./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fba957c5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:17:56,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:17:56,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 10:17:56,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:17:56,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:17:56,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:17:56,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:17:56,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:17:56,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:17:56,307 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:17:56,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:17:56,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:17:56,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:17:56,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:17:56,309 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:17:56,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:17:56,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:17:56,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 10:17:56,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:17:56,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:17:56,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:17:56,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:17:56,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:17:56,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:17:56,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:17:56,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:17:56,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:17:56,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:17:56,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:17:56,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:17:56,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:17:56,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:17:56,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 10:17:56,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 10:17:56,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:17:56,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:17:56,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:17:56,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:17:56,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:17:56,321 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 10:17:56,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:17:56,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:17:56,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:17:56,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:17:56,625 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:17:56,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-23 10:17:57,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:17:58,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:17:58,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-23 10:17:58,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8348fddd0/eae1c9dc498742e6b288a6238f7e92f8/FLAG5f63fcade [2023-11-23 10:17:58,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8348fddd0/eae1c9dc498742e6b288a6238f7e92f8 [2023-11-23 10:17:58,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:17:58,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:17:58,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:17:58,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:17:58,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:17:58,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:17:58" (1/1) ... [2023-11-23 10:17:58,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771a00b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:58, skipping insertion in model container [2023-11-23 10:17:58,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:17:58" (1/1) ... [2023-11-23 10:17:58,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:17:59,140 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-23 10:17:59,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:17:59,232 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:17:59,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] [2023-11-23 10:17:59,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] [2023-11-23 10:17:59,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] [2023-11-23 10:17:59,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] [2023-11-23 10:17:59,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] [2023-11-23 10:17:59,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] [2023-11-23 10:17:59,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] [2023-11-23 10:17:59,401 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-23 10:17:59,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:17:59,436 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:17:59,437 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:17:59,442 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:17:59,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59 WrapperNode [2023-11-23 10:17:59,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:17:59,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:17:59,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:17:59,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:17:59,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,520 INFO L138 Inliner]: procedures = 143, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 508 [2023-11-23 10:17:59,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:17:59,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:17:59,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:17:59,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:17:59,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:17:59,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:17:59,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:17:59,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:17:59,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (1/1) ... [2023-11-23 10:17:59,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:17:59,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:17:59,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:17:59,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:17:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-23 10:17:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-23 10:17:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 10:17:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-23 10:17:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-23 10:17:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 10:17:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 10:17:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 10:17:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 10:17:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 10:17:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 10:17:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 10:17:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 10:17:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:17:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-23 10:17:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-23 10:17:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 10:17:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 10:17:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 10:17:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 10:17:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 10:17:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 10:17:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 10:17:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 10:17:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 10:17:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 10:17:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 10:17:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:17:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:17:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 10:17:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 10:17:59,897 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:17:59,899 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:18:00,307 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:18:00,380 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:18:00,380 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 10:18:00,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:00 BoogieIcfgContainer [2023-11-23 10:18:00,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:18:00,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:18:00,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:18:00,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:18:00,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:17:58" (1/3) ... [2023-11-23 10:18:00,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5070350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:00, skipping insertion in model container [2023-11-23 10:18:00,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:59" (2/3) ... [2023-11-23 10:18:00,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5070350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:00, skipping insertion in model container [2023-11-23 10:18:00,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:00" (3/3) ... [2023-11-23 10:18:00,388 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-23 10:18:00,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:18:00,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:18:00,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:18:00,446 INFO L357 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, mHoare=true, 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;@5e41b0b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:18:00,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:18:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 68 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 10:18:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 10:18:00,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:00,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:00,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:00,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash -210082355, now seen corresponding path program 1 times [2023-11-23 10:18:00,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:00,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890511275] [2023-11-23 10:18:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:00,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 10:18:00,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:00,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890511275] [2023-11-23 10:18:00,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890511275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:00,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:00,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 10:18:00,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461289100] [2023-11-23 10:18:00,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:00,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:18:00,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:00,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:18:00,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:00,896 INFO L87 Difference]: Start difference. First operand has 96 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 68 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 10:18:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:01,032 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2023-11-23 10:18:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:18:01,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-23 10:18:01,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:01,045 INFO L225 Difference]: With dead ends: 261 [2023-11-23 10:18:01,045 INFO L226 Difference]: Without dead ends: 165 [2023-11-23 10:18:01,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:01,053 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 110 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:01,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 186 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 10:18:01,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-23 10:18:01,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2023-11-23 10:18:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 114 states have (on average 1.3157894736842106) internal successors, (150), 115 states have internal predecessors, (150), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 10:18:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 214 transitions. [2023-11-23 10:18:01,126 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 214 transitions. Word has length 12 [2023-11-23 10:18:01,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:01,127 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 214 transitions. [2023-11-23 10:18:01,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 10:18:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2023-11-23 10:18:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 10:18:01,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:01,132 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:01,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 10:18:01,133 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:01,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:01,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1435393964, now seen corresponding path program 1 times [2023-11-23 10:18:01,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:01,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799329891] [2023-11-23 10:18:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:01,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:18:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:18:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-23 10:18:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:18:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 10:18:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:18:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 10:18:01,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:01,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799329891] [2023-11-23 10:18:01,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799329891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:01,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:01,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:18:01,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796573503] [2023-11-23 10:18:01,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:01,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:18:01,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:01,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:18:01,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:18:01,491 INFO L87 Difference]: Start difference. First operand 165 states and 214 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 10:18:01,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:01,685 INFO L93 Difference]: Finished difference Result 330 states and 428 transitions. [2023-11-23 10:18:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:18:01,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2023-11-23 10:18:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:01,688 INFO L225 Difference]: With dead ends: 330 [2023-11-23 10:18:01,688 INFO L226 Difference]: Without dead ends: 169 [2023-11-23 10:18:01,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 10:18:01,690 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 27 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:01,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 246 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 10:18:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-23 10:18:01,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2023-11-23 10:18:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 115 states have internal predecessors, (149), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 10:18:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 213 transitions. [2023-11-23 10:18:01,711 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 213 transitions. Word has length 63 [2023-11-23 10:18:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:01,711 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 213 transitions. [2023-11-23 10:18:01,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 10:18:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 213 transitions. [2023-11-23 10:18:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 10:18:01,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:01,713 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:01,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 10:18:01,714 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:01,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1943276732, now seen corresponding path program 1 times [2023-11-23 10:18:01,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:01,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140522676] [2023-11-23 10:18:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:01,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:18:01,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 10:18:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:18:01,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 10:18:01,863 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 10:18:01,864 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 10:18:01,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 10:18:01,868 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 10:18:01,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 10:18:01,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-23 10:18:01,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-23 10:18:01,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret406 [2023-11-23 10:18:01,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-23 10:18:01,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated [2023-11-23 10:18:01,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret409 [2023-11-23 10:18:01,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-23 10:18:01,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated [2023-11-23 10:18:01,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-23 10:18:01,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-23 10:18:01,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:01,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:01,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:18:01 BoogieIcfgContainer [2023-11-23 10:18:01,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 10:18:01,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 10:18:01,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 10:18:01,957 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 10:18:01,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:00" (3/4) ... [2023-11-23 10:18:01,960 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 10:18:01,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 10:18:01,962 INFO L158 Benchmark]: Toolchain (without parser) took 3831.33ms. Allocated memory was 182.5MB in the beginning and 272.6MB in the end (delta: 90.2MB). Free memory was 109.1MB in the beginning and 177.5MB in the end (delta: -68.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-23 10:18:01,962 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 10:18:01,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.85ms. Allocated memory is still 182.5MB. Free memory was 108.6MB in the beginning and 91.4MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-23 10:18:01,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.63ms. Allocated memory is still 182.5MB. Free memory was 91.4MB in the beginning and 86.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 10:18:01,963 INFO L158 Benchmark]: Boogie Preprocessor took 65.20ms. Allocated memory is still 182.5MB. Free memory was 86.0MB in the beginning and 81.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 10:18:01,964 INFO L158 Benchmark]: RCFGBuilder took 793.11ms. Allocated memory is still 182.5MB. Free memory was 81.8MB in the beginning and 105.4MB in the end (delta: -23.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-23 10:18:01,965 INFO L158 Benchmark]: TraceAbstraction took 1574.17ms. Allocated memory was 182.5MB in the beginning and 272.6MB in the end (delta: 90.2MB). Free memory was 105.4MB in the beginning and 177.5MB in the end (delta: -72.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-23 10:18:01,965 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 272.6MB. Free memory is still 177.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 10:18:01,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.85ms. Allocated memory is still 182.5MB. Free memory was 108.6MB in the beginning and 91.4MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.63ms. Allocated memory is still 182.5MB. Free memory was 91.4MB in the beginning and 86.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.20ms. Allocated memory is still 182.5MB. Free memory was 86.0MB in the beginning and 81.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 793.11ms. Allocated memory is still 182.5MB. Free memory was 81.8MB in the beginning and 105.4MB in the end (delta: -23.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1574.17ms. Allocated memory was 182.5MB in the beginning and 272.6MB in the end (delta: 90.2MB). Free memory was 105.4MB in the beginning and 177.5MB in the end (delta: -72.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 272.6MB. Free memory is still 177.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3096]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] - GenericResultAtLocation [Line: 3530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] - GenericResultAtLocation [Line: 3538]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] - GenericResultAtLocation [Line: 3546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] - GenericResultAtLocation [Line: 3761]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] - GenericResultAtLocation [Line: 3836]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret406 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret409 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4295]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 4179. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=112, \result={0:0}, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, size=112, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=20, \old(arg3)=208, __this_module={4294967296:4294967302}, arg0={4294967301:4294967299}, arg0={4294967301:4294967299}, arg1={17:0}, arg1={17:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, vblk={4294967303:-3}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=322, \result={0:0}, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, size=322, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=208, __this_module={4294967296:4294967302}, arg0={4294967301:4294967299}, arg0={4294967301:4294967299}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3897] RET, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, vblk={4294967303:-3}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \result=1, __this_module={4294967296:4294967302}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=1, vblk={4294967303:-3}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=0, \old(mode)=4, __this_module={4294967296:4294967302}, bdev={4294967297:-2}, bdev={4294967297:-2}, cmd=1447184708, data=0, disk={4294967304:0}, err=1, features={14:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=4, usr_data={0:0}, vblk={4294967303:-3}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3935] return (err); [L3935] return (err); VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=0, \old(mode)=4, \result=1, __this_module={4294967296:4294967302}, bdev={4294967297:-2}, bdev={4294967297:-2}, cmd=1447184708, data=0, disk={4294967304:0}, err=1, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=4, usr_data={0:0}, vblk={4294967303:-3}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={4294967297:-2}, var_virtblk_ioctl_5_p1=4, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={4294967297:-2}, var_virtblk_ioctl_5_p1=4, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={4294967296:4294967302}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 432 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 251 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 244 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 181 mSDtfsCounter, 244 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 10:18:02,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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/current/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 ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:18:04,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:18:04,094 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-23 10:18:04,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:18:04,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:18:04,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:18:04,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:18:04,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:18:04,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:18:04,142 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:18:04,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:18:04,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:18:04,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:18:04,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:18:04,146 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:18:04,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:18:04,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:18:04,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:18:04,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:18:04,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:18:04,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:18:04,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 10:18:04,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 10:18:04,148 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 10:18:04,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:18:04,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:18:04,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:18:04,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:18:04,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:18:04,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:18:04,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:18:04,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:18:04,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:18:04,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:18:04,151 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 10:18:04,152 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 10:18:04,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:18:04,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:18:04,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:18:04,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:18:04,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:18:04,153 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 10:18:04,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 10:18:04,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:18:04,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:18:04,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:18:04,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:18:04,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:18:04,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-23 10:18:05,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:18:06,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:18:06,007 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-23 10:18:06,035 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed020490c/987018bc1c734f08bf615bce1fbe7dd9/FLAGaf2fb85bf [2023-11-23 10:18:06,049 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed020490c/987018bc1c734f08bf615bce1fbe7dd9 [2023-11-23 10:18:06,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:18:06,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:18:06,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:18:06,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:18:06,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:18:06,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:18:06" (1/1) ... [2023-11-23 10:18:06,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c53b6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:06, skipping insertion in model container [2023-11-23 10:18:06,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:18:06" (1/1) ... [2023-11-23 10:18:06,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:18:06,857 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-23 10:18:06,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:06,936 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 10:18:06,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:18:07,092 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-23 10:18:07,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:07,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:18:07,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] [2023-11-23 10:18:07,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] [2023-11-23 10:18:07,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] [2023-11-23 10:18:07,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] [2023-11-23 10:18:07,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] [2023-11-23 10:18:07,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] [2023-11-23 10:18:07,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] [2023-11-23 10:18:07,301 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-23 10:18:07,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:07,342 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:07,342 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:07,348 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:18:07,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07 WrapperNode [2023-11-23 10:18:07,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:18:07,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:07,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:18:07,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:18:07,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,456 INFO L138 Inliner]: procedures = 150, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 482 [2023-11-23 10:18:07,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:07,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:18:07,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:18:07,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:18:07,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:18:07,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:18:07,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:18:07,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:18:07,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (1/1) ... [2023-11-23 10:18:07,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:18:07,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:18:07,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:18:07,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:18:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 10:18:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 10:18:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-23 10:18:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-23 10:18:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 10:18:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-23 10:18:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-23 10:18:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 10:18:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 10:18:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 10:18:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 10:18:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 10:18:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 10:18:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 10:18:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:18:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-23 10:18:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-23 10:18:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 10:18:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 10:18:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 10:18:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 10:18:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 10:18:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 10:18:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 10:18:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 10:18:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:18:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:18:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 10:18:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 10:18:07,925 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:18:07,927 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:18:08,571 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:18:08,638 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:18:08,638 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 10:18:08,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:08 BoogieIcfgContainer [2023-11-23 10:18:08,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:18:08,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:18:08,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:18:08,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:18:08,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:18:06" (1/3) ... [2023-11-23 10:18:08,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5e9bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:08, skipping insertion in model container [2023-11-23 10:18:08,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:07" (2/3) ... [2023-11-23 10:18:08,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5e9bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:08, skipping insertion in model container [2023-11-23 10:18:08,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:08" (3/3) ... [2023-11-23 10:18:08,647 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-23 10:18:08,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:18:08,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:18:08,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:18:08,702 INFO L357 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, mHoare=true, 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;@3d1af8f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:18:08,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:18:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 68 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 10:18:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 10:18:08,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:08,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:08,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:08,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:08,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1029183535, now seen corresponding path program 1 times [2023-11-23 10:18:08,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 10:18:08,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435016614] [2023-11-23 10:18:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:08,727 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 [2023-11-23 10:18:08,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 10:18:08,729 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) [2023-11-23 10:18:08,745 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 [2023-11-23 10:18:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:08,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 10:18:08,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:18:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 10:18:08,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:18:08,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 10:18:08,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435016614] [2023-11-23 10:18:08,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435016614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:08,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:08,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 10:18:08,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933975116] [2023-11-23 10:18:08,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:08,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:18:08,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 10:18:08,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:18:08,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:09,001 INFO L87 Difference]: Start difference. First operand has 96 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 68 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 10:18:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:09,363 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2023-11-23 10:18:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:18:09,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-23 10:18:09,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:09,373 INFO L225 Difference]: With dead ends: 261 [2023-11-23 10:18:09,373 INFO L226 Difference]: Without dead ends: 165 [2023-11-23 10:18:09,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:09,378 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 108 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:09,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 186 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 10:18:09,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-23 10:18:09,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2023-11-23 10:18:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 114 states have (on average 1.3157894736842106) internal successors, (150), 115 states have internal predecessors, (150), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 10:18:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 214 transitions. [2023-11-23 10:18:09,489 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 214 transitions. Word has length 12 [2023-11-23 10:18:09,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:09,490 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 214 transitions. [2023-11-23 10:18:09,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 10:18:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2023-11-23 10:18:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 10:18:09,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:09,493 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:09,513 INFO L552 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)] Ended with exit code 0 [2023-11-23 10:18:09,698 WARN L477 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 [2023-11-23 10:18:09,699 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:09,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:09,699 INFO L85 PathProgramCache]: Analyzing trace with hash -564242110, now seen corresponding path program 1 times [2023-11-23 10:18:09,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 10:18:09,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136001812] [2023-11-23 10:18:09,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:09,700 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 [2023-11-23 10:18:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 10:18:09,733 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2023-11-23 10:18:09,736 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 (3)] Waiting until timeout for monitored process [2023-11-23 10:18:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:18:10,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 10:18:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:18:10,666 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-23 10:18:10,666 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 10:18:10,667 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 10:18:10,681 INFO L552 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 (3)] Ended with exit code 0 [2023-11-23 10:18:10,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2023-11-23 10:18:10,883 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 10:18:10,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 10:18:10,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-23 10:18:10,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-23 10:18:10,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret401 [2023-11-23 10:18:10,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-23 10:18:10,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret252 could not be translated [2023-11-23 10:18:10,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret404 [2023-11-23 10:18:10,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-23 10:18:10,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret257 could not be translated [2023-11-23 10:18:10,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-23 10:18:10,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-23 10:18:10,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-23 10:18:10,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-23 10:18:10,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:18:10 BoogieIcfgContainer [2023-11-23 10:18:10,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 10:18:11,000 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 10:18:11,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 10:18:11,000 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 10:18:11,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:08" (3/4) ... [2023-11-23 10:18:11,002 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 10:18:11,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 10:18:11,003 INFO L158 Benchmark]: Toolchain (without parser) took 4950.94ms. Allocated memory was 73.4MB in the beginning and 174.1MB in the end (delta: 100.7MB). Free memory was 48.5MB in the beginning and 124.1MB in the end (delta: -75.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-23 10:18:11,004 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 10:18:11,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1294.87ms. Allocated memory was 73.4MB in the beginning and 127.9MB in the end (delta: 54.5MB). Free memory was 48.3MB in the beginning and 64.5MB in the end (delta: -16.2MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-23 10:18:11,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.54ms. Allocated memory is still 127.9MB. Free memory was 64.5MB in the beginning and 58.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 10:18:11,005 INFO L158 Benchmark]: Boogie Preprocessor took 88.20ms. Allocated memory is still 127.9MB. Free memory was 58.8MB in the beginning and 54.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 10:18:11,005 INFO L158 Benchmark]: RCFGBuilder took 1092.65ms. Allocated memory is still 127.9MB. Free memory was 54.0MB in the beginning and 73.0MB in the end (delta: -19.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-23 10:18:11,005 INFO L158 Benchmark]: TraceAbstraction took 2359.12ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 72.3MB in the beginning and 125.2MB in the end (delta: -52.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-23 10:18:11,006 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 174.1MB. Free memory was 125.2MB in the beginning and 124.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 10:18:11,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1294.87ms. Allocated memory was 73.4MB in the beginning and 127.9MB in the end (delta: 54.5MB). Free memory was 48.3MB in the beginning and 64.5MB in the end (delta: -16.2MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.54ms. Allocated memory is still 127.9MB. Free memory was 64.5MB in the beginning and 58.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.20ms. Allocated memory is still 127.9MB. Free memory was 58.8MB in the beginning and 54.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1092.65ms. Allocated memory is still 127.9MB. Free memory was 54.0MB in the beginning and 73.0MB in the end (delta: -19.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2359.12ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 72.3MB in the beginning and 125.2MB in the end (delta: -52.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 174.1MB. Free memory was 125.2MB in the beginning and 124.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3096]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] - GenericResultAtLocation [Line: 3530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] - GenericResultAtLocation [Line: 3538]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] - GenericResultAtLocation [Line: 3546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] - GenericResultAtLocation [Line: 3761]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] - GenericResultAtLocation [Line: 3836]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret401 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret252 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret404 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret257 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4295]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 4179. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___0=0, tmp___1=2, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___0=0, tmp___1=2, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=112, \result={0:0}, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, size=112, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=20, \old(arg3)=208, __this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={-9223372036854775793:0}, arg1={-9223372036854775793:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={14:0}, id_str={-9223372036854775793:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=322, \result={0:0}, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, size=322, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=208, __this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3897] RET, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={14:0}, id_str={-9223372036854775793:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \result=-2147483648, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={14:0}, id_str={-9223372036854775793:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=-2147483648, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=37, \old(mode)=11, __this_module={0:0}, bdev={0:0}, bdev={0:0}, cmd=1447184708, data=37, disk={0:0}, err=-2147483648, features={14:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=11, usr_data={0:37}, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3935] return (err); [L3935] return (err); VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=37, \old(mode)=11, \result=-2147483648, __this_module={0:0}, bdev={0:0}, bdev={0:0}, cmd=1447184708, data=37, disk={0:0}, err=-2147483648, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=11, usr_data={0:37}, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:0}, var_virtblk_ioctl_5_p1=11, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=37, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:0}, var_virtblk_ioctl_5_p1=11, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=37, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 104 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 10:18:11,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample