./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test03.c --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_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/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_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/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_d3bcf497-5111-438c-a8da-0b11fe94a2b6/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 b0461c64dd33aab490c540600717644b0e8e89b40b72a49b75f3cca81071b4ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:28:36,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:28:36,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:28:36,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:28:36,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:28:36,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:28:36,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:28:36,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:28:36,958 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:28:36,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:28:36,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:28:36,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:28:36,959 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:28:36,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:28:36,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:28:36,959 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:28:36,959 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:28:36,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:28:36,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:28:36,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:28:36,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:28:36,960 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:28:36,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:28:36,960 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_d3bcf497-5111-438c-a8da-0b11fe94a2b6/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 -> b0461c64dd33aab490c540600717644b0e8e89b40b72a49b75f3cca81071b4ad [2024-12-06 04:28:37,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:28:37,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:28:37,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:28:37,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:28:37,175 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:28:37,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test03.c [2024-12-06 04:28:39,811 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/data/d4c292a85/76596c455bb349e7b632d8ff37b1e783/FLAG89972be66 [2024-12-06 04:28:40,012 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:28:40,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/sv-benchmarks/c/ldv-regression/test03.c [2024-12-06 04:28:40,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/data/d4c292a85/76596c455bb349e7b632d8ff37b1e783/FLAG89972be66 [2024-12-06 04:28:40,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/data/d4c292a85/76596c455bb349e7b632d8ff37b1e783 [2024-12-06 04:28:40,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:28:40,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:28:40,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:28:40,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:28:40,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:28:40,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddde325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40, skipping insertion in model container [2024-12-06 04:28:40,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:28:40,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:28:40,544 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:28:40,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:28:40,568 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:28:40,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40 WrapperNode [2024-12-06 04:28:40,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:28:40,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:28:40,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:28:40,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:28:40,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,591 INFO L138 Inliner]: procedures = 13, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-12-06 04:28:40,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:28:40,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:28:40,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:28:40,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:28:40,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:28:40,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:28:40,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:28:40,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:28:40,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:28:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:28:40,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:28:40,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:28:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:28:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:28:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:28:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:28:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:28:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:28:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:28:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:28:40,722 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:28:40,723 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:28:40,833 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:28:40,833 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:28:40,867 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:28:40,867 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:28:40,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:40 BoogieIcfgContainer [2024-12-06 04:28:40,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:28:40,868 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:28:40,868 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:28:40,875 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:28:40,875 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:40" (1/1) ... [2024-12-06 04:28:40,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:28:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-12-06 04:28:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-12-06 04:28:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:28:40,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:40,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:41,122 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 04:28:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 04:28:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 04:28:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:28:41,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:41,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:41,277 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 04:28:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 04:28:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 04:28:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:28:41,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:41,405 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 04:28:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-12-06 04:28:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-12-06 04:28:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:28:41,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:41,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:41,468 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 04:28:41,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:41,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 04:28:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 04:28:41,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:28:41,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:41,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:41,780 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 04:28:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-12-06 04:28:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-12-06 04:28:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:28:42,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:42,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:42,352 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 04:28:42,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:42,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-12-06 04:28:42,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-12-06 04:28:42,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:28:42,924 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 04:28:42,930 INFO L726 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-12-06 04:28:42,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:42,954 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:28:42,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:42,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK(lines 12 30) no Hoare annotation was computed. [2024-12-06 04:28:42,954 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:28:42,954 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 12 30) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 04:28:42,954 INFO L75 FloydHoareUtils]: For program point L3(line 3) no Hoare annotation was computed. [2024-12-06 04:28:42,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:42,955 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 4 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) |ULTIMATE.start_main_~#a~0#1.offset|) 0) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#b~0#1.base| |ULTIMATE.start_main_~#a~0#1.base|)) (= (store (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0) |ULTIMATE.start_main_~#b~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 04:28:42,955 INFO L77 FloydHoareUtils]: At program point L22-1(lines 22 24) the Hoare annotation is: (and (= |ULTIMATE.start_main_#t~mem5#1| 0) (not (= |ULTIMATE.start_main_~#b~0#1.base| |ULTIMATE.start_main_~#a~0#1.base|)) (= (store (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0) |ULTIMATE.start_main_~#b~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 04:28:42,955 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (and (<= 4 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|)) (= |ULTIMATE.start_main_#t~ret4#1| 0) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#b~0#1.base| |ULTIMATE.start_main_~#a~0#1.base|)) (= (store (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0) |ULTIMATE.start_main_~#b~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 04:28:42,955 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:42,955 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK(line 3) no Hoare annotation was computed. [2024-12-06 04:28:42,962 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem5 [2024-12-06 04:28:42,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#b~0!base [2024-12-06 04:28:42,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#a~0!base [2024-12-06 04:28:42,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-12-06 04:28:42,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:28:42,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:28:42,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:28:42,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:28:42 ImpRootNode [2024-12-06 04:28:42,965 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:28:42,966 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:28:42,966 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:28:42,966 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:28:42,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:40" (3/4) ... [2024-12-06 04:28:42,968 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:28:42,973 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-06 04:28:42,973 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 04:28:42,973 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:28:42,973 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:28:43,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:28:43,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:28:43,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:28:43,030 INFO L158 Benchmark]: Toolchain (without parser) took 2620.48ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 114.1MB in the end (delta: 4.7MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2024-12-06 04:28:43,031 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:43,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.36ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 108.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:28:43,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.77ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:43,032 INFO L158 Benchmark]: Boogie Preprocessor took 13.96ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.2MB in the end (delta: 832.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:43,032 INFO L158 Benchmark]: RCFGBuilder took 261.40ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 92.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:28:43,032 INFO L158 Benchmark]: CodeCheck took 2097.23ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 44.5MB in the end (delta: 48.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-12-06 04:28:43,033 INFO L158 Benchmark]: Witness Printer took 64.06ms. Allocated memory is still 142.6MB. Free memory was 44.5MB in the beginning and 114.1MB in the end (delta: -69.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-12-06 04:28:43,035 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, 13 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 1 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.36ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 108.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.77ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.96ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.2MB in the end (delta: 832.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.40ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 92.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2097.23ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 44.5MB in the end (delta: 48.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 64.06ms. Allocated memory is still 142.6MB. Free memory was 44.5MB in the beginning and 114.1MB in the end (delta: -69.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#b~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#a~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid RESULT: Ultimate proved your program to be correct! [2024-12-06 04:28:43,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3bcf497-5111-438c-a8da-0b11fe94a2b6/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