./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 6ae2ee47 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-6ae2ee4-m [2023-11-22 20:53:27,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 20:53:27,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 20:53:27,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 20:53:27,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 20:53:27,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 20:53:27,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 20:53:27,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 20:53:27,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 20:53:27,485 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 20:53:27,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 20:53:27,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 20:53:27,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 20:53:27,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 20:53:27,488 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 20:53:27,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 20:53:27,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 20:53:27,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 20:53:27,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 20:53:27,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 20:53:27,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 20:53:27,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 20:53:27,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 20:53:27,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 20:53:27,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 20:53:27,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 20:53:27,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 20:53:27,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 20:53:27,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 20:53:27,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 20:53:27,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 20:53:27,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 20:53:27,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 20:53:27,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 20:53:27,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 20:53:27,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 20:53:27,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 20:53:27,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 20:53:27,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 20:53:27,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 20:53:27,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 20:53:27,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 20:53:27,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 20:53:27,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 20:53:27,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 20:53:27,749 INFO L431 ainManager$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 [2023-11-22 20:53:28,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 20:53:29,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 20:53:29,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-22 20:53:29,189 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d51c166/c5818c4d72cb46c58a36aa690c6bc912/FLAGd9805a771 [2023-11-22 20:53:29,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d51c166/c5818c4d72cb46c58a36aa690c6bc912 [2023-11-22 20:53:29,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 20:53:29,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 20:53:29,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 20:53:29,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 20:53:29,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 20:53:29,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:53:29" (1/1) ... [2023-11-22 20:53:29,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f0cb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:29, skipping insertion in model container [2023-11-22 20:53:29,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:53:29" (1/1) ... [2023-11-22 20:53:29,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 20:53:29,977 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] [2023-11-22 20:53:30,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 20:53:30,021 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 20:53:30,082 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] [2023-11-22 20:53:30,111 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] [2023-11-22 20:53:30,113 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] [2023-11-22 20:53:30,114 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] [2023-11-22 20:53:30,142 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] [2023-11-22 20:53:30,149 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] [2023-11-22 20:53:30,206 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] [2023-11-22 20:53:30,217 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] [2023-11-22 20:53:30,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 20:53:30,260 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 20:53:30,260 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 20:53:30,266 INFO L206 MainTranslator]: Completed translation [2023-11-22 20:53:30,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30 WrapperNode [2023-11-22 20:53:30,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 20:53:30,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 20:53:30,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 20:53:30,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 20:53:30,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,347 INFO L138 Inliner]: procedures = 143, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 508 [2023-11-22 20:53:30,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 20:53:30,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 20:53:30,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 20:53:30,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 20:53:30,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 20:53:30,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 20:53:30,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 20:53:30,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 20:53:30,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (1/1) ... [2023-11-22 20:53:30,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 20:53:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 20:53:30,434 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) [2023-11-22 20:53:30,457 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 [2023-11-22 20:53:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-22 20:53:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-22 20:53:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 20:53:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-22 20:53:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 20:53:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-22 20:53:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 20:53:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-22 20:53:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-22 20:53:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-22 20:53:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 20:53:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 20:53:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 20:53:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 20:53:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 20:53:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-22 20:53:30,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-22 20:53:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 20:53:30,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 20:53:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-22 20:53:30,502 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-22 20:53:30,680 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 20:53:30,682 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 20:53:31,010 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 20:53:31,083 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 20:53:31,084 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-22 20:53:31,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:53:31 BoogieIcfgContainer [2023-11-22 20:53:31,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 20:53:31,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 20:53:31,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 20:53:31,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 20:53:31,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:53:29" (1/3) ... [2023-11-22 20:53:31,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2e7c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:53:31, skipping insertion in model container [2023-11-22 20:53:31,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:30" (2/3) ... [2023-11-22 20:53:31,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2e7c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:53:31, skipping insertion in model container [2023-11-22 20:53:31,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:53:31" (3/3) ... [2023-11-22 20:53:31,092 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-22 20:53:31,148 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 20:53:31,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 20:53:31,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 20:53:31,186 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;@43a33d24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 20:53:31,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 20:53:31,189 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) [2023-11-22 20:53:31,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-22 20:53:31,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 20:53:31,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 20:53:31,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 20:53:31,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 20:53:31,198 INFO L85 PathProgramCache]: Analyzing trace with hash -210082355, now seen corresponding path program 1 times [2023-11-22 20:53:31,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 20:53:31,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016340652] [2023-11-22 20:53:31,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 20:53:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 20:53:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 20:53:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 20:53:31,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 20:53:31,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016340652] [2023-11-22 20:53:31,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016340652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 20:53:31,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 20:53:31,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-22 20:53:31,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234410143] [2023-11-22 20:53:31,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 20:53:31,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 20:53:31,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 20:53:31,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 20:53:31,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 20:53:31,562 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) [2023-11-22 20:53:31,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 20:53:31,666 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2023-11-22 20:53:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 20:53:31,668 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 [2023-11-22 20:53:31,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 20:53:31,675 INFO L225 Difference]: With dead ends: 261 [2023-11-22 20:53:31,675 INFO L226 Difference]: Without dead ends: 165 [2023-11-22 20:53:31,677 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 [2023-11-22 20:53:31,680 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 [2023-11-22 20:53:31,680 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] [2023-11-22 20:53:31,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-22 20:53:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2023-11-22 20:53:31,714 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) [2023-11-22 20:53:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 214 transitions. [2023-11-22 20:53:31,717 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 214 transitions. Word has length 12 [2023-11-22 20:53:31,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 20:53:31,718 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 214 transitions. [2023-11-22 20:53:31,718 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) [2023-11-22 20:53:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2023-11-22 20:53:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-22 20:53:31,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 20:53:31,720 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] [2023-11-22 20:53:31,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 20:53:31,721 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 20:53:31,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 20:53:31,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1435393964, now seen corresponding path program 1 times [2023-11-22 20:53:31,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 20:53:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723500707] [2023-11-22 20:53:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 20:53:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 20:53:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 20:53:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 20:53:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 20:53:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-22 20:53:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 20:53:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 20:53:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-22 20:53:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 20:53:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-22 20:53:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-22 20:53:31,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 20:53:31,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723500707] [2023-11-22 20:53:31,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723500707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 20:53:31,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 20:53:31,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 20:53:31,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114072773] [2023-11-22 20:53:31,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 20:53:31,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 20:53:31,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 20:53:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 20:53:31,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 20:53:31,978 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) [2023-11-22 20:53:32,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 20:53:32,206 INFO L93 Difference]: Finished difference Result 330 states and 428 transitions. [2023-11-22 20:53:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 20:53:32,208 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 [2023-11-22 20:53:32,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 20:53:32,210 INFO L225 Difference]: With dead ends: 330 [2023-11-22 20:53:32,212 INFO L226 Difference]: Without dead ends: 169 [2023-11-22 20:53:32,213 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 [2023-11-22 20:53:32,214 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 [2023-11-22 20:53:32,216 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] [2023-11-22 20:53:32,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-22 20:53:32,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2023-11-22 20:53:32,231 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) [2023-11-22 20:53:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 213 transitions. [2023-11-22 20:53:32,235 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 213 transitions. Word has length 63 [2023-11-22 20:53:32,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 20:53:32,236 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 213 transitions. [2023-11-22 20:53:32,236 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) [2023-11-22 20:53:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 213 transitions. [2023-11-22 20:53:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-22 20:53:32,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 20:53:32,243 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] [2023-11-22 20:53:32,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 20:53:32,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 20:53:32,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 20:53:32,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1943276732, now seen corresponding path program 1 times [2023-11-22 20:53:32,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 20:53:32,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483493291] [2023-11-22 20:53:32,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 20:53:32,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 20:53:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 20:53:32,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-22 20:53:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 20:53:32,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-22 20:53:32,389 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-22 20:53:32,390 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-22 20:53:32,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 20:53:32,394 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-22 20:53:32,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-22 20:53:32,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,447 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,447 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,448 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,448 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,450 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-22 20:53:32,450 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,450 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-22 20:53:32,450 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret406 [2023-11-22 20:53:32,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-22 20:53:32,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated [2023-11-22 20:53:32,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,465 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,465 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,465 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret409 [2023-11-22 20:53:32,465 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,466 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,467 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,467 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,468 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,468 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-22 20:53:32,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated [2023-11-22 20:53:32,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-22 20:53:32,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-22 20:53:32,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:32,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:32,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 08:53:32 BoogieIcfgContainer [2023-11-22 20:53:32,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-22 20:53:32,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-22 20:53:32,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-22 20:53:32,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-22 20:53:32,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:53:31" (3/4) ... [2023-11-22 20:53:32,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-22 20:53:32,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-22 20:53:32,497 INFO L158 Benchmark]: Toolchain (without parser) took 3293.42ms. Allocated memory was 153.1MB in the beginning and 371.2MB in the end (delta: 218.1MB). Free memory was 76.6MB in the beginning and 272.6MB in the end (delta: -196.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-22 20:53:32,497 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 20:53:32,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.88ms. Allocated memory was 153.1MB in the beginning and 241.2MB in the end (delta: 88.1MB). Free memory was 76.3MB in the beginning and 133.7MB in the end (delta: -57.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-22 20:53:32,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.36ms. Allocated memory is still 241.2MB. Free memory was 133.7MB in the beginning and 127.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-22 20:53:32,498 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 241.2MB. Free memory was 127.4MB in the beginning and 123.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-22 20:53:32,498 INFO L158 Benchmark]: RCFGBuilder took 699.60ms. Allocated memory is still 241.2MB. Free memory was 123.2MB in the beginning and 67.7MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-22 20:53:32,499 INFO L158 Benchmark]: TraceAbstraction took 1407.20ms. Allocated memory was 241.2MB in the beginning and 371.2MB in the end (delta: 130.0MB). Free memory was 67.7MB in the beginning and 273.6MB in the end (delta: -206.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 20:53:32,499 INFO L158 Benchmark]: Witness Printer took 3.11ms. Allocated memory is still 371.2MB. Free memory was 273.6MB in the beginning and 272.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 20:53:32,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.88ms. Allocated memory was 153.1MB in the beginning and 241.2MB in the end (delta: 88.1MB). Free memory was 76.3MB in the beginning and 133.7MB in the end (delta: -57.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.36ms. Allocated memory is still 241.2MB. Free memory was 133.7MB in the beginning and 127.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 241.2MB. Free memory was 127.4MB in the beginning and 123.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 699.60ms. Allocated memory is still 241.2MB. Free memory was 123.2MB in the beginning and 67.7MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1407.20ms. Allocated memory was 241.2MB in the beginning and 371.2MB in the end (delta: 130.0MB). Free memory was 67.7MB in the beginning and 273.6MB in the end (delta: -206.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.11ms. Allocated memory is still 371.2MB. Free memory was 273.6MB in the beginning and 272.6MB in the end (delta: 1.0MB). 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!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~switch390 could not be translated - 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: 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 #t~ret406 - 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: 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~ret396 could not be translated - 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!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~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!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: 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: 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!device - 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!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: 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: 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 ~__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: 1.2s, 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s 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 [2023-11-22 20:53:32,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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-6ae2ee4-m [2023-11-22 20:53:34,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 20:53:34,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-22 20:53:34,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 20:53:34,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 20:53:34,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 20:53:34,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 20:53:34,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 20:53:34,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 20:53:34,650 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 20:53:34,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 20:53:34,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 20:53:34,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 20:53:34,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 20:53:34,652 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 20:53:34,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 20:53:34,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 20:53:34,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 20:53:34,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 20:53:34,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 20:53:34,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 20:53:34,654 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-22 20:53:34,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-22 20:53:34,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-22 20:53:34,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 20:53:34,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 20:53:34,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 20:53:34,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 20:53:34,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 20:53:34,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 20:53:34,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 20:53:34,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 20:53:34,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 20:53:34,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 20:53:34,657 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-22 20:53:34,658 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-22 20:53:34,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 20:53:34,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 20:53:34,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 20:53:34,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 20:53:34,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 20:53:34,659 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-22 20:53:34,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 20:53:34,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 20:53:34,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 20:53:34,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 20:53:34,980 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 20:53:34,981 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 20:53:34,982 INFO L431 ainManager$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 [2023-11-22 20:53:36,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 20:53:36,447 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 20:53:36,447 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-22 20:53:36,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b3834fd/a532026bf4ed41f39a11ca887da0aa92/FLAGa25c64133 [2023-11-22 20:53:36,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b3834fd/a532026bf4ed41f39a11ca887da0aa92 [2023-11-22 20:53:36,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 20:53:36,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 20:53:36,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 20:53:36,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 20:53:36,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 20:53:36,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:53:36" (1/1) ... [2023-11-22 20:53:36,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3b59a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:36, skipping insertion in model container [2023-11-22 20:53:36,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:53:36" (1/1) ... [2023-11-22 20:53:36,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 20:53:37,329 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] [2023-11-22 20:53:37,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 20:53:37,381 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-22 20:53:37,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 20:53:37,528 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] [2023-11-22 20:53:37,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 20:53:37,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 20:53:37,596 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] [2023-11-22 20:53:37,622 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] [2023-11-22 20:53:37,623 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] [2023-11-22 20:53:37,623 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] [2023-11-22 20:53:37,653 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] [2023-11-22 20:53:37,657 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] [2023-11-22 20:53:37,723 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] [2023-11-22 20:53:37,733 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] [2023-11-22 20:53:37,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 20:53:37,767 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 20:53:37,768 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 20:53:37,773 INFO L206 MainTranslator]: Completed translation [2023-11-22 20:53:37,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37 WrapperNode [2023-11-22 20:53:37,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 20:53:37,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 20:53:37,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 20:53:37,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 20:53:37,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,873 INFO L138 Inliner]: procedures = 150, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 482 [2023-11-22 20:53:37,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 20:53:37,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 20:53:37,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 20:53:37,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 20:53:37,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 20:53:37,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 20:53:37,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 20:53:37,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 20:53:37,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (1/1) ... [2023-11-22 20:53:37,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 20:53:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 20:53:37,968 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) [2023-11-22 20:53:37,981 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 [2023-11-22 20:53:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-22 20:53:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-22 20:53:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-22 20:53:38,019 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-22 20:53:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-22 20:53:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-22 20:53:38,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-22 20:53:38,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 20:53:38,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 20:53:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-22 20:53:38,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-22 20:53:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 20:53:38,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 20:53:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 20:53:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 20:53:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-22 20:53:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-22 20:53:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 20:53:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 20:53:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-22 20:53:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-22 20:53:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 20:53:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 20:53:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-22 20:53:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-22 20:53:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 20:53:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-22 20:53:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 20:53:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-22 20:53:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-22 20:53:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-22 20:53:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-22 20:53:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 20:53:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 20:53:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-22 20:53:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-22 20:53:38,253 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 20:53:38,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 20:53:38,806 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 20:53:38,910 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 20:53:38,910 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-22 20:53:38,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:53:38 BoogieIcfgContainer [2023-11-22 20:53:38,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 20:53:38,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 20:53:38,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 20:53:38,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 20:53:38,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:53:36" (1/3) ... [2023-11-22 20:53:38,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d26c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:53:38, skipping insertion in model container [2023-11-22 20:53:38,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:53:37" (2/3) ... [2023-11-22 20:53:38,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d26c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:53:38, skipping insertion in model container [2023-11-22 20:53:38,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:53:38" (3/3) ... [2023-11-22 20:53:38,919 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-22 20:53:38,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 20:53:38,934 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 20:53:38,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 20:53:38,987 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;@7a16dc6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 20:53:38,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 20:53:38,991 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) [2023-11-22 20:53:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-22 20:53:38,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 20:53:38,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 20:53:38,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 20:53:39,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 20:53:39,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1029183535, now seen corresponding path program 1 times [2023-11-22 20:53:39,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-22 20:53:39,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650558537] [2023-11-22 20:53:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 20:53:39,028 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 [2023-11-22 20:53:39,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-22 20:53:39,030 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) [2023-11-22 20:53:39,036 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 [2023-11-22 20:53:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 20:53:39,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-22 20:53:39,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 20:53:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 20:53:39,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 20:53:39,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-22 20:53:39,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650558537] [2023-11-22 20:53:39,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650558537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 20:53:39,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 20:53:39,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 20:53:39,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713449490] [2023-11-22 20:53:39,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 20:53:39,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 20:53:39,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-22 20:53:39,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 20:53:39,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 20:53:39,263 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) [2023-11-22 20:53:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 20:53:39,583 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2023-11-22 20:53:39,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 20:53:39,585 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 [2023-11-22 20:53:39,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 20:53:39,591 INFO L225 Difference]: With dead ends: 261 [2023-11-22 20:53:39,591 INFO L226 Difference]: Without dead ends: 165 [2023-11-22 20:53:39,594 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 [2023-11-22 20:53:39,596 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 108 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2023-11-22 20:53:39,597 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] [2023-11-22 20:53:39,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-22 20:53:39,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2023-11-22 20:53:39,672 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) [2023-11-22 20:53:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 214 transitions. [2023-11-22 20:53:39,675 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 214 transitions. Word has length 12 [2023-11-22 20:53:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 20:53:39,675 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 214 transitions. [2023-11-22 20:53:39,675 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) [2023-11-22 20:53:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2023-11-22 20:53:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-22 20:53:39,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 20:53:39,678 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] [2023-11-22 20:53:39,721 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 [2023-11-22 20:53:39,882 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 [2023-11-22 20:53:39,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 20:53:39,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 20:53:39,883 INFO L85 PathProgramCache]: Analyzing trace with hash -564242110, now seen corresponding path program 1 times [2023-11-22 20:53:39,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-22 20:53:39,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333653815] [2023-11-22 20:53:39,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 20:53:39,884 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 [2023-11-22 20:53:39,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-22 20:53:39,885 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) [2023-11-22 20:53:39,942 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 [2023-11-22 20:53:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 20:53:40,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-22 20:53:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 20:53:40,810 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-22 20:53:40,810 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-22 20:53:40,811 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-22 20:53:40,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-22 20:53:41,013 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 [2023-11-22 20:53:41,015 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-22 20:53:41,018 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-22 20:53:41,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-22 20:53:41,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-22 20:53:41,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret401 [2023-11-22 20:53:41,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-22 20:53:41,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret252 could not be translated [2023-11-22 20:53:41,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret404 [2023-11-22 20:53:41,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-22 20:53:41,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret257 could not be translated [2023-11-22 20:53:41,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,120 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-22 20:53:41,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-22 20:53:41,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-22 20:53:41,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-22 20:53:41,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 08:53:41 BoogieIcfgContainer [2023-11-22 20:53:41,133 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-22 20:53:41,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-22 20:53:41,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-22 20:53:41,134 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-22 20:53:41,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:53:38" (3/4) ... [2023-11-22 20:53:41,136 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-22 20:53:41,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-22 20:53:41,140 INFO L158 Benchmark]: Toolchain (without parser) took 4608.90ms. Allocated memory was 77.6MB in the beginning and 169.9MB in the end (delta: 92.3MB). Free memory was 56.0MB in the beginning and 71.9MB in the end (delta: -15.9MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-11-22 20:53:41,140 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 20:53:41,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1239.37ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 55.8MB in the beginning and 63.2MB in the end (delta: -7.5MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2023-11-22 20:53:41,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.86ms. Allocated memory is still 115.3MB. Free memory was 63.2MB in the beginning and 57.7MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-22 20:53:41,143 INFO L158 Benchmark]: Boogie Preprocessor took 58.58ms. Allocated memory is still 115.3MB. Free memory was 57.7MB in the beginning and 52.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-22 20:53:41,143 INFO L158 Benchmark]: RCFGBuilder took 973.86ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 52.7MB in the beginning and 103.4MB in the end (delta: -50.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-22 20:53:41,145 INFO L158 Benchmark]: TraceAbstraction took 2220.60ms. Allocated memory is still 169.9MB. Free memory was 103.4MB in the beginning and 71.9MB in the end (delta: 31.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-22 20:53:41,145 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 169.9MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 20:53:41,147 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 77.6MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1239.37ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 55.8MB in the beginning and 63.2MB in the end (delta: -7.5MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.86ms. Allocated memory is still 115.3MB. Free memory was 63.2MB in the beginning and 57.7MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.58ms. Allocated memory is still 115.3MB. Free memory was 57.7MB in the beginning and 52.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 973.86ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 52.7MB in the beginning and 103.4MB in the end (delta: -50.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2220.60ms. Allocated memory is still 169.9MB. Free memory was 103.4MB in the beginning and 71.9MB in the end (delta: 31.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 169.9MB. Free memory is still 71.9MB. 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!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~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: 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!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!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~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~ret252 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: 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!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: 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!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - 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!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: 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!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 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: 2.1s, 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, 0.2s 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: 0.0s 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 [2023-11-22 20:53:41,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample