./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes1.c --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_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/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_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/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_77dd7606-f49f-48ef-8bdf-80dfafc44103/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 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:49,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:49,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:09:49,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:49,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:49,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:49,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:49,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:49,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:49,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:49,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:49,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:49,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:49,657 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:09:49,658 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:09:49,658 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:09:49,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:49,659 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:49,660 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:49,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:49,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:49,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:49,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:49,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:49,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:49,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:49,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:49,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:49,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:49,666 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_77dd7606-f49f-48ef-8bdf-80dfafc44103/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a [2023-11-19 03:09:49,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:50,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:50,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:50,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:50,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:50,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-ext3/scopes1.c [2023-11-19 03:09:53,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:53,576 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:53,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/sv-benchmarks/c/memsafety-ext3/scopes1.c [2023-11-19 03:09:53,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/data/37a6cd82d/0f59a351b12b4969b8504733a8a299de/FLAGcd15f68b2 [2023-11-19 03:09:53,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/data/37a6cd82d/0f59a351b12b4969b8504733a8a299de [2023-11-19 03:09:53,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:53,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:53,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:53,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:53,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:53,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39528de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53, skipping insertion in model container [2023-11-19 03:09:53,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:53,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:53,810 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:53,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:53,838 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:53,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53 WrapperNode [2023-11-19 03:09:53,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:53,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:53,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:53,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:53,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,878 INFO L138 Inliner]: procedures = 9, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-11-19 03:09:53,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:53,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:53,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:53,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:53,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:53,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:53,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:53,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:53,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:53" (1/1) ... [2023-11-19 03:09:53,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:53,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:53,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:09:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:54,065 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:54,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:54,201 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:54,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:54,234 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:09:54,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:54 BoogieIcfgContainer [2023-11-19 03:09:54,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:54,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:54,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:54,251 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:54,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:54" (1/1) ... [2023-11-19 03:09:54,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2023-11-19 03:09:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-11-19 03:09:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:09:54,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:54,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:54,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:09:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:54,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:09:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:54,520 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:09:54,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:09:54 ImpRootNode [2023-11-19 03:09:54,546 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:09:54,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:09:54,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:09:54,548 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:09:54,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:54" (3/4) ... [2023-11-19 03:09:54,549 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:09:54,627 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:09:54,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:09:54,633 INFO L158 Benchmark]: Toolchain (without parser) took 1022.09ms. Allocated memory is still 155.2MB. Free memory was 125.1MB in the beginning and 87.2MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:09:54,635 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:54,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.40ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 115.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:09:54,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.58ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:54,641 INFO L158 Benchmark]: Boogie Preprocessor took 21.11ms. Allocated memory is still 155.2MB. Free memory was 113.7MB in the beginning and 112.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:54,645 INFO L158 Benchmark]: RCFGBuilder took 339.01ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 101.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:09:54,649 INFO L158 Benchmark]: CodeCheck took 305.40ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 89.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:09:54,649 INFO L158 Benchmark]: Witness Printer took 83.18ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 87.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:54,654 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, 10 locations, 5 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L4] int *myPointerA = ((void*) 0); [L5] int *myPointerB = ((void*) 0); [L8] int myNumberA = 7; [L9] EXPR myPointerA = &myNumberA [L8] int myNumberA = 7; [L7-L11] { int myNumberA = 7; myPointerA = &myNumberA; // scope of myNumber ends here } [L13] int myNumberB = 3; [L14] myPointerB = &myNumberB VAL [myNumberB={592:0}, myPointerA={593:0}, myPointerB={592:0}] [L16] \read(*myPointerA) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.40ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 115.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.58ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.11ms. Allocated memory is still 155.2MB. Free memory was 113.7MB in the beginning and 112.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.01ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 101.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 305.40ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 89.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 83.18ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 87.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:09:54,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77dd7606-f49f-48ef-8bdf-80dfafc44103/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)