./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/heavy-2.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_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/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_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/heavy-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/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_35f376c7-ede3-4450-89de-f52afb6fbd7c/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 26cfb5016cc2fdf76245f73dcfd6db92bad09f670b983fa3e94b365d8471a941 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:41:48,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:41:48,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:41:48,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:41:48,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:41:48,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:41:48,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:41:48,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:41:48,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:41:48,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:41:48,620 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:41:48,620 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:41:48,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:41:48,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:41:48,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:41:48,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:41:48,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:41:48,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:41:48,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:41:48,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:41:48,621 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:41:48,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:41:48,621 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_35f376c7-ede3-4450-89de-f52afb6fbd7c/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 -> 26cfb5016cc2fdf76245f73dcfd6db92bad09f670b983fa3e94b365d8471a941 [2024-12-06 04:41:48,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:41:48,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:41:48,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:41:48,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:41:48,879 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:41:48,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/heavy-2.c [2024-12-06 04:41:51,594 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/data/43f3dadf9/4c7bf56699dd4c479fd142fb36cda2a7/FLAG3329d5fea [2024-12-06 04:41:51,781 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:41:51,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/sv-benchmarks/c/loops/heavy-2.c [2024-12-06 04:41:51,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/data/43f3dadf9/4c7bf56699dd4c479fd142fb36cda2a7/FLAG3329d5fea [2024-12-06 04:41:52,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/data/43f3dadf9/4c7bf56699dd4c479fd142fb36cda2a7 [2024-12-06 04:41:52,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:41:52,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:41:52,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:41:52,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:41:52,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:41:52,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:52" (1/1) ... [2024-12-06 04:41:52,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265d920c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:52, skipping insertion in model container [2024-12-06 04:41:52,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:52" (1/1) ... [2024-12-06 04:41:52,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:41:52,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:41:55,240 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:41:55,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:42:01,045 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:42:01,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01 WrapperNode [2024-12-06 04:42:01,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:42:01,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:42:01,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:42:01,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:42:01,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:07,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:26,986 INFO L138 Inliner]: procedures = 11, calls = 1048589, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1048629 [2024-12-06 04:42:26,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:42:26,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:42:26,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:42:26,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:42:26,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:26,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:32,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:32,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:42,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:42,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:43,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:43,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:44,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:47,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:42:47,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:42:47,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:42:47,435 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:42:47,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:01" (1/1) ... [2024-12-06 04:42:47,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:42:47,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:42:47,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:42:47,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f376c7-ede3-4450-89de-f52afb6fbd7c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:42:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:42:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:42:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:42:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:42:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:42:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:42:47,586 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:42:47,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation