./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:21,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:21,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:00:21,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:21,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:21,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:21,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:21,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:21,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:21,420 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:21,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:21,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:21,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:21,422 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:00:21,423 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:00:21,423 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:00:21,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:21,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:21,425 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:21,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:21,426 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:21,427 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:21,427 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:21,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:21,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:21,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:21,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:21,429 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:21,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:21,430 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_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-11-24 23:00:21,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:21,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:21,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:21,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:21,808 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:21,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-24 23:00:24,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:25,253 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:25,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-24 23:00:25,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data/ddf06c3bf/6f34028032434297a335a5c643ccc628/FLAG57c99b793 [2023-11-24 23:00:25,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data/ddf06c3bf/6f34028032434297a335a5c643ccc628 [2023-11-24 23:00:25,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:25,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:25,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:25,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:25,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:25,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:25" (1/1) ... [2023-11-24 23:00:25,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c682163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:25, skipping insertion in model container [2023-11-24 23:00:25,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:25" (1/1) ... [2023-11-24 23:00:25,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:25,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:25,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:25,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:26,016 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:26,025 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:26,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26 WrapperNode [2023-11-24 23:00:26,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:26,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:26,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:26,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:26,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,117 INFO L138 Inliner]: procedures = 166, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 27 [2023-11-24 23:00:26,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:26,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:26,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:26,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:26,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:26,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:26,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:26,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:26,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:26,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:26,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:26,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:00:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:00:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:26,433 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:26,437 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:26,520 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:26,590 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:26,590 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:26,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:26 BoogieIcfgContainer [2023-11-24 23:00:26,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:26,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:26,593 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:26,603 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:26,604 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 23:00:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 23:00:26,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:00:26,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:26,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:26,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:26,863 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:26,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:26 ImpRootNode [2023-11-24 23:00:26,882 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:26,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:26,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:26,883 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:26,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:26" (3/4) ... [2023-11-24 23:00:26,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:26,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:26,901 INFO L158 Benchmark]: Toolchain (without parser) took 1611.34ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 88.4MB in the end (delta: 40.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:26,902 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:26,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.64ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 117.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:26,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.78ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:26,906 INFO L158 Benchmark]: Boogie Preprocessor took 49.07ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 114.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:26,907 INFO L158 Benchmark]: RCFGBuilder took 423.80ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 101.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:26,908 INFO L158 Benchmark]: CodeCheck took 289.21ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 88.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:26,912 INFO L158 Benchmark]: Witness Printer took 17.33ms. Allocated memory is still 167.8MB. Free memory was 88.8MB in the beginning and 88.4MB in the end (delta: 463.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:26,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.64ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 117.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.78ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.07ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 114.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.80ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 101.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 289.21ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 88.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 17.33ms. Allocated memory is still 167.8MB. Free memory was 88.8MB in the beginning and 88.4MB in the end (delta: 463.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:26,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/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_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:29,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:29,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:00:29,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:29,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:29,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:29,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:29,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:29,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:29,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:29,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:29,685 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:00:29,685 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:00:29,687 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:00:29,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:29,688 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:29,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:29,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:29,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:29,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:29,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:29,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:29,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:29,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:29,694 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:29,694 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:29,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:29,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:29,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:29,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:29,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:29,699 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:29,699 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:29,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:29,700 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_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-11-24 23:00:30,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:30,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:30,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:30,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:30,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:30,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-24 23:00:33,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:33,669 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:33,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-24 23:00:33,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data/2a27451bc/77fcae38798040c19425ea4c9051388b/FLAG625e1ee6f [2023-11-24 23:00:33,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/data/2a27451bc/77fcae38798040c19425ea4c9051388b [2023-11-24 23:00:33,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:33,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:33,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:33,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:33,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:33,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:33" (1/1) ... [2023-11-24 23:00:33,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e42cd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:33, skipping insertion in model container [2023-11-24 23:00:33,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:33" (1/1) ... [2023-11-24 23:00:33,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:34,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:34,422 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:00:34,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:34,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:34,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:34,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:34,643 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:34,651 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:34,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34 WrapperNode [2023-11-24 23:00:34,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:34,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:34,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:34,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:34,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,707 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 27 [2023-11-24 23:00:34,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:34,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:34,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:34,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:34,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:34,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:34,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:34,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:34,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:34,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:34,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:34,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:00:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:35,024 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:35,026 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:35,166 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:35,265 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:35,266 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:35,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:35 BoogieIcfgContainer [2023-11-24 23:00:35,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:35,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:35,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:35,279 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:35,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 23:00:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 23:00:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:00:35,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:35,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:35,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:35,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:35,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:00:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:35,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:35,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:35,609 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:00:35,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:00:35,617 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:35,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:35 ImpRootNode [2023-11-24 23:00:35,635 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:35,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:35,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:35,636 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:35,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:35" (3/4) ... [2023-11-24 23:00:35,639 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:35,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:35,641 INFO L158 Benchmark]: Toolchain (without parser) took 1924.67ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 49.4MB in the end (delta: -2.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:35,641 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:35,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 933.18ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 54.3MB in the end (delta: -7.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:35,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.28ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 52.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:35,643 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 50.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:35,644 INFO L158 Benchmark]: RCFGBuilder took 533.46ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 60.7MB in the end (delta: -10.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-24 23:00:35,645 INFO L158 Benchmark]: CodeCheck took 366.19ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 49.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:35,645 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 49.4MB in the end (delta: 392.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:35,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 933.18ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 54.3MB in the end (delta: -7.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.28ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 52.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 50.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.46ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 60.7MB in the end (delta: -10.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CodeCheck took 366.19ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 49.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 49.4MB in the end (delta: 392.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:35,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd19a309-9d0a-4424-9cbb-7e8b602aa740/bin/ukojak-verify-afCqCEvfdi/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