./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b --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 0.3.0-dev-d790fec [2024-12-06 04:46:07,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:46:07,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-06 04:46:07,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:46:07,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:46:07,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:46:07,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:46:07,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:46:07,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:46:07,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:46:07,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:46:07,328 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:46:07,328 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:46:07,328 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:46:07,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:46:07,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:46:07,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:46:07,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:46:07,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:46:07,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:46:07,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:46:07,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:46:07,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:07,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:46:07,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:46:07,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:46:07,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:46:07,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 04:46:07,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:46:07,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:46:07,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:46:07,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:46:07,546 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:46:07,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2024-12-06 04:46:10,119 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/data/ab9675206/bc7204dd1c814612a225b3727b39fa56/FLAGf22bcbf90 [2024-12-06 04:46:10,352 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:46:10,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2024-12-06 04:46:10,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/data/ab9675206/bc7204dd1c814612a225b3727b39fa56/FLAGf22bcbf90 [2024-12-06 04:46:10,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/data/ab9675206/bc7204dd1c814612a225b3727b39fa56 [2024-12-06 04:46:10,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:46:10,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:46:10,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:10,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:46:10,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:46:10,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:10" (1/1) ... [2024-12-06 04:46:10,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efa2884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:10, skipping insertion in model container [2024-12-06 04:46:10,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:10" (1/1) ... [2024-12-06 04:46:10,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:46:10,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:10,973 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:46:11,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:11,028 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:46:11,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11 WrapperNode [2024-12-06 04:46:11,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:11,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:11,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:46:11,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:46:11,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,058 INFO L138 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-12-06 04:46:11,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:11,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:46:11,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:46:11,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:46:11,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:46:11,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:46:11,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:46:11,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:46:11,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:11,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:46:11,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:46:11,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:46:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:46:11,191 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:46:11,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:46:11,355 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-12-06 04:46:11,355 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:46:11,391 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:46:11,391 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:46:11,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:11 BoogieIcfgContainer [2024-12-06 04:46:11,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:46:11,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:46:11,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:46:11,399 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:46:11,399 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:11" (1/1) ... [2024-12-06 04:46:11,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:46:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-12-06 04:46:11,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-12-06 04:46:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:46:11,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-12-06 04:46:11,597 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-12-06 04:46:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:46:11,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2024-12-06 04:46:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2024-12-06 04:46:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:46:11,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:11,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-12-06 04:46:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-12-06 04:46:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:46:12,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:12,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 04:46:12,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 04:46:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:46:12,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:12,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-12-06 04:46:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-12-06 04:46:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:46:12,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-12-06 04:46:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-12-06 04:46:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:46:13,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:13,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-12-06 04:46:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-12-06 04:46:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:46:14,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:14,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2024-12-06 04:46:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2024-12-06 04:46:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:46:14,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:14,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2024-12-06 04:46:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2024-12-06 04:46:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:46:16,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2024-12-06 04:46:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2024-12-06 04:46:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:46:17,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2024-12-06 04:46:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2024-12-06 04:46:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:46:18,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:18,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2024-12-06 04:46:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2024-12-06 04:46:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:46:19,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:19,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:20,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2024-12-06 04:46:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-12-06 04:46:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:46:20,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:20,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2024-12-06 04:46:20,795 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2024-12-06 04:46:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:46:20,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-12-06 04:46:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-12-06 04:46:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:46:22,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 116 transitions. [2024-12-06 04:46:24,031 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2024-12-06 04:46:24,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:46:24,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:24,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 133 transitions. [2024-12-06 04:46:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2024-12-06 04:46:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:46:28,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 137 transitions. [2024-12-06 04:46:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2024-12-06 04:46:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:46:30,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:30,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:32,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 74 states and 150 transitions. [2024-12-06 04:46:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 150 transitions. [2024-12-06 04:46:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:46:32,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:32,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 81 states and 174 transitions. [2024-12-06 04:46:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 174 transitions. [2024-12-06 04:46:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:46:38,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 83 states and 175 transitions. [2024-12-06 04:46:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 175 transitions. [2024-12-06 04:46:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:46:39,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:39,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:46:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 84 states and 178 transitions. [2024-12-06 04:46:40,653 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 178 transitions. [2024-12-06 04:46:40,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:46:40,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:40,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:40,664 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:46:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:40,715 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:46:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:40,746 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2024-12-06 04:46:40,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:46:40 ImpRootNode [2024-12-06 04:46:40,770 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:46:40,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:46:40,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:46:40,771 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:46:40,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:11" (3/4) ... [2024-12-06 04:46:40,772 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:46:40,808 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 04:46:40,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:46:40,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:46:40,850 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:46:40,851 INFO L158 Benchmark]: Toolchain (without parser) took 30138.24ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 115.8MB in the beginning and 90.7MB in the end (delta: 25.1MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2024-12-06 04:46:40,852 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:40,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.88ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 99.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:46:40,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.17ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:40,852 INFO L158 Benchmark]: Boogie Preprocessor took 22.14ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 96.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:40,853 INFO L158 Benchmark]: RCFGBuilder took 310.24ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 79.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:46:40,853 INFO L158 Benchmark]: CodeCheck took 29377.88ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.1MB in the beginning and 94.8MB in the end (delta: -15.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-12-06 04:46:40,853 INFO L158 Benchmark]: Witness Printer took 79.91ms. Allocated memory is still 176.2MB. Free memory was 94.8MB in the beginning and 90.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:46:40,855 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: 29.3s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1302 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1042 mSDsluCounter, 2838 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2438 mSDsCounter, 1255 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3753 IncrementalHoareTripleChecker+Invalid, 5008 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1255 mSolverCounterUnsat, 400 mSDtfsCounter, 3753 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2061 GetRequests, 1739 SyntacticMatches, 12 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41054 ImplicationChecksByTransitivity, 26.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 1069 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 3/8 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, ConComCheckerStatistics: 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={2:0}, 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 [d={2:0}, n=0, s={3:0}, siz=1] [L514] COND FALSE !(n != 0 && --n != 0) [L520] COND TRUE n == 0 VAL [d={2:0}, s={3:0}, siz=1] [L521] COND TRUE siz != 0 VAL [d={2:0}, s={3:0}] [L522] *d = '\0' VAL [s={3:0}] [L523] EXPR s++ VAL [s={3:1}] [L523] COND TRUE *s++ * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.88ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 99.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.17ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.14ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 96.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.24ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 79.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 29377.88ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.1MB in the beginning and 94.8MB in the end (delta: -15.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Witness Printer took 79.91ms. Allocated memory is still 176.2MB. Free memory was 94.8MB in the beginning and 90.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:46:40,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e912d5df-3056-4a6a-b093-6d11eecca70c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)