./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:45:40,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:45:40,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 19:45:40,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:45:40,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:45:40,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:45:40,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:45:40,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:45:40,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:45:40,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:45:40,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:45:40,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:45:40,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:45:40,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:45:40,611 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:45:40,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:45:40,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:45:40,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:45:40,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:45:40,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:45:40,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:45:40,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:45:40,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:45:40,617 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:45:40,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:45:40,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:45:40,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:45:40,617 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:45:40,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:45:40,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:45:40,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:45:40,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:45:40,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:45:40,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:45:40,620 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2024-11-10 19:45:40,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:45:40,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:45:40,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:45:40,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:45:40,834 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:45:40,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-11-10 19:45:42,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:45:42,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:45:42,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-11-10 19:45:42,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1920241/e369e7b0c80d4f459bdeac38a85a1b41/FLAG1783b40f6 [2024-11-10 19:45:42,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1920241/e369e7b0c80d4f459bdeac38a85a1b41 [2024-11-10 19:45:42,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:45:42,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:45:42,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:45:42,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:45:42,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:45:42,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:42" (1/1) ... [2024-11-10 19:45:42,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e113127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:42, skipping insertion in model container [2024-11-10 19:45:42,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:42" (1/1) ... [2024-11-10 19:45:42,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:45:43,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:45:43,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:45:43,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] [2024-11-10 19:45:43,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:45:43,956 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:45:43,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43 WrapperNode [2024-11-10 19:45:43,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:45:43,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:45:43,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:45:43,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:45:43,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,060 INFO L138 Inliner]: procedures = 188, calls = 660, calls flagged for inlining = 75, calls inlined = 50, statements flattened = 1392 [2024-11-10 19:45:44,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:45:44,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:45:44,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:45:44,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:45:44,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,175 INFO L175 MemorySlicer]: Split 204 memory accesses to 8 slices as follows [21, 2, 32, 9, 115, 8, 12, 5]. 56 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [0, 2, 4, 9, 54, 0, 12, 0]. The 38 writes are split as follows [1, 0, 28, 0, 9, 0, 0, 0]. [2024-11-10 19:45:44,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,215 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:45:44,238 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:45:44,239 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:45:44,239 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:45:44,239 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (1/1) ... [2024-11-10 19:45:44,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:45:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:45:44,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:45:44,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:45:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-10 19:45:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-10 19:45:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2024-11-10 19:45:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2024-11-10 19:45:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2024-11-10 19:45:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2024-11-10 19:45:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 19:45:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 19:45:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2024-11-10 19:45:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2024-11-10 19:45:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2024-11-10 19:45:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2024-11-10 19:45:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-10 19:45:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-10 19:45:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-10 19:45:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-10 19:45:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2024-11-10 19:45:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2024-11-10 19:45:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 19:45:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 19:45:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 19:45:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 19:45:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 19:45:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 19:45:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 19:45:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 19:45:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-10 19:45:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-10 19:45:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-10 19:45:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-10 19:45:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2024-11-10 19:45:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2024-11-10 19:45:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2024-11-10 19:45:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2024-11-10 19:45:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 19:45:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2024-11-10 19:45:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2024-11-10 19:45:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-10 19:45:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-10 19:45:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:45:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2024-11-10 19:45:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2024-11-10 19:45:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 19:45:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2024-11-10 19:45:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2024-11-10 19:45:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-10 19:45:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 19:45:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-10 19:45:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-10 19:45:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 19:45:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2024-11-10 19:45:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2024-11-10 19:45:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2024-11-10 19:45:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-10 19:45:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-10 19:45:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:45:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:45:44,592 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:45:44,595 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:45:44,677 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8347: havoc vm_insert_page_#t~nondet476#1; [2024-11-10 19:45:44,677 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8213: havoc __phys_addr_#t~nondet455#1; [2024-11-10 19:45:44,688 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7298: havoc #t~mem324; [2024-11-10 19:45:44,694 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8259: havoc blk_rq_unmap_user_#t~nondet462#1; [2024-11-10 19:45:44,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6474: havoc #t~bitwise83; [2024-11-10 19:45:44,755 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6379: havoc ~res~0#1.base, ~res~0#1.offset; [2024-11-10 19:45:44,781 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8323: havoc #t~nondet472; [2024-11-10 19:45:45,040 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6451: havoc blk_rq_bytes_#t~mem79#1; [2024-11-10 19:45:45,040 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8255: havoc blk_rq_map_user_#t~nondet461#1; [2024-11-10 19:45:45,040 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8340: havoc scsi_init_io_#t~nondet475#1; [2024-11-10 19:45:45,083 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7613: call ULTIMATE.dealloc(~#__key~3#1.base, ~#__key~3#1.offset);havoc ~#__key~3#1.base, ~#__key~3#1.offset; [2024-11-10 19:45:45,083 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc get_zeroed_page_#t~nondet464#1; [2024-11-10 19:45:45,117 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8236: havoc #t~nondet459; [2024-11-10 19:45:45,127 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8333: havoc #t~ret474.base, #t~ret474.offset; [2024-11-10 19:45:45,148 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8232: havoc #t~nondet458; [2024-11-10 19:45:46,509 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8319: havoc noop_llseek_#t~nondet471#1; [2024-11-10 19:45:46,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7072: call ULTIMATE.dealloc(scsi_tgt_init_~#__key~2#1.base, scsi_tgt_init_~#__key~2#1.offset);havoc scsi_tgt_init_~#__key~2#1.base, scsi_tgt_init_~#__key~2#1.offset; [2024-11-10 19:45:46,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8278: havoc kmem_cache_create_#t~ret466#1.base, kmem_cache_create_#t~ret466#1.offset; [2024-11-10 19:45:46,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8197: havoc __alloc_workqueue_key_#t~ret454#1.base, __alloc_workqueue_key_#t~ret454#1.offset; [2024-11-10 19:45:46,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8288: havoc ldv_tgt_fops_release_1_#t~nondet467#1; [2024-11-10 19:45:46,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8305: havoc misc_register_#t~nondet469#1; [2024-11-10 19:45:46,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8301: havoc misc_deregister_#t~nondet468#1; [2024-11-10 19:45:46,514 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6769: havoc #t~mem156.base, #t~mem156.offset; [2024-11-10 19:45:46,649 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-10 19:45:46,649 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:45:46,676 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:45:46,676 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 19:45:46,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:46 BoogieIcfgContainer [2024-11-10 19:45:46,676 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:45:46,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:45:46,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:45:46,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:45:46,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:45:42" (1/3) ... [2024-11-10 19:45:46,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c000dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:46, skipping insertion in model container [2024-11-10 19:45:46,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:43" (2/3) ... [2024-11-10 19:45:46,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c000dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:46, skipping insertion in model container [2024-11-10 19:45:46,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:46" (3/3) ... [2024-11-10 19:45:46,684 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-11-10 19:45:46,697 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:45:46,697 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 19:45:46,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:45:46,773 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52d42a3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:45:46,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 19:45:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 327 states have (on average 1.2966360856269112) internal successors, (424), 344 states have internal predecessors, (424), 83 states have call successors, (83), 31 states have call predecessors, (83), 31 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-10 19:45:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:45:46,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:46,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:45:46,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 19:45:46,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:46,790 INFO L85 PathProgramCache]: Analyzing trace with hash 345068635, now seen corresponding path program 1 times [2024-11-10 19:45:46,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125876414] [2024-11-10 19:45:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:46,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:45:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:45:47,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:45:47,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125876414] [2024-11-10 19:45:47,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125876414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:45:47,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:45:47,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:45:47,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436547444] [2024-11-10 19:45:47,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:45:47,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:45:47,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:45:47,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:45:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:45:47,302 INFO L87 Difference]: Start difference. First operand has 452 states, 327 states have (on average 1.2966360856269112) internal successors, (424), 344 states have internal predecessors, (424), 83 states have call successors, (83), 31 states have call predecessors, (83), 31 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:45:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:45:47,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:45:47,446 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 143 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:47,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 817 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:45:47,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:45:47,448 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 19:45:47,451 INFO L158 Benchmark]: Toolchain (without parser) took 4845.78ms. Allocated memory was 186.6MB in the beginning and 358.6MB in the end (delta: 172.0MB). Free memory was 106.5MB in the beginning and 212.3MB in the end (delta: -105.8MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-11-10 19:45:47,453 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:45:47,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1350.81ms. Allocated memory is still 186.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 997.7kB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2024-11-10 19:45:47,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.38ms. Allocated memory is still 186.6MB. Free memory was 105.3MB in the beginning and 95.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 19:45:47,455 INFO L158 Benchmark]: Boogie Preprocessor took 176.21ms. Allocated memory is still 186.6MB. Free memory was 95.0MB in the beginning and 66.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 19:45:47,455 INFO L158 Benchmark]: IcfgBuilder took 2438.16ms. Allocated memory was 186.6MB in the beginning and 358.6MB in the end (delta: 172.0MB). Free memory was 66.6MB in the beginning and 213.0MB in the end (delta: -146.5MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-10 19:45:47,455 INFO L158 Benchmark]: TraceAbstraction took 772.74ms. Allocated memory is still 358.6MB. Free memory was 213.0MB in the beginning and 212.3MB in the end (delta: 781.0kB). Peak memory consumption was 783.6kB. Max. memory is 16.1GB. [2024-11-10 19:45:47,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1350.81ms. Allocated memory is still 186.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 997.7kB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.38ms. Allocated memory is still 186.6MB. Free memory was 105.3MB in the beginning and 95.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.21ms. Allocated memory is still 186.6MB. Free memory was 95.0MB in the beginning and 66.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * IcfgBuilder took 2438.16ms. Allocated memory was 186.6MB in the beginning and 358.6MB in the end (delta: 172.0MB). Free memory was 66.6MB in the beginning and 213.0MB in the end (delta: -146.5MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * TraceAbstraction took 772.74ms. Allocated memory is still 358.6MB. Free memory was 213.0MB in the beginning and 212.3MB in the end (delta: 781.0kB). Peak memory consumption was 783.6kB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7332]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 19:45:47,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:45:49,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:45:49,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 19:45:49,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:45:49,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:45:49,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 19:45:49,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:45:49,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:45:49,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:45:49,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:45:49,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:45:49,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:45:49,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:45:49,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:45:49,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:45:49,336 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:45:49,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:45:49,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:45:49,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:45:49,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:45:49,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:45:49,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:45:49,338 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 19:45:49,338 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 19:45:49,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:45:49,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:45:49,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 19:45:49,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:45:49,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:45:49,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:45:49,340 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:45:49,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:45:49,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:45:49,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:45:49,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:45:49,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:45:49,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:45:49,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:45:49,341 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 19:45:49,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 19:45:49,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:45:49,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:45:49,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:45:49,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:45:49,343 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2024-11-10 19:45:49,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:45:49,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:45:49,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:45:49,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:45:49,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:45:49,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-11-10 19:45:50,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:45:51,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:45:51,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-11-10 19:45:51,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d785c103e/6ab6174ddea64fbba02fc125f8f14fab/FLAGabbe52f88 [2024-11-10 19:45:51,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d785c103e/6ab6174ddea64fbba02fc125f8f14fab [2024-11-10 19:45:51,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:45:51,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:45:51,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:45:51,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:45:51,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:45:51,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:51" (1/1) ... [2024-11-10 19:45:51,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecf33f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:51, skipping insertion in model container [2024-11-10 19:45:51,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:51" (1/1) ... [2024-11-10 19:45:51,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:45:52,136 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,139 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,141 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,141 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,143 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,143 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,150 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,150 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,160 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,166 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,171 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,173 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,179 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,183 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,189 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,190 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,193 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,210 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,211 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,216 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,221 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,225 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,232 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,232 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,233 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,312 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,313 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,314 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,314 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,315 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,316 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,317 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,317 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,318 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,320 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,321 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,321 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,321 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,324 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,327 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,328 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,328 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,329 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,329 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,330 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,455 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 19:45:52,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:45:52,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:45:52,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] [2024-11-10 19:45:52,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:45:52,774 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:45:52,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52 WrapperNode [2024-11-10 19:45:52,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:45:52,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:45:52,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:45:52,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:45:52,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:52,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:52,895 INFO L138 Inliner]: procedures = 203, calls = 659, calls flagged for inlining = 75, calls inlined = 50, statements flattened = 1317 [2024-11-10 19:45:52,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:45:52,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:45:52,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:45:52,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:45:52,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:52,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:52,920 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,020 INFO L175 MemorySlicer]: Split 204 memory accesses to 9 slices as follows [2, 2, 32, 8, 9, 5, 21, 113, 12]. 55 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 0, 4, 0, 9, 0, 0, 54, 12]. The 38 writes are split as follows [0, 0, 28, 0, 0, 0, 1, 9, 0]. [2024-11-10 19:45:53,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:45:53,072 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:45:53,072 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:45:53,072 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:45:53,073 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (1/1) ... [2024-11-10 19:45:53,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:45:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:45:53,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:45:53,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-10 19:45:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-10 19:45:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-10 19:45:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 19:45:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 19:45:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 19:45:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 19:45:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-10 19:45:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2024-11-10 19:45:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2024-11-10 19:45:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2024-11-10 19:45:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2024-11-10 19:45:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-10 19:45:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-10 19:45:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-10 19:45:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-10 19:45:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-10 19:45:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-10 19:45:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-10 19:45:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-10 19:45:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 19:45:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 19:45:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 19:45:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 19:45:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 19:45:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 19:45:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 19:45:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 19:45:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 19:45:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-10 19:45:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-10 19:45:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-10 19:45:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-10 19:45:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-10 19:45:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-10 19:45:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-10 19:45:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-10 19:45:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-10 19:45:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-10 19:45:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-10 19:45:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-10 19:45:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-10 19:45:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 19:45:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-10 19:45:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-10 19:45:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-10 19:45:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-10 19:45:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-10 19:45:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-10 19:45:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-10 19:45:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-10 19:45:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-10 19:45:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-10 19:45:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-10 19:45:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-10 19:45:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-10 19:45:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2024-11-10 19:45:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2024-11-10 19:45:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-10 19:45:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-10 19:45:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2024-11-10 19:45:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2024-11-10 19:45:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 19:45:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2024-11-10 19:45:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2024-11-10 19:45:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 19:45:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-10 19:45:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2024-11-10 19:45:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2024-11-10 19:45:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2024-11-10 19:45:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2024-11-10 19:45:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-10 19:45:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-10 19:45:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2024-11-10 19:45:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2024-11-10 19:45:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2024-11-10 19:45:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2024-11-10 19:45:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2024-11-10 19:45:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2024-11-10 19:45:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2024-11-10 19:45:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2024-11-10 19:45:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:45:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:45:53,504 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:45:53,506 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:45:53,604 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8347: havoc vm_insert_page_#t~nondet472#1; [2024-11-10 19:45:53,604 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8213: havoc __phys_addr_#t~nondet451#1; [2024-11-10 19:45:53,617 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8259: havoc blk_rq_unmap_user_#t~nondet458#1; [2024-11-10 19:45:53,659 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6379: havoc ~res~0#1.base, ~res~0#1.offset; [2024-11-10 19:45:54,077 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8255: havoc blk_rq_map_user_#t~nondet457#1; [2024-11-10 19:45:54,078 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8340: havoc scsi_init_io_#t~nondet471#1; [2024-11-10 19:45:54,078 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6451: havoc blk_rq_bytes_#t~mem78#1; [2024-11-10 19:45:54,111 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6769: havoc #t~mem153.base, #t~mem153.offset; [2024-11-10 19:45:54,130 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7298: havoc #t~mem321; [2024-11-10 19:45:54,157 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8323: havoc #t~nondet468; [2024-11-10 19:45:54,216 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7613: call ULTIMATE.dealloc(~#__key~3#1.base, ~#__key~3#1.offset);havoc ~#__key~3#1.base, ~#__key~3#1.offset; [2024-11-10 19:45:54,217 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc get_zeroed_page_#t~nondet460#1; [2024-11-10 19:45:54,250 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8236: havoc #t~nondet455; [2024-11-10 19:45:54,255 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8333: havoc #t~ret470.base, #t~ret470.offset; [2024-11-10 19:45:54,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8232: havoc #t~nondet454; [2024-11-10 19:45:58,666 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8319: havoc noop_llseek_#t~nondet467#1; [2024-11-10 19:45:58,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7072: call ULTIMATE.dealloc(scsi_tgt_init_~#__key~2#1.base, scsi_tgt_init_~#__key~2#1.offset);havoc scsi_tgt_init_~#__key~2#1.base, scsi_tgt_init_~#__key~2#1.offset; [2024-11-10 19:45:58,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8278: havoc kmem_cache_create_#t~ret462#1.base, kmem_cache_create_#t~ret462#1.offset; [2024-11-10 19:45:58,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8197: havoc __alloc_workqueue_key_#t~ret450#1.base, __alloc_workqueue_key_#t~ret450#1.offset; [2024-11-10 19:45:58,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8288: havoc ldv_tgt_fops_release_1_#t~nondet463#1; [2024-11-10 19:45:58,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8305: havoc misc_register_#t~nondet465#1; [2024-11-10 19:45:58,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8301: havoc misc_deregister_#t~nondet464#1; [2024-11-10 19:45:58,810 INFO L? ?]: Removed 656 outVars from TransFormulas that were not future-live. [2024-11-10 19:45:58,811 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:45:58,831 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:45:58,832 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:45:58,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:58 BoogieIcfgContainer [2024-11-10 19:45:58,835 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:45:58,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:45:58,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:45:58,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:45:58,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:45:51" (1/3) ... [2024-11-10 19:45:58,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716cf0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:58, skipping insertion in model container [2024-11-10 19:45:58,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:52" (2/3) ... [2024-11-10 19:45:58,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716cf0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:58, skipping insertion in model container [2024-11-10 19:45:58,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:58" (3/3) ... [2024-11-10 19:45:58,841 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2024-11-10 19:45:58,853 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:45:58,853 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 19:45:58,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:45:58,920 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3aab1e3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:45:58,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 19:45:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 442 states, 318 states have (on average 1.2924528301886793) internal successors, (411), 335 states have internal predecessors, (411), 82 states have call successors, (82), 31 states have call predecessors, (82), 31 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-10 19:45:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:45:58,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:58,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:45:58,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 19:45:58,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:58,943 INFO L85 PathProgramCache]: Analyzing trace with hash -309711153, now seen corresponding path program 1 times [2024-11-10 19:45:58,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 19:45:58,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382138041] [2024-11-10 19:45:58,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 19:45:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 19:45:58,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 19:45:58,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 19:45:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:45:59,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 19:45:59,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:45:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:45:59,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:45:59,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 19:45:59,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382138041] [2024-11-10 19:45:59,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382138041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:45:59,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:45:59,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:45:59,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072103690] [2024-11-10 19:45:59,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:45:59,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:45:59,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 19:45:59,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:45:59,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:45:59,636 INFO L87 Difference]: Start difference. First operand has 442 states, 318 states have (on average 1.2924528301886793) internal successors, (411), 335 states have internal predecessors, (411), 82 states have call successors, (82), 31 states have call predecessors, (82), 31 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:45:59,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:45:59,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:45:59,936 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 141 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:45:59,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 791 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:45:59,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:46:00,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 19:46:00,139 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 19:46:00,142 INFO L158 Benchmark]: Toolchain (without parser) took 8678.64ms. Allocated memory was 98.6MB in the beginning and 184.5MB in the end (delta: 86.0MB). Free memory was 58.9MB in the beginning and 60.0MB in the end (delta: -1.1MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2024-11-10 19:46:00,143 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:46:00,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.06ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 65.8MB in the end (delta: -7.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-11-10 19:46:00,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.27ms. Allocated memory is still 130.0MB. Free memory was 65.8MB in the beginning and 56.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 19:46:00,144 INFO L158 Benchmark]: Boogie Preprocessor took 173.20ms. Allocated memory is still 130.0MB. Free memory was 56.8MB in the beginning and 60.2MB in the end (delta: -3.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 19:46:00,144 INFO L158 Benchmark]: IcfgBuilder took 5763.25ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 60.2MB in the beginning and 119.1MB in the end (delta: -58.9MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-11-10 19:46:00,145 INFO L158 Benchmark]: TraceAbstraction took 1305.13ms. Allocated memory is still 184.5MB. Free memory was 119.1MB in the beginning and 60.0MB in the end (delta: 59.2MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2024-11-10 19:46:00,148 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.06ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 65.8MB in the end (delta: -7.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.27ms. Allocated memory is still 130.0MB. Free memory was 65.8MB in the beginning and 56.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.20ms. Allocated memory is still 130.0MB. Free memory was 56.8MB in the beginning and 60.2MB in the end (delta: -3.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * IcfgBuilder took 5763.25ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 60.2MB in the beginning and 119.1MB in the end (delta: -58.9MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1305.13ms. Allocated memory is still 184.5MB. Free memory was 119.1MB in the beginning and 60.0MB in the end (delta: 59.2MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7332]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 19:46:00,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null