./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/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_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/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_5375fe22-178e-4ee2-9af2-36a1b57a324b/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:19,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:20,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:03:20,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:20,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:20,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:20,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:20,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:20,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:20,122 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:20,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:20,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:20,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:20,125 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:03:20,125 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:03:20,125 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:03:20,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:20,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:20,126 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:20,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:20,127 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:20,128 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:20,128 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:20,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:20,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:20,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:20,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:20,131 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:20,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:20,131 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_5375fe22-178e-4ee2-9af2-36a1b57a324b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2023-11-19 04:03:20,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:20,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:20,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:20,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:20,477 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:20,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-19 04:03:23,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:23,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:23,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-19 04:03:24,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data/96e8cf622/f079125d9ddf492ba384cf9148ed4996/FLAG94257fdd0 [2023-11-19 04:03:24,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data/96e8cf622/f079125d9ddf492ba384cf9148ed4996 [2023-11-19 04:03:24,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:24,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:24,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:24,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:24,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:24,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371c2690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24, skipping insertion in model container [2023-11-19 04:03:24,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:24,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:24,574 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:24,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:24,690 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:24,699 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:24,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24 WrapperNode [2023-11-19 04:03:24,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:24,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:24,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:24,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:24,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,751 INFO L138 Inliner]: procedures = 164, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 24 [2023-11-19 04:03:24,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:24,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:24,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:24,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:24,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:24,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:24,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:24,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:24,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:24" (1/1) ... [2023-11-19 04:03:24,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:24,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:24,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:24,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:03:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:03:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:24,984 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:24,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:25,080 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:25,143 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:25,143 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:03:25,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:25 BoogieIcfgContainer [2023-11-19 04:03:25,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:25,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:25,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:25,161 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:25,161 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:25" (1/1) ... [2023-11-19 04:03:25,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 04:03:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 04:03:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:03:25,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:25,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:25,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:25,473 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:03:25,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:03:25 ImpRootNode [2023-11-19 04:03:25,495 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:03:25,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:03:25,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:03:25,497 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:03:25,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:25" (3/4) ... [2023-11-19 04:03:25,500 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:03:25,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:03:25,503 INFO L158 Benchmark]: Toolchain (without parser) took 1459.60ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 88.8MB in the beginning and 156.6MB in the end (delta: -67.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:25,503 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:25,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.28ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 66.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 04:03:25,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 136.3MB. Free memory was 66.6MB in the beginning and 64.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:25,506 INFO L158 Benchmark]: Boogie Preprocessor took 25.34ms. Allocated memory is still 136.3MB. Free memory was 64.6MB in the beginning and 63.6MB in the end (delta: 993.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:25,507 INFO L158 Benchmark]: RCFGBuilder took 369.74ms. Allocated memory is still 136.3MB. Free memory was 63.1MB in the beginning and 50.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:25,507 INFO L158 Benchmark]: CodeCheck took 346.19ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 50.5MB in the beginning and 156.6MB in the end (delta: -106.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:25,508 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 195.0MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:25,516 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: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.28ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 66.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 136.3MB. Free memory was 66.6MB in the beginning and 64.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.34ms. Allocated memory is still 136.3MB. Free memory was 64.6MB in the beginning and 63.6MB in the end (delta: 993.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.74ms. Allocated memory is still 136.3MB. Free memory was 63.1MB in the beginning and 50.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 346.19ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 50.5MB in the beginning and 156.6MB in the end (delta: -106.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 195.0MB. Free memory is still 156.6MB. 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 04:03:25,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/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_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/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_5375fe22-178e-4ee2-9af2-36a1b57a324b/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:28,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:28,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 04:03:28,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:28,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:28,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:28,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:28,574 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:28,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:28,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:28,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:28,582 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:03:28,582 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:03:28,584 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:03:28,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:28,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:03:28,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:03:28,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:03:28,587 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:28,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:28,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:28,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:28,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:28,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:28,590 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:28,591 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:28,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:28,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:28,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:28,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:28,595 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:03:28,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:28,596 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:03:28,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:28,596 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_5375fe22-178e-4ee2-9af2-36a1b57a324b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2023-11-19 04:03:29,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:29,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:29,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:29,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:29,051 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:29,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-19 04:03:32,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:32,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:32,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-19 04:03:32,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data/ef57cd8ca/940a7217199745b7a315892d6b86b546/FLAGaed8d6362 [2023-11-19 04:03:32,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/data/ef57cd8ca/940a7217199745b7a315892d6b86b546 [2023-11-19 04:03:32,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:32,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:32,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:32,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:32,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:32,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:32" (1/1) ... [2023-11-19 04:03:32,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6141e721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:32, skipping insertion in model container [2023-11-19 04:03:32,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:32" (1/1) ... [2023-11-19 04:03:32,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:33,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:33,321 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:03:33,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:33,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:33,428 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:33,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:33,597 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:33,603 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:33,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33 WrapperNode [2023-11-19 04:03:33,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:33,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:33,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:33,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:33,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,669 INFO L138 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 24 [2023-11-19 04:03:33,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:33,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:33,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:33,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:33,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:33,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:33,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:33,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:33,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:33,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:33,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:33,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:03:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:03:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:33,948 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:33,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:34,041 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:34,120 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:34,121 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:03:34,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:34 BoogieIcfgContainer [2023-11-19 04:03:34,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:34,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:34,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:34,137 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:34,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:34" (1/1) ... [2023-11-19 04:03:34,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 04:03:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 04:03:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:03:34,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:34,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:34,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:34,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:34,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:03:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:34,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:34,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:34,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 04:03:34,415 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:03:34,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:03:34 ImpRootNode [2023-11-19 04:03:34,437 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:03:34,438 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:03:34,438 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:03:34,439 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:03:34,439 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:34" (3/4) ... [2023-11-19 04:03:34,441 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:03:34,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:03:34,451 INFO L158 Benchmark]: Toolchain (without parser) took 1703.39ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 56.1MB in the end (delta: 30.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:34,452 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:34,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.21ms. Allocated memory is still 113.2MB. Free memory was 86.6MB in the beginning and 84.4MB in the end (delta: 2.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 04:03:34,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.90ms. Allocated memory is still 113.2MB. Free memory was 84.4MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:34,454 INFO L158 Benchmark]: Boogie Preprocessor took 27.04ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:34,455 INFO L158 Benchmark]: RCFGBuilder took 426.94ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 67.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:34,455 INFO L158 Benchmark]: CodeCheck took 311.37ms. Allocated memory is still 113.2MB. Free memory was 67.2MB in the beginning and 56.1MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:34,456 INFO L158 Benchmark]: Witness Printer took 12.33ms. Allocated memory is still 113.2MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:34,472 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: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.21ms. Allocated memory is still 113.2MB. Free memory was 86.6MB in the beginning and 84.4MB in the end (delta: 2.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.90ms. Allocated memory is still 113.2MB. Free memory was 84.4MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.04ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.94ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 67.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 311.37ms. Allocated memory is still 113.2MB. Free memory was 67.2MB in the beginning and 56.1MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 12.33ms. Allocated memory is still 113.2MB. Free memory is still 56.1MB. 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 04:03:34,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5375fe22-178e-4ee2-9af2-36a1b57a324b/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