:41,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:57:41,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:57:41,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:57:41,712 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:57:41,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:57:41" (1/1) ... [2024-12-05 21:57:41,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:57:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-12-05 21:57:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-12-05 21:57:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 21:57:41,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:41,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-12-05 21:57:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-12-05 21:57:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:57:41,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:41,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:42,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-12-05 21:57:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-12-05 21:57:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:57:42,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:42,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-12-05 21:57:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-12-05 21:57:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:57:42,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:42,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-12-05 21:57:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-12-05 21:57:42,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:57:42,899 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 21:57:42,907 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 21:57:42,936 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:57:42,936 INFO L77 FloydHoareUtils]: At program point L761(lines 761 763) the Hoare annotation is: (let ((.cse0 (select |ULTIMATE.start_main_old_#valid#1| 0))) (and (= (select |#valid| 0) .cse0) (= (store |#valid| 0 .cse0) |ULTIMATE.start_main_old_#valid#1|))) [2024-12-05 21:57:42,936 INFO L77 FloydHoareUtils]: At program point L759(line 759) the Hoare annotation is: (and (or (= (select |#valid| |ULTIMATE.start_entry_point_~p~0#1.base|) 1) (= |ULTIMATE.start_entry_point_~p~0#1.base| 0)) (= (store |#valid| |ULTIMATE.start_entry_point_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= |ULTIMATE.start_entry_point_~p~0#1.offset| 0) (< |ULTIMATE.start_entry_point_~p~0#1.base| |#StackHeapBarrier|)) [2024-12-05 21:57:42,937 INFO L77 FloydHoareUtils]: At program point L759-1(line 759) the Hoare annotation is: (and (or (= (select |#valid| |ULTIMATE.start_entry_point_~p~0#1.base|) 1) (= |ULTIMATE.start_entry_point_~p~0#1.base| 0)) (= (store |#valid| |ULTIMATE.start_entry_point_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (< |ULTIMATE.start_entry_point_~p~0#1.base| |#StackHeapBarrier|)) [2024-12-05 21:57:42,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE(line 759) no Hoare annotation was computed. [2024-12-05 21:57:42,937 INFO L77 FloydHoareUtils]: At program point L759-2(line 759) the Hoare annotation is: (and (or (= (select |#valid| |ULTIMATE.start_entry_point_~p~0#1.base|) 1) (= |ULTIMATE.start_entry_point_~p~0#1.base| 0)) (= (store |#valid| |ULTIMATE.start_entry_point_~p~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-05 21:57:42,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE(line 759) no Hoare annotation was computed. [2024-12-05 21:57:42,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE(line 759) no Hoare annotation was computed. [2024-12-05 21:57:42,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK(lines 761 763) no Hoare annotation was computed. [2024-12-05 21:57:42,937 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:57:42,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:57:42 ImpRootNode [2024-12-05 21:57:42,943 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:57:42,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:57:42,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:57:42,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:57:42,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:57:41" (3/4) ... [2024-12-05 21:57:42,947 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:57:42,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-05 21:57:42,953 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 21:57:42,953 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 21:57:43,019 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:57:43,020 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:57:43,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:57:43,020 INFO L158 Benchmark]: Toolchain (without parser) took 2018.82ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 60.7MB in the end (delta: 55.5MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-12-05 21:57:43,021 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:57:43,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.10ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 94.3MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:57:43,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.84ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:57:43,021 INFO L158 Benchmark]: Boogie Preprocessor took 18.17ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 91.7MB in the end (delta: 800.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:57:43,022 INFO L158 Benchmark]: RCFGBuilder took 227.52ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 78.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:57:43,022 INFO L158 Benchmark]: CodeCheck took 1239.66ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 64.9MB in the end (delta: 13.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-05 21:57:43,022 INFO L158 Benchmark]: Witness Printer took 75.83ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 60.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:57:43,024 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, 10 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 0 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 761]: 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 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.10ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 94.3MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.84ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.17ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 91.7MB in the end (delta: 800.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.52ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 78.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1239.66ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 64.9MB in the end (delta: 13.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 75.83ms. Allocated memory is still 142.6MB. Free memory was 64.9MB in the beginning and 60.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:57:43,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b4108b3-1dbe-418f-b0ca-fd4db191b116/bin/ukojak-verify-CZk0znPC7b/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