./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/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_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/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_116338f3-e4ff-49ac-b615-6e37c5daad0b/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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:08,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:09,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:57:09,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:09,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:09,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:09,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:09,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:09,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:09,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:09,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:09,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:09,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:09,120 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:57:09,120 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:57:09,121 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:57:09,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:09,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:57:09,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:09,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:09,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:09,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:09,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:09,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:09,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:09,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:09,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:09,128 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:09,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:09,129 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_116338f3-e4ff-49ac-b615-6e37c5daad0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-11-19 02:57:09,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:09,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:09,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:09,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:09,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:09,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 02:57:12,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:12,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:12,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 02:57:12,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data/c6d328b9f/36123c940cf04b9cb40e36c957188448/FLAGad92b87d6 [2023-11-19 02:57:13,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data/c6d328b9f/36123c940cf04b9cb40e36c957188448 [2023-11-19 02:57:13,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:13,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:13,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:13,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:13,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:13,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129ebe29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13, skipping insertion in model container [2023-11-19 02:57:13,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:13,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:13,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:13,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:13,795 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:57:13,803 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:13,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13 WrapperNode [2023-11-19 02:57:13,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:13,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:13,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:13,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:13,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,874 INFO L138 Inliner]: procedures = 166, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 27 [2023-11-19 02:57:13,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:13,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:13,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:13,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:13,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:13,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:13,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:13,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:13,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2023-11-19 02:57:13,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:13,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:13,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:13,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:57:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:57:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:14,117 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:14,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:14,212 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:14,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:14,283 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:57:14,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:14 BoogieIcfgContainer [2023-11-19 02:57:14,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:14,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:14,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:14,310 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:14,310 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:14" (1/1) ... [2023-11-19 02:57:14,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 02:57:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 02:57:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:57:14,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:14,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:14,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:14,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:14,638 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:57:14,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:57:14 ImpRootNode [2023-11-19 02:57:14,667 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:57:14,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:57:14,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:57:14,671 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:57:14,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:14" (3/4) ... [2023-11-19 02:57:14,678 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:57:14,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:57:14,681 INFO L158 Benchmark]: Toolchain (without parser) took 1664.70ms. Allocated memory was 136.3MB in the beginning and 209.7MB in the end (delta: 73.4MB). Free memory was 73.5MB in the beginning and 132.8MB in the end (delta: -59.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:14,682 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.6MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:14,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.51ms. Allocated memory was 136.3MB in the beginning and 209.7MB in the end (delta: 73.4MB). Free memory was 73.3MB in the beginning and 162.7MB in the end (delta: -89.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-19 02:57:14,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.98ms. Allocated memory is still 209.7MB. Free memory was 162.7MB in the beginning and 160.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:14,687 INFO L158 Benchmark]: Boogie Preprocessor took 30.81ms. Allocated memory is still 209.7MB. Free memory was 160.5MB in the beginning and 158.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:14,688 INFO L158 Benchmark]: RCFGBuilder took 393.31ms. Allocated memory is still 209.7MB. Free memory was 158.8MB in the beginning and 145.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:57:14,689 INFO L158 Benchmark]: CodeCheck took 366.24ms. Allocated memory is still 209.7MB. Free memory was 144.9MB in the beginning and 132.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:57:14,697 INFO L158 Benchmark]: Witness Printer took 10.16ms. Allocated memory is still 209.7MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:14,706 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 0.37ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.6MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.51ms. Allocated memory was 136.3MB in the beginning and 209.7MB in the end (delta: 73.4MB). Free memory was 73.3MB in the beginning and 162.7MB in the end (delta: -89.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.98ms. Allocated memory is still 209.7MB. Free memory was 162.7MB in the beginning and 160.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.81ms. Allocated memory is still 209.7MB. Free memory was 160.5MB in the beginning and 158.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.31ms. Allocated memory is still 209.7MB. Free memory was 158.8MB in the beginning and 145.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 366.24ms. Allocated memory is still 209.7MB. Free memory was 144.9MB in the beginning and 132.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.16ms. Allocated memory is still 209.7MB. Free memory is still 132.8MB. 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 02:57:14,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/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_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/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_116338f3-e4ff-49ac-b615-6e37c5daad0b/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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:17,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:17,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 02:57:17,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:17,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:17,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:17,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:17,747 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:17,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:17,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:17,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:17,755 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:57:17,755 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:57:17,757 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:57:17,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:17,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:57:17,759 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:57:17,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:57:17,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:57:17,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:17,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:17,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:17,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:17,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:17,764 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:17,765 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:57:17,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:17,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:17,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:17,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:17,769 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:57:17,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:17,769 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:57:17,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:57:17,770 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_116338f3-e4ff-49ac-b615-6e37c5daad0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-11-19 02:57:18,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:18,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:18,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:18,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:18,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:18,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 02:57:21,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:21,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:21,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 02:57:21,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data/9dc7a0d65/9aa39faa92d641aeb3918941452b205c/FLAGd9b84f64f [2023-11-19 02:57:21,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/data/9dc7a0d65/9aa39faa92d641aeb3918941452b205c [2023-11-19 02:57:21,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:21,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:21,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:21,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:21,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:21,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:21" (1/1) ... [2023-11-19 02:57:21,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6d3d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:21, skipping insertion in model container [2023-11-19 02:57:21,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:21" (1/1) ... [2023-11-19 02:57:21,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:22,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:22,534 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:57:22,557 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:22,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:22,647 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:22,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:22,820 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:57:22,829 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:22,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22 WrapperNode [2023-11-19 02:57:22,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:22,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:22,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:22,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:22,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,928 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 27 [2023-11-19 02:57:22,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:22,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:22,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:22,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:22,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:22,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:22,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:22,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:22,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:22" (1/1) ... [2023-11-19 02:57:22,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:23,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:23,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:23,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:57:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:57:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:23,260 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:23,261 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:23,371 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:23,452 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:23,452 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:57:23,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:23 BoogieIcfgContainer [2023-11-19 02:57:23,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:23,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:23,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:23,469 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:23,469 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:23" (1/1) ... [2023-11-19 02:57:23,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:23,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 02:57:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 02:57:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:57:23,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:23,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:23,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:57:23,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:57:23,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:57:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:23,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:23,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:23,857 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:57:23,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:57:23,865 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:57:23,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:57:23 ImpRootNode [2023-11-19 02:57:23,891 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:57:23,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:57:23,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:57:23,896 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:57:23,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:23" (3/4) ... [2023-11-19 02:57:23,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:57:23,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:57:23,906 INFO L158 Benchmark]: Toolchain (without parser) took 2067.43ms. Allocated memory is still 115.3MB. Free memory was 89.3MB in the beginning and 68.3MB in the end (delta: 21.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-19 02:57:23,907 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:23,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.58ms. Allocated memory is still 115.3MB. Free memory was 89.3MB in the beginning and 61.1MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:57:23,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.60ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 58.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:23,910 INFO L158 Benchmark]: Boogie Preprocessor took 51.06ms. Allocated memory is still 115.3MB. Free memory was 58.9MB in the beginning and 57.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:23,916 INFO L158 Benchmark]: RCFGBuilder took 474.81ms. Allocated memory is still 115.3MB. Free memory was 57.5MB in the beginning and 79.5MB in the end (delta: -22.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-19 02:57:23,918 INFO L158 Benchmark]: CodeCheck took 433.70ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 68.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:57:23,919 INFO L158 Benchmark]: Witness Printer took 10.06ms. Allocated memory is still 115.3MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:23,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 0.45ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 990.58ms. Allocated memory is still 115.3MB. Free memory was 89.3MB in the beginning and 61.1MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.60ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 58.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.06ms. Allocated memory is still 115.3MB. Free memory was 58.9MB in the beginning and 57.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.81ms. Allocated memory is still 115.3MB. Free memory was 57.5MB in the beginning and 79.5MB in the end (delta: -22.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * CodeCheck took 433.70ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 68.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.06ms. Allocated memory is still 115.3MB. Free memory is still 68.3MB. 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 02:57:23,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116338f3-e4ff-49ac-b615-6e37c5daad0b/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