./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops-crafted-1/net_reset.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00b2d57b1b13c21a3530a9e13d4250bbaeb7ca7663e06f1caace8c73fa8196b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:37:23,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:37:23,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-24 01:37:23,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:37:23,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:37:23,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:37:23,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:37:23,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:37:23,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:37:23,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:37:23,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:37:23,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:37:23,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:37:23,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:37:23,384 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:37:23,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:37:23,385 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:37:23,386 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:37:23,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:37:23,387 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:37:23,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:37:23,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:37:23,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:37:23,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:23,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:37:23,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:37:23,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:37:23,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:37:23,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:23,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:37:23,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:37:23,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:37:23,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:37:23,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:37:23,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:37:23,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:37:23,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:37:23,390 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 [2024-11-24 01:37:23,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:37:23,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:37:23,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:37:23,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:37:23,781 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:37:23,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loops-crafted-1/net_reset.c [2024-11-24 01:37:26,871 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/data/a0a5903ae/67be166ea0cf4f7e9552b90528bb72f9/FLAG45eb98e90 [2024-11-24 01:37:27,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:37:27,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/sv-benchmarks/c/loops-crafted-1/net_reset.c [2024-11-24 01:37:27,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/data/a0a5903ae/67be166ea0cf4f7e9552b90528bb72f9/FLAG45eb98e90 [2024-11-24 01:37:27,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/data/a0a5903ae/67be166ea0cf4f7e9552b90528bb72f9 [2024-11-24 01:37:27,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:37:27,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:37:27,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:37:27,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:37:27,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:37:27,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:37:27" (1/1) ... [2024-11-24 01:37:27,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb859e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:27, skipping insertion in model container [2024-11-24 01:37:27,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:37:27" (1/1) ... [2024-11-24 01:37:27,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:37:27,700 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:37:27,700 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:37:27,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:37:29,643 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:37:29,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:37:31,031 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:37:31,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31 WrapperNode [2024-11-24 01:37:31,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:37:31,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:37:31,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:37:31,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:37:31,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:31,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:34,796 INFO L138 Inliner]: procedures = 18, calls = 92196, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92254 [2024-11-24 01:37:34,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:37:34,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:37:34,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:37:34,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:37:34,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:34,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:35,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:36,153 INFO L175 MemorySlicer]: Split 92179 memory accesses to 4 slices as follows [2, 1, 92160, 16]. 100 percent of accesses are in the largest equivalence class. The 92178 initializations are split as follows [2, 0, 92160, 16]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-24 01:37:36,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:36,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:37,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:37,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:37,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:37,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:37,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:38,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:37:38,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:37:38,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:37:38,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:37:38,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:31" (1/1) ... [2024-11-24 01:37:38,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:37:38,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:37:38,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2c5356-7678-4ebf-a098-434e82990f61/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:37:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:37:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:37:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:37:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:37:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:37:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:37:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:37:38,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:37:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:37:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:37:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:37:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:37:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:37:38,797 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:37:38,799 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation