./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.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_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3 --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 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:46:19,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:46:19,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 02:46:19,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:46:19,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:46:19,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:46:19,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:46:19,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:46:19,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:46:19,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:46:19,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:46:19,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:46:19,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:46:19,939 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:46:19,940 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:46:19,940 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:46:19,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:46:19,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:46:19,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:46:19,940 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:46:19,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:46:19,940 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:46:19,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:46:19,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:46:19,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:46:19,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:46:19,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:46:19,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:46:19,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:46:19,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:46:19,942 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_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3 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 -> 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf [2024-11-25 02:46:20,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:46:20,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:46:20,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:46:20,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:46:20,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:46:20,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2024-11-25 02:46:23,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/data/a6bacb2bc/9b5169820a18408db01b3998ba152633/FLAG01de4b9ad [2024-11-25 02:46:23,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:46:23,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2024-11-25 02:46:23,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/data/a6bacb2bc/9b5169820a18408db01b3998ba152633/FLAG01de4b9ad [2024-11-25 02:46:23,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/data/a6bacb2bc/9b5169820a18408db01b3998ba152633 [2024-11-25 02:46:23,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:46:23,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:46:23,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:46:23,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:46:23,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:46:23,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:46:23" (1/1) ... [2024-11-25 02:46:23,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed2bb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:23, skipping insertion in model container [2024-11-25 02:46:23,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:46:23" (1/1) ... [2024-11-25 02:46:23,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:46:24,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:46:24,220 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:46:24,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:46:24,318 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:46:24,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24 WrapperNode [2024-11-25 02:46:24,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:46:24,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:46:24,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:46:24,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:46:24,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,359 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 34 [2024-11-25 02:46:24,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:46:24,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:46:24,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:46:24,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:46:24,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:46:24,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:46:24,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:46:24,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:46:24,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:46:24,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:46:24,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:46:24,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:46:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 02:46:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:46:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:46:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 02:46:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:46:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:46:24,570 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:46:24,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:46:24,694 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:46:24,695 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:46:24,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:46:24,775 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:46:24,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:24 BoogieIcfgContainer [2024-11-25 02:46:24,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:46:24,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:46:24,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:46:24,790 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:46:24,790 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:24" (1/1) ... [2024-11-25 02:46:24,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:46:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:24,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:46:24,852 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:46:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:46:24,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:24,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:46:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 02:46:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 02:46:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:46:25,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:25,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:46:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-25 02:46:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-25 02:46:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:46:25,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:25,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:46:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:46:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:46:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:46:26,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:26,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:46:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 02:46:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 02:46:26,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:46:26,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:46:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-25 02:46:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-25 02:46:27,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:46:27,844 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 02:46:27,859 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 02:46:27,923 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:46:27,923 INFO L77 FloydHoareUtils]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (= ~a8~0.base 0))) (and (or .cse0 (= (select |#valid| ~a8~0.base) 1)) (= ~a8~0.offset 0) (or (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (not .cse0)) (or (< ~a8~0.base |#StackHeapBarrier|) .cse0) (or (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| ~a8~0.base 0)) .cse0))) [2024-11-25 02:46:27,924 INFO L77 FloydHoareUtils]: At program point L762-1(line 762) the Hoare annotation is: (and (or (= ~a8~0.base 0) (= (select |#valid| ~a8~0.base) 1)) (= ~a8~0.offset 0) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| ~a8~0.base 0)) (< ~a8~0.base |#StackHeapBarrier|)) [2024-11-25 02:46:27,924 INFO L77 FloydHoareUtils]: At program point L762-2(line 762) the Hoare annotation is: (and (or (= ~a8~0.base 0) (= (select |#valid| ~a8~0.base) 1)) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| ~a8~0.base 0)) (< ~a8~0.base |#StackHeapBarrier|)) [2024-11-25 02:46:27,924 INFO L77 FloydHoareUtils]: At program point L762-3(line 762) the Hoare annotation is: (and (or (= ~a8~0.base 0) (= (select |#valid| ~a8~0.base) 1)) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| ~a8~0.base 0))) [2024-11-25 02:46:27,924 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE(line 762) no Hoare annotation was computed. [2024-11-25 02:46:27,924 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE(line 762) no Hoare annotation was computed. [2024-11-25 02:46:27,924 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK(lines 769 771) no Hoare annotation was computed. [2024-11-25 02:46:27,924 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:46:27,924 INFO L77 FloydHoareUtils]: At program point L769(lines 769 771) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-25 02:46:27,925 INFO L77 FloydHoareUtils]: At program point L761(lines 761 763) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-25 02:46:27,925 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE(line 762) no Hoare annotation was computed. [2024-11-25 02:46:27,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:46:27 ImpRootNode [2024-11-25 02:46:27,934 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:46:27,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:46:27,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:46:27,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:46:27,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:46:24" (3/4) ... [2024-11-25 02:46:27,938 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:46:27,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 02:46:27,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 02:46:27,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:46:28,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:46:28,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:46:28,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:46:28,021 INFO L158 Benchmark]: Toolchain (without parser) took 4310.51ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 73.1MB in the end (delta: 31.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-25 02:46:28,021 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:28,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.40ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 82.5MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:46:28,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.65ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:28,022 INFO L158 Benchmark]: Boogie Preprocessor took 20.90ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 692.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:28,022 INFO L158 Benchmark]: RCFGBuilder took 394.15ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 66.8MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:46:28,023 INFO L158 Benchmark]: CodeCheck took 3157.49ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 77.6MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:28,023 INFO L158 Benchmark]: Witness Printer took 83.53ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 73.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:46:28,025 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: 3.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 0 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: 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 0.44ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.40ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 82.5MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.65ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.90ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 692.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.15ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 66.8MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3157.49ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 77.6MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.53ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 73.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:46:28,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ca9016-7399-4674-90f4-0aee60f90efe/bin/ukojak-verify-ENZ3QT5qd3/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