./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:54,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:54,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 21:42:54,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:42:54,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:42:54,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:54,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:54,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:54,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:54,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:54,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:54,847 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:54,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:54,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:42:54,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:42:54,848 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_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm 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 -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2024-11-13 21:42:55,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:55,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:55,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:55,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:55,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:55,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i Unable to find full path for "g++" [2024-11-13 21:42:57,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:57,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:57,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-11-13 21:42:57,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data/2689c90b5/0d3291d05e8a4674a217e5f7f4706635/FLAGdace2b09d [2024-11-13 21:42:57,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data/2689c90b5/0d3291d05e8a4674a217e5f7f4706635 [2024-11-13 21:42:57,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:57,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:57,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:57,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:57,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:57,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:57" (1/1) ... [2024-11-13 21:42:57,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc19294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:57, skipping insertion in model container [2024-11-13 21:42:57,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:57" (1/1) ... [2024-11-13 21:42:57,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:57,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:57,965 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:42:58,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:58,069 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:42:58,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58 WrapperNode [2024-11-13 21:42:58,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:58,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:58,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:42:58,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:42:58,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,112 INFO L138 Inliner]: procedures = 166, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 28 [2024-11-13 21:42:58,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:58,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:42:58,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:42:58,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:42:58,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:42:58,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:42:58,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:42:58,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:42:58,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:42:58,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:42:58,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:42:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:42:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:42:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:42:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:42:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:42:58,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:42:58,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:42:58,418 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:42:58,418 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:42:58,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:42:58,470 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:42:58,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:58 BoogieIcfgContainer [2024-11-13 21:42:58,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:42:58,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:42:58,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:42:58,482 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:42:58,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:42:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 21:42:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 21:42:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:42:58,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:58,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:58,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:58,722 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:42:58,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:42:58 ImpRootNode [2024-11-13 21:42:58,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:42:58,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:42:58,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:42:58,746 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:42:58,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:58" (3/4) ... [2024-11-13 21:42:58,751 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:42:58,752 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:42:58,753 INFO L158 Benchmark]: Toolchain (without parser) took 1333.13ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 44.0MB in the end (delta: 48.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:42:58,753 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:58,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.67ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 70.7MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:42:58,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.74ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:58,754 INFO L158 Benchmark]: Boogie Preprocessor took 18.06ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 68.2MB in the end (delta: 830.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:58,757 INFO L158 Benchmark]: RCFGBuilder took 339.67ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 55.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:58,757 INFO L158 Benchmark]: CodeCheck took 273.64ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 44.0MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:42:58,758 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:58,763 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, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.67ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 70.7MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.74ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.06ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 68.2MB in the end (delta: 830.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.67ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 55.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 273.64ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 44.0MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:42:58,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:01,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:01,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 21:43:01,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:01,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:01,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:01,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:01,703 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:43:01,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:01,704 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:01,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:43:01,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:01,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:01,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:01,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:01,706 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:43:01,706 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:01,706 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:43:01,706 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_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm 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 -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2024-11-13 21:43:02,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:02,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:02,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:02,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:02,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:02,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i Unable to find full path for "g++" [2024-11-13 21:43:03,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:04,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:04,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-11-13 21:43:04,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data/9a9174759/942932c6a1bb48948bf3216d9b6935be/FLAG4eb7ad3ac [2024-11-13 21:43:04,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/data/9a9174759/942932c6a1bb48948bf3216d9b6935be [2024-11-13 21:43:04,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:04,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:04,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:04,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:04,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:04,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:04" (1/1) ... [2024-11-13 21:43:04,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff7666e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:04, skipping insertion in model container [2024-11-13 21:43:04,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:04" (1/1) ... [2024-11-13 21:43:04,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:04,925 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:43:04,973 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:43:04,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:04,996 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 21:43:05,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:05,073 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:43:05,114 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:43:05,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:05,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:05,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:05,263 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:05,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05 WrapperNode [2024-11-13 21:43:05,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:05,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:05,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:05,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:05,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,324 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 28 [2024-11-13 21:43:05,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:05,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:05,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:05,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:05,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:05,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:05,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:05,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:05,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:05,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:05,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:05,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:43:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:43:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:05,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:05,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:05,631 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:05,631 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:05,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:05,723 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:43:05,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:05 BoogieIcfgContainer [2024-11-13 21:43:05,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:05,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:05,725 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:05,736 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:05,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 21:43:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 21:43:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:43:05,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:05,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:05,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:43:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:05,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:06,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:06,090 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:43:06,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:43:06,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:43:06 ImpRootNode [2024-11-13 21:43:06,112 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:43:06,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:43:06,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:43:06,114 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:43:06,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:05" (3/4) ... [2024-11-13 21:43:06,118 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:43:06,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:43:06,123 INFO L158 Benchmark]: Toolchain (without parser) took 1633.65ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 81.3MB in the end (delta: 10.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,123 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 775.96ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.9MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.98ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,124 INFO L158 Benchmark]: Boogie Preprocessor took 35.04ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 61.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,125 INFO L158 Benchmark]: RCFGBuilder took 362.81ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 46.7MB in the end (delta: 14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,125 INFO L158 Benchmark]: CodeCheck took 387.81ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 81.8MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,125 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,131 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, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 775.96ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.9MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.98ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.04ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 61.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.81ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 46.7MB in the end (delta: 14.4MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 387.81ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 81.8MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:43:06,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e367444b-0114-488e-b694-18e5b6667129/bin/ukojak-verify-EEHR8qb7sm/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: UNKNOWN: Overapproximated counterexample