./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/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_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/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 32bit --witnessprinter.graph.data.programhash db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:18:30,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:18:30,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 02:18:30,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:18:30,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:18:30,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:18:30,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:18:30,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:18:30,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:18:30,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:18:30,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:18:30,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:18:30,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:18:30,345 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:18:30,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:18:30,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:18:30,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:18:30,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:18:30,346 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:18:30,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:18:30,346 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_7e63aee8-41b2-47f3-8eed-4d0b349cacab/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b [2024-12-06 02:18:30,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:18:30,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:18:30,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:18:30,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:18:30,550 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:18:30,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2024-12-06 02:18:33,203 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/data/164ba9c84/c16efd1de8c74a29b92ded9a617eb721/FLAG73c9d7a75 [2024-12-06 02:18:33,367 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:18:33,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2024-12-06 02:18:33,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/data/164ba9c84/c16efd1de8c74a29b92ded9a617eb721/FLAG73c9d7a75 [2024-12-06 02:18:33,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/data/164ba9c84/c16efd1de8c74a29b92ded9a617eb721 [2024-12-06 02:18:33,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:18:33,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:18:33,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:18:33,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:18:33,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:18:33,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efa99b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33, skipping insertion in model container [2024-12-06 02:18:33,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:18:33,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:18:33,887 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:18:33,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:18:33,912 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:18:33,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33 WrapperNode [2024-12-06 02:18:33,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:18:33,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:18:33,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:18:33,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:18:33,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,935 INFO L138 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2024-12-06 02:18:33,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:18:33,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:18:33,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:18:33,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:18:33,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,945 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:18:33,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:18:33,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:18:33,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:18:33,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:33" (1/1) ... [2024-12-06 02:18:33,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:18:33,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:18:33,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:18:33,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:18:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:18:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:18:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:18:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:18:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:18:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:18:34,068 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:18:34,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:18:34,233 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-12-06 02:18:34,233 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:18:34,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:18:34,288 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 02:18:34,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:34 BoogieIcfgContainer [2024-12-06 02:18:34,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:18:34,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:18:34,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:18:34,299 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:18:34,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:34" (1/1) ... [2024-12-06 02:18:34,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:18:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 02:18:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 02:18:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:18:34,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:34,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:34,476 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 02:18:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-12-06 02:18:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-12-06 02:18:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:18:34,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:34,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:34,640 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 02:18:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-12-06 02:18:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-12-06 02:18:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:18:34,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:34,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:34,950 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 02:18:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2024-12-06 02:18:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-12-06 02:18:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:18:35,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:35,295 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 02:18:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-06 02:18:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-06 02:18:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:18:35,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:35,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:18:35,468 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:18:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:18:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:18:35,506 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:18:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:18:35,521 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 02:18:35,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:18:35 ImpRootNode [2024-12-06 02:18:35,539 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:18:35,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:18:35,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:18:35,540 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:18:35,541 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:34" (3/4) ... [2024-12-06 02:18:35,541 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:18:35,568 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-06 02:18:35,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:18:35,615 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:18:35,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:18:35,615 INFO L158 Benchmark]: Toolchain (without parser) took 1854.03ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 89.3MB in the end (delta: 3.1MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-12-06 02:18:35,616 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:35,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.36ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:18:35,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.10ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:35,616 INFO L158 Benchmark]: Boogie Preprocessor took 17.12ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 898.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:18:35,617 INFO L158 Benchmark]: RCFGBuilder took 335.70ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 61.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:18:35,617 INFO L158 Benchmark]: CodeCheck took 1249.61ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 35.8MB in the end (delta: 25.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-12-06 02:18:35,617 INFO L158 Benchmark]: Witness Printer took 75.02ms. Allocated memory is still 117.4MB. Free memory was 35.8MB in the beginning and 89.3MB in the end (delta: -53.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-12-06 02:18:35,619 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, 24 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 26 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 VAL [b={2:0}, i=0] [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i + 1) [L21] int a[n], i; [L22] i = 0 VAL [a={3:0}, b={2:0}, i=0, size=1] [L22] COND TRUE i < size VAL [a={3:0}, b={2:0}, i=0, size=1] [L23] EXPR b[i] VAL [a={3:0}, b={2:0}, i=0, size=1] [L23] a[i] = b[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.36ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.10ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.12ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 898.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 335.70ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 61.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1249.61ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 35.8MB in the end (delta: 25.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 75.02ms. Allocated memory is still 117.4MB. Free memory was 35.8MB in the beginning and 89.3MB in the end (delta: -53.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:18:35,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e63aee8-41b2-47f3-8eed-4d0b349cacab/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)