./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops-crafted-1/net_reset.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_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/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_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops-crafted-1/net_reset.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/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_c3a6678f-08e5-4013-abdd-788bf9ad68ef/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 00b2d57b1b13c21a3530a9e13d4250bbaeb7ca7663e06f1caace8c73fa8196b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:29:20,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:29:20,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 03:29:20,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:29:20,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:29:20,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:29:20,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:29:20,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:29:20,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:29:20,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:29:20,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:29:20,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:29:20,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:29:20,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:29:20,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:29:20,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:29:20,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:29:20,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:29:20,282 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:29:20,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:29:20,282 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_c3a6678f-08e5-4013-abdd-788bf9ad68ef/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 -> 00b2d57b1b13c21a3530a9e13d4250bbaeb7ca7663e06f1caace8c73fa8196b2 [2024-12-06 03:29:20,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:29:20,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:29:20,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:29:20,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:29:20,529 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:29:20,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops-crafted-1/net_reset.c [2024-12-06 03:29:23,206 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/data/76943616e/130c6046bd7d4753b7125711ba9436f1/FLAG0a4ca2386 [2024-12-06 03:29:23,425 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:29:23,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/sv-benchmarks/c/loops-crafted-1/net_reset.c [2024-12-06 03:29:23,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/data/76943616e/130c6046bd7d4753b7125711ba9436f1/FLAG0a4ca2386 [2024-12-06 03:29:23,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/data/76943616e/130c6046bd7d4753b7125711ba9436f1 [2024-12-06 03:29:23,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:29:23,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:29:23,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:23,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:29:23,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:29:23,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:23" (1/1) ... [2024-12-06 03:29:23,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75883c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:23, skipping insertion in model container [2024-12-06 03:29:23,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:23" (1/1) ... [2024-12-06 03:29:23,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:29:23,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:25,019 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:29:25,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:26,115 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:29:26,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26 WrapperNode [2024-12-06 03:29:26,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:26,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:26,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:29:26,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:29:26,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:26,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:28,345 INFO L138 Inliner]: procedures = 18, calls = 92196, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92254 [2024-12-06 03:29:28,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:28,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:29:28,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:29:28,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:29:28,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:28,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:28,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:28,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:29,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:29,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:29,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:30,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:30,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:30,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:29:30,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:29:30,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:29:30,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:29:30,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:26" (1/1) ... [2024-12-06 03:29:30,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:29:30,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:29:30,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:29:30,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a6678f-08e5-4013-abdd-788bf9ad68ef/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:29:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:29:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:29:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:29:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:29:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:29:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:29:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:29:30,730 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:29:30,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation