./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk --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 168748c0c54c019ef253d55ab380d3a197e2401ba990ef8210cb41b73a41cb13 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:12:33,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:12:33,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-08 23:12:33,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:12:33,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:12:33,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:12:33,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:12:33,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:12:33,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:12:33,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:12:33,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:12:33,331 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:12:33,331 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:12:33,331 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:12:33,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:12:33,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:12:33,335 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:12:33,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:12:33,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:12:33,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:12:33,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:12:33,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:12:33,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:12:33,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:12:33,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:12:33,342 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:12:33,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:12:33,343 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_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 168748c0c54c019ef253d55ab380d3a197e2401ba990ef8210cb41b73a41cb13 [2024-11-08 23:12:33,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:12:33,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:12:33,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:12:33,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:12:33,704 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:12:33,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i Unable to find full path for "g++" [2024-11-08 23:12:35,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:12:36,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:12:36,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i [2024-11-08 23:12:36,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/data/9a69b54b6/bc93b5fac97a426596a9adc26eafdd3f/FLAGbf97d56f2 [2024-11-08 23:12:36,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/data/9a69b54b6/bc93b5fac97a426596a9adc26eafdd3f [2024-11-08 23:12:36,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:12:36,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:12:36,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:12:36,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:12:36,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:12:36,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236c3e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36, skipping insertion in model container [2024-11-08 23:12:36,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:12:36,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:12:36,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:12:36,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:12:36,865 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:12:36,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36 WrapperNode [2024-11-08 23:12:36,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:12:36,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:12:36,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:12:36,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:12:36,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,926 INFO L138 Inliner]: procedures = 152, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-08 23:12:36,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:12:36,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:12:36,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:12:36,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:12:36,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:12:36,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:12:36,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:12:36,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:12:36,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:12:36" (1/1) ... [2024-11-08 23:12:36,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:12:36,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:12:37,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:12:37,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:12:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:12:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:12:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:12:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:12:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:12:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:12:37,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:12:37,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:12:37,310 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:12:37,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:12:37,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:12:37,364 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:12:37,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:37 BoogieIcfgContainer [2024-11-08 23:12:37,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:12:37,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:12:37,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:12:37,376 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:12:37,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:37" (1/1) ... [2024-11-08 23:12:37,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:12:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-08 23:12:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-08 23:12:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:12:37,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-08 23:12:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-08 23:12:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:12:37,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:37,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-08 23:12:38,220 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-08 23:12:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:12:38,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-08 23:12:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-08 23:12:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:12:38,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:38,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:39,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-08 23:12:39,703 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-08 23:12:39,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:12:39,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:39,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:12:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-08 23:12:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-08 23:12:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:12:39,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 23:12:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 23:12:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:12:40,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:40,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-08 23:12:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-08 23:12:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:12:42,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-08 23:12:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-08 23:12:44,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:12:44,085 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 23:12:44,094 INFO L729 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2024-11-08 23:12:44,143 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:12:44,144 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:12:44,144 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:12:44,144 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:12:44,144 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 371 380) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-08 23:12:44,144 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:12:44,145 INFO L77 FloydHoareUtils]: At program point L377(line 377) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1) (< (div |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) 1) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= |ULTIMATE.start_main_~nondetString1~0#1.offset| 0) (< (mod |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) (+ (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1))) [2024-11-08 23:12:44,145 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:12:44,145 INFO L77 FloydHoareUtils]: At program point L367-1(lines 367 368) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_cstrlen_~p~0#1.base|) 0)) (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= 0 |ULTIMATE.start_cstrlen_~p~0#1.offset|) (= (select |#valid| |ULTIMATE.start_cstrlen_~p~0#1.base|) 1) (or (= |ULTIMATE.start_cstrlen_#t~mem205#1| 0) (not (= |ULTIMATE.start_cstrlen_~p~0#1.offset| 0)))) [2024-11-08 23:12:44,145 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK(lines 371 380) no Hoare annotation was computed. [2024-11-08 23:12:44,146 INFO L77 FloydHoareUtils]: At program point L367-3(lines 367 368) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_cstrlen_~p~0#1.base|) 0)) (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= 0 |ULTIMATE.start_cstrlen_~p~0#1.offset|) (= (select |#valid| |ULTIMATE.start_cstrlen_~p~0#1.base|) 1)) [2024-11-08 23:12:44,146 INFO L77 FloydHoareUtils]: At program point L367-4(lines 367 368) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-11-08 23:12:44,154 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-08 23:12:44,156 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-08 23:12:44,158 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-08 23:12:44,158 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-08 23:12:44,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:12:44 ImpRootNode [2024-11-08 23:12:44,160 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:12:44,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:12:44,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:12:44,161 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:12:44,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:12:37" (3/4) ... [2024-11-08 23:12:44,166 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:12:44,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 23:12:44,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:12:44,179 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:12:44,179 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:12:44,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:12:44,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:12:44,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:12:44,275 INFO L158 Benchmark]: Toolchain (without parser) took 8118.56ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 131.9MB in the beginning and 150.6MB in the end (delta: -18.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-08 23:12:44,275 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory was 90.1MB in the beginning and 90.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:44,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.54ms. Allocated memory is still 165.7MB. Free memory was 131.9MB in the beginning and 122.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:12:44,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.94ms. Allocated memory is still 165.7MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:12:44,277 INFO L158 Benchmark]: Boogie Preprocessor took 43.14ms. Allocated memory is still 165.7MB. Free memory was 120.1MB in the beginning and 119.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:12:44,277 INFO L158 Benchmark]: RCFGBuilder took 393.05ms. Allocated memory is still 165.7MB. Free memory was 119.0MB in the beginning and 104.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:12:44,278 INFO L158 Benchmark]: CodeCheck took 6794.51ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 104.4MB in the beginning and 154.8MB in the end (delta: -50.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:12:44,278 INFO L158 Benchmark]: Witness Printer took 113.36ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 150.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:12:44,282 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, 12 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 336 IncrementalHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 8 mSDtfsCounter, 336 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1710 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 1/6 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 371]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory was 90.1MB in the beginning and 90.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.54ms. Allocated memory is still 165.7MB. Free memory was 131.9MB in the beginning and 122.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.94ms. Allocated memory is still 165.7MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.14ms. Allocated memory is still 165.7MB. Free memory was 120.1MB in the beginning and 119.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.05ms. Allocated memory is still 165.7MB. Free memory was 119.0MB in the beginning and 104.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 6794.51ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 104.4MB in the beginning and 154.8MB in the end (delta: -50.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.36ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 150.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid RESULT: Ultimate proved your program to be correct! [2024-11-08 23:12:44,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06acf80-7dbc-4c31-9b0e-a9773f8b7929/bin/ukojak-verify-ImItNfHLgk/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 Result: TRUE