./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:48:56,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:48:56,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 04:48:56,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:48:56,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:48:56,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:48:56,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:48:56,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:48:56,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:48:56,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:48:56,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:48:56,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:48:56,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:48:56,740 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:48:56,741 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:48:56,742 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:48:56,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:48:56,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:48:56,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:48:56,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:48:56,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:48:56,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:48:56,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:48:56,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:48:56,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:48:56,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:56,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:48:56,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:48:56,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:48:56,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:48:56,744 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_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-11-25 04:48:57,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:48:57,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:48:57,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:48:57,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:48:57,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:48:57,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-25 04:49:00,277 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/631991473/d3d45763a62840d18072c914040a986d/FLAG766ff9823 [2024-11-25 04:49:00,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:49:00,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-25 04:49:00,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/631991473/d3d45763a62840d18072c914040a986d/FLAG766ff9823 [2024-11-25 04:49:00,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/631991473/d3d45763a62840d18072c914040a986d [2024-11-25 04:49:00,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:49:00,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:49:00,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:00,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:49:00,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:49:00,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:00" (1/1) ... [2024-11-25 04:49:00,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1097d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:00, skipping insertion in model container [2024-11-25 04:49:00,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:00" (1/1) ... [2024-11-25 04:49:00,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:49:01,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:01,325 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:49:01,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:01,426 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:49:01,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01 WrapperNode [2024-11-25 04:49:01,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:01,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:01,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:49:01,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:49:01,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,489 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 39 [2024-11-25 04:49:01,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:01,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:49:01,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:49:01,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:49:01,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:49:01,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:49:01,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:49:01,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:49:01,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:01" (1/1) ... [2024-11-25 04:49:01,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:49:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:49:01,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:49:01,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:49:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:49:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:49:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:49:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:49:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:49:01,770 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:49:01,772 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:49:01,906 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-25 04:49:01,907 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:49:02,034 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:49:02,038 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:49:02,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:02 BoogieIcfgContainer [2024-11-25 04:49:02,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:49:02,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:49:02,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:49:02,050 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:49:02,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:02" (1/1) ... [2024-11-25 04:49:02,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:49:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:02,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:49:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:49:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:49:02,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:02,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:02,222 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:49:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:02,310 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:49:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:02,355 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:49:02,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:49:02 ImpRootNode [2024-11-25 04:49:02,383 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:49:02,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:49:02,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:49:02,386 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:49:02,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:02" (3/4) ... [2024-11-25 04:49:02,390 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:49:02,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:49:02,393 INFO L158 Benchmark]: Toolchain (without parser) took 1608.20ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 39.4MB in the end (delta: 52.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:49:02,393 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:02,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.08ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 70.1MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:49:02,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.12ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 68.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:02,397 INFO L158 Benchmark]: Boogie Preprocessor took 39.25ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 67.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:02,397 INFO L158 Benchmark]: RCFGBuilder took 509.58ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 52.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:49:02,398 INFO L158 Benchmark]: CodeCheck took 343.21ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 39.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:02,398 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:02,404 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.08ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 70.1MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.12ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 68.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.25ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 67.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.58ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 52.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 343.21ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 39.7MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:49:02,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:49:05,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:49:05,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 04:49:05,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:49:05,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:49:05,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:49:05,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:49:05,228 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:49:05,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:49:05,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:49:05,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:49:05,228 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:49:05,228 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:49:05,229 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:49:05,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:49:05,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:49:05,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:49:05,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:49:05,230 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:05,230 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:49:05,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:49:05,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:49:05,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:49:05,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:49:05,231 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:49:05,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:05,231 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:49:05,231 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_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-11-25 04:49:05,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:49:05,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:49:05,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:49:05,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:49:05,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:49:05,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-25 04:49:08,603 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/dffac8c03/46cdf1e9328a48f3bf15d01b8633f49d/FLAG5bc6ccab3 [2024-11-25 04:49:08,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:49:08,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-25 04:49:08,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/dffac8c03/46cdf1e9328a48f3bf15d01b8633f49d/FLAG5bc6ccab3 [2024-11-25 04:49:08,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/data/dffac8c03/46cdf1e9328a48f3bf15d01b8633f49d [2024-11-25 04:49:08,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:49:08,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:49:08,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:08,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:49:09,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:49:09,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:08" (1/1) ... [2024-11-25 04:49:09,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5892c8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09, skipping insertion in model container [2024-11-25 04:49:09,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:08" (1/1) ... [2024-11-25 04:49:09,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:49:09,463 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:49:09,526 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:49:09,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:09,552 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-25 04:49:09,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:49:09,588 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:49:09,608 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:49:09,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:09,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:49:09,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:09,722 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:49:09,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09 WrapperNode [2024-11-25 04:49:09,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:09,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:09,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:49:09,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:49:09,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,767 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 38 [2024-11-25 04:49:09,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:09,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:49:09,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:49:09,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:49:09,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,802 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:49:09,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:49:09,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:49:09,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:49:09,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:09" (1/1) ... [2024-11-25 04:49:09,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:49:09,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:49:09,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:49:09,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:49:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:49:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:49:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:49:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:49:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:49:10,066 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:49:10,068 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:49:10,208 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-25 04:49:10,208 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:49:10,341 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:49:10,341 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:49:10,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:10 BoogieIcfgContainer [2024-11-25 04:49:10,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:49:10,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:49:10,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:49:10,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:49:10,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:10" (1/1) ... [2024-11-25 04:49:10,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:49:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:49:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:49:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:49:10,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:10,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:10,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:49:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:10,562 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:49:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:10,672 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:49:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:10,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:49:10,714 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:49:10,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:49:10 ImpRootNode [2024-11-25 04:49:10,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:49:10,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:49:10,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:49:10,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:49:10,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:10" (3/4) ... [2024-11-25 04:49:10,752 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:49:10,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:49:10,758 INFO L158 Benchmark]: Toolchain (without parser) took 1766.34ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 31.8MB in the end (delta: 29.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-25 04:49:10,759 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:10,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.08ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 33.4MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:49:10,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.44ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 31.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:10,760 INFO L158 Benchmark]: Boogie Preprocessor took 49.68ms. Allocated memory is still 83.9MB. Free memory was 31.6MB in the beginning and 61.1MB in the end (delta: -29.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-25 04:49:10,760 INFO L158 Benchmark]: RCFGBuilder took 524.43ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 43.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:49:10,763 INFO L158 Benchmark]: CodeCheck took 402.05ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 32.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:10,763 INFO L158 Benchmark]: Witness Printer took 8.37ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.8MB in the end (delta: 372.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:10,765 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.08ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 33.4MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.44ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 31.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.68ms. Allocated memory is still 83.9MB. Free memory was 31.6MB in the beginning and 61.1MB in the end (delta: -29.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.43ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 43.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 402.05ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 32.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.37ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.8MB in the end (delta: 372.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:49:10,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703caacb-bdb1-4657-8655-513452da72f0/bin/ukojak-verify-ENZ3QT5qd3/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample