./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.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_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/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_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/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_8a650a4a-19f3-4648-aaad-23915a489be1/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 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:39:18,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:39:18,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 02:39:18,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:39:18,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:39:18,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:39:18,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:39:18,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:39:18,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:39:18,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:39:18,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:39:18,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:39:18,338 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:39:18,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:39:18,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:39:18,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:39:18,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:39:18,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:39:18,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:39:18,338 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:39:18,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:39:18,339 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_8a650a4a-19f3-4648-aaad-23915a489be1/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 -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2024-12-06 02:39:18,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:39:18,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:39:18,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:39:18,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:39:18,558 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:39:18,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2024-12-06 02:39:21,157 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/data/3f32b2ed1/7f301a07df7549b0ad0799f9c9d79bcd/FLAGc866fc473 [2024-12-06 02:39:21,420 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:39:21,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2024-12-06 02:39:21,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/data/3f32b2ed1/7f301a07df7549b0ad0799f9c9d79bcd/FLAGc866fc473 [2024-12-06 02:39:21,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/data/3f32b2ed1/7f301a07df7549b0ad0799f9c9d79bcd [2024-12-06 02:39:21,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:39:21,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:39:21,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:39:21,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:39:21,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:39:21,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:39:21" (1/1) ... [2024-12-06 02:39:21,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6544a307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:21, skipping insertion in model container [2024-12-06 02:39:21,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:39:21" (1/1) ... [2024-12-06 02:39:21,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:39:21,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:39:22,006 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:39:22,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:39:22,088 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:39:22,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22 WrapperNode [2024-12-06 02:39:22,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:39:22,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:39:22,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:39:22,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:39:22,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,125 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2024-12-06 02:39:22,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:39:22,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:39:22,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:39:22,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:39:22,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:39:22,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:39:22,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:39:22,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:39:22,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:39:22,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:39:22,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:39:22,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:39:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:39:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:39:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:39:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 02:39:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:39:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:39:22,279 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:39:22,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:39:22,361 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 02:39:22,361 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:39:22,403 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:39:22,404 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:39:22,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:39:22 BoogieIcfgContainer [2024-12-06 02:39:22,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:39:22,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:39:22,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:39:22,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:39:22,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:39:22" (1/1) ... [2024-12-06 02:39:22,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:39:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:39:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:39:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:39:22,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:22,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 02:39:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 02:39:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:39:22,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:22,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-12-06 02:39:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-12-06 02:39:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:39:22,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:39:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:39:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:39:23,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:23,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 02:39:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 02:39:23,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:39:23,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-12-06 02:39:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-12-06 02:39:24,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:39:24,376 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 02:39:24,382 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 02:39:24,418 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:39:24,419 INFO L77 FloydHoareUtils]: At program point L762(lines 762 764) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_g5_~p#1.base| 0))) (and (or (= (store |#valid| |ULTIMATE.start_g5_~p#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) .cse0) (or (= (select |#valid| |ULTIMATE.start_g5_~p#1.base|) 1) .cse0) (or .cse0 (< |ULTIMATE.start_g5_~p#1.base| |#StackHeapBarrier|)) (= |ULTIMATE.start_g5_~p#1.offset| 0) (or (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (not .cse0)))) [2024-12-06 02:39:24,419 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE(line 763) no Hoare annotation was computed. [2024-12-06 02:39:24,419 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE(line 763) no Hoare annotation was computed. [2024-12-06 02:39:24,419 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK(lines 770 772) no Hoare annotation was computed. [2024-12-06 02:39:24,419 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:39:24,420 INFO L77 FloydHoareUtils]: At program point L763(line 763) the Hoare annotation is: (and (= (store |#valid| |ULTIMATE.start_g5_~p#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (or (= (select |#valid| |ULTIMATE.start_g5_~p#1.base|) 1) (= |ULTIMATE.start_g5_~p#1.base| 0)) (= |ULTIMATE.start_g5_~p#1.offset| 0) (< |ULTIMATE.start_g5_~p#1.base| |#StackHeapBarrier|)) [2024-12-06 02:39:24,420 INFO L77 FloydHoareUtils]: At program point L763-1(line 763) the Hoare annotation is: (and (= (store |#valid| |ULTIMATE.start_g5_~p#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (or (= (select |#valid| |ULTIMATE.start_g5_~p#1.base|) 1) (= |ULTIMATE.start_g5_~p#1.base| 0)) (< |ULTIMATE.start_g5_~p#1.base| |#StackHeapBarrier|)) [2024-12-06 02:39:24,420 INFO L77 FloydHoareUtils]: At program point L763-2(line 763) the Hoare annotation is: (and (= (store |#valid| |ULTIMATE.start_g5_~p#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (or (= (select |#valid| |ULTIMATE.start_g5_~p#1.base|) 1) (= |ULTIMATE.start_g5_~p#1.base| 0))) [2024-12-06 02:39:24,420 INFO L77 FloydHoareUtils]: At program point L761(lines 761 765) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 02:39:24,420 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE(line 763) no Hoare annotation was computed. [2024-12-06 02:39:24,420 INFO L77 FloydHoareUtils]: At program point L770(lines 770 772) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 02:39:24,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:39:24 ImpRootNode [2024-12-06 02:39:24,424 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:39:24,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:39:24,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:39:24,425 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:39:24,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:39:22" (3/4) ... [2024-12-06 02:39:24,427 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:39:24,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 02:39:24,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 02:39:24,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 02:39:24,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:39:24,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:39:24,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:39:24,495 INFO L158 Benchmark]: Toolchain (without parser) took 2777.80ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 67.2MB in the end (delta: 49.7MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-12-06 02:39:24,495 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:39:24,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.99ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 94.8MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:39:24,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.57ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:39:24,496 INFO L158 Benchmark]: Boogie Preprocessor took 17.94ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:39:24,496 INFO L158 Benchmark]: RCFGBuilder took 259.94ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 78.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:39:24,497 INFO L158 Benchmark]: CodeCheck took 2020.00ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 71.6MB in the end (delta: 6.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-12-06 02:39:24,497 INFO L158 Benchmark]: Witness Printer took 69.14ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 67.2MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:39:24,499 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: 1.9s, 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, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s 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, 113 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s 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: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 770]: 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 is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.99ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 94.8MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.57ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.94ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.94ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 78.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2020.00ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 71.6MB in the end (delta: 6.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 69.14ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 67.2MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:39:24,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a650a4a-19f3-4648-aaad-23915a489be1/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