./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_15-1.c --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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:47:01,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:47:01,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 16:47:01,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:47:01,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:47:01,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:47:01,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:47:01,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:47:01,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:47:01,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:47:01,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:47:01,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:47:01,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:47:01,924 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:47:01,924 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:47:01,925 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:47:01,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:47:01,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:47:01,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:47:01,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:47:01,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:47:01,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:47:01,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:47:01,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:47:01,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:47:01,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:01,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:47:01,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:47:01,928 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:47:01,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:47:01,928 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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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 -> 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 [2024-11-13 16:47:02,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:47:02,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:47:02,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:47:02,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:47:02,276 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:47:02,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/locks/test_locks_15-1.c Unable to find full path for "g++" [2024-11-13 16:47:04,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:47:04,508 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:47:04,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/sv-benchmarks/c/locks/test_locks_15-1.c [2024-11-13 16:47:04,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data/c1a1d3fc8/51758ec935524d68a3f1731ef988ccb9/FLAG7ccf5b24f [2024-11-13 16:47:04,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data/c1a1d3fc8/51758ec935524d68a3f1731ef988ccb9 [2024-11-13 16:47:04,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:47:04,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:47:04,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:04,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:47:04,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:47:04,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af15533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04, skipping insertion in model container [2024-11-13 16:47:04,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:47:04,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:04,832 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:47:04,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:04,901 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:47:04,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04 WrapperNode [2024-11-13 16:47:04,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:04,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:04,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:47:04,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:47:04,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,949 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 210 [2024-11-13 16:47:04,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:04,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:47:04,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:47:04,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:47:04,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:04,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:47:04,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:47:04,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:47:04,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:47:04,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:04" (1/1) ... [2024-11-13 16:47:05,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:05,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:47:05,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:47:05,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:47:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:47:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:47:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:47:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:47:05,163 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:47:05,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:47:05,566 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 16:47:05,566 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:47:05,734 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:47:05,737 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:47:05,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:05 BoogieIcfgContainer [2024-11-13 16:47:05,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:47:05,738 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:47:05,738 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:47:05,750 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:47:05,750 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:05" (1/1) ... [2024-11-13 16:47:05,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:47:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2024-11-13 16:47:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2024-11-13 16:47:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:47:05,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:05,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-11-13 16:47:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-13 16:47:06,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:47:06,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:06,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2024-11-13 16:47:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2024-11-13 16:47:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:47:06,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:06,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:06,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:06,406 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 16:47:06,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:47:06 ImpRootNode [2024-11-13 16:47:06,456 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:47:06,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:47:06,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:47:06,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:47:06,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:05" (3/4) ... [2024-11-13 16:47:06,463 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:47:06,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:47:06,465 INFO L158 Benchmark]: Toolchain (without parser) took 1912.73ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 101.2MB in the end (delta: 18.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:06,465 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:06,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.50ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 107.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:06,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.51ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:06,469 INFO L158 Benchmark]: Boogie Preprocessor took 43.12ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:06,472 INFO L158 Benchmark]: RCFGBuilder took 743.20ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 74.6MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:47:06,473 INFO L158 Benchmark]: CodeCheck took 718.34ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 101.8MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:06,473 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 101.2MB in the end (delta: 595.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:06,476 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, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 18 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L50] int p15 = __VERIFIER_nondet_int(); [L51] int lk15; [L54] int cond; VAL [p10=-1, p11=-1, p12=-1, p13=0, p14=-1, p15=-1, p1=0, p2=0, p3=0, p4=0, p5=-1, p6=-1, p7=0, p8=0, p9=0] [L56] COND TRUE 1 [L57] cond = __VERIFIER_nondet_int() [L58] COND FALSE !(cond == 0) [L61] lk1 = 0 [L63] lk2 = 0 [L65] lk3 = 0 [L67] lk4 = 0 [L69] lk5 = 0 [L71] lk6 = 0 [L73] lk7 = 0 [L75] lk8 = 0 [L77] lk9 = 0 [L79] lk10 = 0 [L81] lk11 = 0 [L83] lk12 = 0 [L85] lk13 = 0 [L87] lk14 = 0 [L89] lk15 = 0 [L93] COND FALSE !(p1 != 0) [L97] COND FALSE !(p2 != 0) [L101] COND FALSE !(p3 != 0) [L105] COND FALSE !(p4 != 0) [L109] COND TRUE p5 != 0 [L110] lk5 = 1 [L113] COND TRUE p6 != 0 [L114] lk6 = 1 [L117] COND FALSE !(p7 != 0) [L121] COND FALSE !(p8 != 0) [L125] COND FALSE !(p9 != 0) [L129] COND TRUE p10 != 0 [L130] lk10 = 1 [L133] COND TRUE p11 != 0 [L134] lk11 = 1 [L137] COND TRUE p12 != 0 [L138] lk12 = 1 [L141] COND FALSE !(p13 != 0) [L145] COND TRUE p14 != 0 [L146] lk14 = 1 [L149] COND TRUE p15 != 0 [L150] lk15 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p10=-1, p11=-1, p12=-1, p13=0, p14=-1, p15=-1, p1=0, p2=0, p3=0, p4=0, p5=-1, p6=-1, p7=0, p8=0, p9=0] [L155] COND FALSE !(p1 != 0) VAL [lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p10=-1, p11=-1, p12=-1, p13=0, p14=-1, p15=-1, p1=0, p2=0, p3=0, p4=0, p5=-1, p6=-1, p7=0, p8=0, p9=0] [L160] COND FALSE !(p2 != 0) VAL [lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p10=-1, p11=-1, p12=-1, p13=0, p14=-1, p15=-1, p1=0, p3=0, p4=0, p5=-1, p6=-1, p7=0, p8=0, p9=0] [L233] CALL reach_error() [L3] __assert_fail("0", "test_locks_15-1.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.50ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 107.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.51ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.12ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 743.20ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 74.6MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 718.34ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 101.8MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 101.2MB in the end (delta: 595.4kB). 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 16:47:06,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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 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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:47:09,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:47:09,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 16:47:09,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:47:09,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:47:09,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:47:09,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:47:09,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:47:09,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:47:09,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:47:09,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:47:09,482 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:47:09,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:47:09,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:47:09,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:47:09,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:47:09,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:09,484 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:47:09,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:47:09,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:09,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:47:09,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:47:09,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:47:09,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:09,485 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:47:09,486 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_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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 -> 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 [2024-11-13 16:47:09,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:47:09,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:47:09,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:47:09,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:47:09,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:47:09,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/locks/test_locks_15-1.c Unable to find full path for "g++" [2024-11-13 16:47:11,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:47:12,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:47:12,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/sv-benchmarks/c/locks/test_locks_15-1.c [2024-11-13 16:47:12,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data/23be4d75f/1ff89be616b3497aa12c0d452a15f7b0/FLAG82ac70466 [2024-11-13 16:47:12,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/data/23be4d75f/1ff89be616b3497aa12c0d452a15f7b0 [2024-11-13 16:47:12,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:47:12,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:47:12,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:12,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:47:12,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:47:12,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4fe391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12, skipping insertion in model container [2024-11-13 16:47:12,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:47:12,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:12,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:47:12,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:12,600 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:47:12,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12 WrapperNode [2024-11-13 16:47:12,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:12,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:12,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:47:12,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:47:12,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,653 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2024-11-13 16:47:12,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:12,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:47:12,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:47:12,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:47:12,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:47:12,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:47:12,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:47:12,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:47:12,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:12" (1/1) ... [2024-11-13 16:47:12,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:12,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:47:12,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:47:12,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:47:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:47:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:47:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:47:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:47:12,897 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:47:12,900 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:47:13,327 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 16:47:13,327 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:47:13,566 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:47:13,567 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:47:13,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:13 BoogieIcfgContainer [2024-11-13 16:47:13,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:47:13,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:47:13,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:47:13,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:47:13,580 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:13" (1/1) ... [2024-11-13 16:47:13,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:47:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2024-11-13 16:47:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2024-11-13 16:47:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:47:13,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:13,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:13,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:13,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:13,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:47:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:13,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:13,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:47:13,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:13,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:47:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-11-13 16:47:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-13 16:47:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:47:13,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:13,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:13,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:13,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:47:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:13,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:13,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:13,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:13,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:47:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2024-11-13 16:47:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2024-11-13 16:47:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:47:14,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:14,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:14,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:14,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:14,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:47:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:14,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:14,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:14,292 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:47:14,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:14,295 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 16:47:14,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:47:14 ImpRootNode [2024-11-13 16:47:14,338 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:47:14,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:47:14,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:47:14,339 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:47:14,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:13" (3/4) ... [2024-11-13 16:47:14,342 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:47:14,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:47:14,344 INFO L158 Benchmark]: Toolchain (without parser) took 2088.39ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 20.7MB in the end (delta: 39.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:14,344 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:14,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.47ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:14,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.00ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:14,348 INFO L158 Benchmark]: Boogie Preprocessor took 43.73ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 45.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:14,349 INFO L158 Benchmark]: RCFGBuilder took 864.67ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 44.7MB in the end (delta: 430.6kB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-13 16:47:14,349 INFO L158 Benchmark]: CodeCheck took 770.03ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 21.3MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:47:14,349 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 83.9MB. Free memory is still 20.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:14,352 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, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 18 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L50] int p15 = __VERIFIER_nondet_int(); [L51] int lk15; [L54] int cond; [L56] COND TRUE 1 [L57] cond = __VERIFIER_nondet_int() [L58] COND FALSE !(cond == 0) [L61] lk1 = 0 [L63] lk2 = 0 [L65] lk3 = 0 [L67] lk4 = 0 [L69] lk5 = 0 [L71] lk6 = 0 [L73] lk7 = 0 [L75] lk8 = 0 [L77] lk9 = 0 [L79] lk10 = 0 [L81] lk11 = 0 [L83] lk12 = 0 [L85] lk13 = 0 [L87] lk14 = 0 [L89] lk15 = 0 [L93] COND FALSE !(p1 != 0) [L97] COND FALSE !(p2 != 0) [L101] COND FALSE !(p3 != 0) [L105] COND FALSE !(p4 != 0) [L109] COND FALSE !(p5 != 0) [L113] COND TRUE p6 != 0 [L114] lk6 = 1 [L117] COND FALSE !(p7 != 0) [L121] COND FALSE !(p8 != 0) [L125] COND TRUE p9 != 0 [L126] lk9 = 1 [L129] COND FALSE !(p10 != 0) [L133] COND TRUE p11 != 0 [L134] lk11 = 1 [L137] COND TRUE p12 != 0 [L138] lk12 = 1 [L141] COND TRUE p13 != 0 [L142] lk13 = 1 [L145] COND FALSE !(p14 != 0) [L149] COND TRUE p15 != 0 [L150] lk15 = 1 VAL [lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk15=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=1, lk7=0, lk8=0, lk9=1, p10=0, p11=1, p12=1, p13=1, p14=0, p15=1, p1=0, p2=0, p3=0, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L155] COND FALSE !(p1 != 0) VAL [lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk15=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=1, lk7=0, lk8=0, lk9=1, p10=0, p11=1, p12=1, p13=1, p14=0, p15=1, p1=0, p2=0, p3=0, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L160] COND FALSE !(p2 != 0) VAL [lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk15=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=1, lk7=0, lk8=0, lk9=1, p10=0, p11=1, p12=1, p13=1, p14=0, p15=1, p1=0, p3=0, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L233] CALL reach_error() [L3] __assert_fail("0", "test_locks_15-1.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.47ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.00ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.73ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 45.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 864.67ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 44.7MB in the end (delta: 430.6kB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * CodeCheck took 770.03ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 21.3MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 83.9MB. Free memory is still 20.7MB. 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 16:47:14,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc885cb-7463-4e22-b392-6bcf6f95faa5/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