./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL --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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:06,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:06,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:39:06,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:39:06,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:39:06,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:06,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:06,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:06,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:06,728 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:06,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:39:06,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:06,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:06,731 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:39:06,732 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:39:06,733 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:39:06,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:06,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:39:06,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:06,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:06,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:06,737 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:06,738 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:06,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:06,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:06,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:06,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:06,742 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:39:06,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:39:06,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2023-11-19 03:39:07,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:07,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:07,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:07,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:07,060 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:07,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-11-19 03:39:10,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:10,902 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:10,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-11-19 03:39:10,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data/37617b968/2cba46aa6486416895608e72ff21c9ab/FLAG35e77568f [2023-11-19 03:39:10,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data/37617b968/2cba46aa6486416895608e72ff21c9ab [2023-11-19 03:39:10,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:10,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:10,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:10,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:10,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:10,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:10,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd0da81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:10, skipping insertion in model container [2023-11-19 03:39:10,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:10" (1/1) ... [2023-11-19 03:39:11,052 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:11,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:11,530 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:11,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:11,691 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:11,697 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:11,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11 WrapperNode [2023-11-19 03:39:11,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:11,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:11,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:11,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:11,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,751 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 34 [2023-11-19 03:39:11,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:11,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:11,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:11,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:11,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:11,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:11,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:11,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:11,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11" (1/1) ... [2023-11-19 03:39:11,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:11,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:11,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:11,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:39:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:39:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:12,001 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:12,003 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:12,116 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:12,203 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:12,204 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:39:12,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:12 BoogieIcfgContainer [2023-11-19 03:39:12,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:12,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:12,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:12,220 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:12,220 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:12" (1/1) ... [2023-11-19 03:39:12,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:39:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 03:39:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 03:39:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:39:12,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:12,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:39:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:12,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:39:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:12,506 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:39:12,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:39:12 ImpRootNode [2023-11-19 03:39:12,535 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:39:12,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:39:12,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:39:12,540 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:39:12,541 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:12" (3/4) ... [2023-11-19 03:39:12,545 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:39:12,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:39:12,548 INFO L158 Benchmark]: Toolchain (without parser) took 1594.46ms. Allocated memory is still 190.8MB. Free memory was 142.0MB in the beginning and 88.1MB in the end (delta: 53.9MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 03:39:12,549 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:12,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.76ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 120.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:39:12,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.92ms. Allocated memory is still 190.8MB. Free memory was 120.0MB in the beginning and 118.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:12,553 INFO L158 Benchmark]: Boogie Preprocessor took 47.25ms. Allocated memory is still 190.8MB. Free memory was 118.0MB in the beginning and 116.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:12,554 INFO L158 Benchmark]: RCFGBuilder took 407.86ms. Allocated memory is still 190.8MB. Free memory was 116.9MB in the beginning and 101.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:39:12,556 INFO L158 Benchmark]: CodeCheck took 325.48ms. Allocated memory is still 190.8MB. Free memory was 101.2MB in the beginning and 88.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:12,559 INFO L158 Benchmark]: Witness Printer took 8.19ms. Allocated memory is still 190.8MB. Free memory was 88.6MB in the beginning and 88.1MB in the end (delta: 492.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:12,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L770] CALL entry_point() [L766] CALL probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; [L766] RET probe_9() [L767] a9 = 0 [L770] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.76ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 120.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.92ms. Allocated memory is still 190.8MB. Free memory was 120.0MB in the beginning and 118.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.25ms. Allocated memory is still 190.8MB. Free memory was 118.0MB in the beginning and 116.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.86ms. Allocated memory is still 190.8MB. Free memory was 116.9MB in the beginning and 101.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 325.48ms. Allocated memory is still 190.8MB. Free memory was 101.2MB in the beginning and 88.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.19ms. Allocated memory is still 190.8MB. Free memory was 88.6MB in the beginning and 88.1MB in the end (delta: 492.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:39:12,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL --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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:15,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:15,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:39:15,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:15,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:15,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:15,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:15,725 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:15,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:39:15,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:15,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:15,733 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:39:15,733 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:39:15,735 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:39:15,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:15,736 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:39:15,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:39:15,737 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:39:15,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:39:15,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:15,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:15,743 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:15,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:15,744 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:15,744 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:15,745 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:15,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:15,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:15,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:15,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:15,749 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:39:15,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:15,749 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:39:15,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:15,750 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2023-11-19 03:39:16,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:16,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:16,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:16,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:16,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:16,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-11-19 03:39:19,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:20,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:20,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-11-19 03:39:20,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data/6d4ce26de/f92cb1c6307a4d0e970a9043cfc46551/FLAG566ae8da1 [2023-11-19 03:39:20,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/data/6d4ce26de/f92cb1c6307a4d0e970a9043cfc46551 [2023-11-19 03:39:20,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:20,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:20,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:20,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:20,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:20,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:20" (1/1) ... [2023-11-19 03:39:20,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2663cc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:20, skipping insertion in model container [2023-11-19 03:39:20,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:20" (1/1) ... [2023-11-19 03:39:20,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:20,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:20,795 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:39:20,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:20,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:20,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:21,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:21,124 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:21,132 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:21,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21 WrapperNode [2023-11-19 03:39:21,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:21,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:21,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:21,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:21,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,235 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2023-11-19 03:39:21,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:21,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:21,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:21,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:21,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:21,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:21,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:21,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:21,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:21,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:21,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:21,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:39:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:39:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:21,519 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:21,522 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:21,679 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:21,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:21,801 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:39:21,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:21 BoogieIcfgContainer [2023-11-19 03:39:21,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:21,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:21,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:21,819 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:21,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:21" (1/1) ... [2023-11-19 03:39:21,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:39:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 03:39:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 03:39:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:39:21,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:21,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:21,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:39:21,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:39:21,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:39:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:22,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:39:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:22,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:39:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:39:22,204 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:39:22,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:39:22,212 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:39:22,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:39:22 ImpRootNode [2023-11-19 03:39:22,234 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:39:22,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:39:22,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:39:22,236 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:39:22,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:21" (3/4) ... [2023-11-19 03:39:22,244 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:39:22,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:39:22,247 INFO L158 Benchmark]: Toolchain (without parser) took 2192.82ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 42.7MB in the end (delta: 38.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-19 03:39:22,247 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:22,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1078.35ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 77.1MB in the end (delta: 4.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:22,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.05ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:22,250 INFO L158 Benchmark]: Boogie Preprocessor took 47.89ms. Allocated memory is still 107.0MB. Free memory was 75.1MB in the beginning and 73.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:22,256 INFO L158 Benchmark]: RCFGBuilder took 521.00ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 56.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:39:22,259 INFO L158 Benchmark]: CodeCheck took 427.50ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 43.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:22,259 INFO L158 Benchmark]: Witness Printer took 10.78ms. Allocated memory is still 107.0MB. Free memory was 43.4MB in the beginning and 42.7MB in the end (delta: 618.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:22,269 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L770] CALL entry_point() [L766] CALL probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; [L766] RET probe_9() [L767] a9 = 0 [L770] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1078.35ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 77.1MB in the end (delta: 4.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.05ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.89ms. Allocated memory is still 107.0MB. Free memory was 75.1MB in the beginning and 73.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.00ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 56.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 427.50ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 43.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.78ms. Allocated memory is still 107.0MB. Free memory was 43.4MB in the beginning and 42.7MB in the end (delta: 618.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:39:22,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a73995-2615-46e8-8ee4-47cc78fc851b/bin/ukojak-verify-G8NBE6pJGL/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