./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/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_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/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 64bit --witnessprinter.graph.data.programhash c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:22,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:22,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:52:22,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:22,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:22,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:22,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:22,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:22,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:22,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:22,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:22,734 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:52:22,734 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:52:22,737 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:52:22,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:22,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:22,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:22,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:22,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:22,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:22,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:22,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:22,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:22,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:22,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:22,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:22,745 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_9b27143c-e316-4aa5-8fd7-2502867f45bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2023-11-24 22:52:23,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:23,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:23,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:23,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:23,165 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:23,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2023-11-24 22:52:26,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:26,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:26,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2023-11-24 22:52:26,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/data/3b5a21642/f6672551a9954d11aadcb2e1b8368f1b/FLAGde68f1acc [2023-11-24 22:52:26,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/data/3b5a21642/f6672551a9954d11aadcb2e1b8368f1b [2023-11-24 22:52:26,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:26,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:26,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:26,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:26,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:26,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:26" (1/1) ... [2023-11-24 22:52:26,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eeab385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:26, skipping insertion in model container [2023-11-24 22:52:26,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:26" (1/1) ... [2023-11-24 22:52:26,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:27,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:27,072 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:27,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:27,153 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:27,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27 WrapperNode [2023-11-24 22:52:27,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:27,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:27,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:27,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:27,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,206 INFO L138 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2023-11-24 22:52:27,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:27,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:27,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:27,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:27,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:27,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:27,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:27,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:27,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:27,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:27,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:27,514 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:27,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:27,733 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:27,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:27,775 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:52:27,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:27 BoogieIcfgContainer [2023-11-24 22:52:27,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:27,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:27,778 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:27,788 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:27,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-24 22:52:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-24 22:52:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:52:27,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-11-24 22:52:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-24 22:52:28,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:52:28,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-24 22:52:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-24 22:52:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:52:28,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-11-24 22:52:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-11-24 22:52:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:52:28,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2023-11-24 22:52:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-24 22:52:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:52:29,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-11-24 22:52:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-24 22:52:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:52:29,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:29,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-11-24 22:52:30,545 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-24 22:52:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:30,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-11-24 22:52:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-24 22:52:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:32,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:32,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2023-11-24 22:52:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2023-11-24 22:52:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:33,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:33,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2023-11-24 22:52:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2023-11-24 22:52:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:34,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:34,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2023-11-24 22:52:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2023-11-24 22:52:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:35,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:35,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2023-11-24 22:52:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2023-11-24 22:52:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:52:38,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:38,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2023-11-24 22:52:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2023-11-24 22:52:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:52:39,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:41,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-11-24 22:52:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-11-24 22:52:41,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:52:41,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:41,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2023-11-24 22:52:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2023-11-24 22:52:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:52:41,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2023-11-24 22:52:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2023-11-24 22:52:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:43,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:44,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2023-11-24 22:52:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2023-11-24 22:52:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:44,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2023-11-24 22:52:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2023-11-24 22:52:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:50,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 137 transitions. [2023-11-24 22:52:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-24 22:52:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:55,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 78 states and 162 transitions. [2023-11-24 22:53:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 162 transitions. [2023-11-24 22:53:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:53:05,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:53:10,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2023-11-24 22:53:10,822 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2023-11-24 22:53:10,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:53:10,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:10,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 88 states and 190 transitions. [2023-11-24 22:53:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 190 transitions. [2023-11-24 22:53:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:53:12,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:12,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:12,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:13,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:13,052 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2023-11-24 22:53:13,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc11 [2023-11-24 22:53:13,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated [2023-11-24 22:53:13,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre2 could not be translated [2023-11-24 22:53:13,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post8 [2023-11-24 22:53:13,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-24 22:53:13,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:13 ImpRootNode [2023-11-24 22:53:13,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:13,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:13,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:13,117 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:13,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:27" (3/4) ... [2023-11-24 22:53:13,119 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:53:13,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc11 [2023-11-24 22:53:13,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre2 could not be translated [2023-11-24 22:53:13,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated [2023-11-24 22:53:13,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-24 22:53:13,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post8 [2023-11-24 22:53:13,188 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:53:13,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:13,193 INFO L158 Benchmark]: Toolchain (without parser) took 46533.85ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 135.2MB in the beginning and 114.3MB in the end (delta: 20.9MB). Peak memory consumption was 199.9MB. Max. memory is 16.1GB. [2023-11-24 22:53:13,193 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:13,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.46ms. Allocated memory is still 165.7MB. Free memory was 135.2MB in the beginning and 118.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:53:13,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.88ms. Allocated memory is still 165.7MB. Free memory was 118.4MB in the beginning and 116.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:13,195 INFO L158 Benchmark]: Boogie Preprocessor took 40.43ms. Allocated memory is still 165.7MB. Free memory was 116.3MB in the beginning and 115.5MB in the end (delta: 772.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:13,195 INFO L158 Benchmark]: RCFGBuilder took 527.33ms. Allocated memory is still 165.7MB. Free memory was 115.5MB in the beginning and 122.0MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:53:13,201 INFO L158 Benchmark]: CodeCheck took 45338.57ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 122.0MB in the beginning and 117.5MB in the end (delta: 4.6MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:13,201 INFO L158 Benchmark]: Witness Printer took 75.42ms. Allocated memory is still 346.0MB. Free memory was 117.5MB in the beginning and 114.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:13,204 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, 30 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 45.3s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1192 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 974 mSDsluCounter, 2503 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2141 mSDsCounter, 1106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3503 IncrementalHoareTripleChecker+Invalid, 4609 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1106 mSolverCounterUnsat, 362 mSDtfsCounter, 3503 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1967 GetRequests, 1637 SyntacticMatches, 14 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41651 ImplicationChecksByTransitivity, 40.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 1157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 19 PerfectInterpolantSequences, 1/4 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: [L529] int in_len = __VERIFIER_nondet_int(); [L530] COND FALSE !(in_len < 1) [L531] char* in = __builtin_alloca (in_len); VAL [in={3:0}, in_len=1] [L532] in[in_len-1]=0 [L533] int out_len = __VERIFIER_nondet_int(); [L534] COND FALSE !(out_len < 1) [L535] char* out = __builtin_alloca (out_len); [L536] CALL strlcpy(in, out, out_len) [L511] register char *d = dst; [L512] register const char *s = src; [L513] register size_t n = siz; [L514] n != 0 && --n != 0 [L514] EXPR --n [L514] n != 0 && --n != 0 VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L514] COND FALSE !(n != 0 && --n != 0) [L520] COND TRUE n == 0 VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L521] COND TRUE siz != 0 VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L522] *d = '\0' VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L523] EXPR s++ VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:1}, siz=1, src={2:0}, src={2:0}] [L523] COND TRUE *s++ * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.46ms. Allocated memory is still 165.7MB. Free memory was 135.2MB in the beginning and 118.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.88ms. Allocated memory is still 165.7MB. Free memory was 118.4MB in the beginning and 116.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.43ms. Allocated memory is still 165.7MB. Free memory was 116.3MB in the beginning and 115.5MB in the end (delta: 772.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.33ms. Allocated memory is still 165.7MB. Free memory was 115.5MB in the beginning and 122.0MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 45338.57ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 122.0MB in the beginning and 117.5MB in the end (delta: 4.6MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. * Witness Printer took 75.42ms. Allocated memory is still 346.0MB. Free memory was 117.5MB in the beginning and 114.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~post8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~post8 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:53:13,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b27143c-e316-4aa5-8fd7-2502867f45bc/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)