./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:59:56,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:59:56,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 13:59:56,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:59:56,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:59:56,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:59:56,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:59:56,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:59:56,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:59:56,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:59:56,760 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:59:56,761 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:59:56,761 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:59:56,762 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:59:56,762 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:59:56,763 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:59:56,763 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:59:56,764 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:59:56,764 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:59:56,765 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:59:56,765 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:59:56,766 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:59:56,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:59:56,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:59:56,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:59:56,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:59:56,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:59:56,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:59:56,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:59:56,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:59:56,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:59:56,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:59:56,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:59:56,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:59:56,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:59:56,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:59:56,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:59:56,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:59:56,773 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:59:56,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:59:56,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:59:56,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:59:56,774 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:59:56,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:59:56,774 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2023-12-02 13:59:56,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:59:57,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:59:57,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:59:57,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:59:57,018 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:59:57,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-12-02 13:59:59,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:00:00,197 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:00:00,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-12-02 14:00:00,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data/8de7530f7/c060561cd9b24ca3893e5e779e975c5d/FLAG1432b5d95 [2023-12-02 14:00:00,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data/8de7530f7/c060561cd9b24ca3893e5e779e975c5d [2023-12-02 14:00:00,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:00:00,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:00:00,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:00:00,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:00:00,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:00:00,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:00:00" (1/1) ... [2023-12-02 14:00:00,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efddfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:00, skipping insertion in model container [2023-12-02 14:00:00,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:00:00" (1/1) ... [2023-12-02 14:00:00,345 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:00:01,237 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-12-02 14:00:01,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:00:01,288 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:00:01,431 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] [2023-12-02 14:00:01,452 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] [2023-12-02 14:00:01,453 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] [2023-12-02 14:00:01,454 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] [2023-12-02 14:00:01,473 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] [2023-12-02 14:00:01,479 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] [2023-12-02 14:00:01,522 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] [2023-12-02 14:00:01,532 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-12-02 14:00:01,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:00:01,566 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:00:01,566 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:00:01,601 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:00:01,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01 WrapperNode [2023-12-02 14:00:01,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:00:01,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:00:01,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:00:01,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:00:01,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,715 INFO L138 Inliner]: procedures = 143, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 508 [2023-12-02 14:00:01,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:00:01,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:00:01,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:00:01,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:00:01,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:00:01,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:00:01,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:00:01,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:00:01,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (1/1) ... [2023-12-02 14:00:01,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:00:01,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:00:01,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:00:01,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:00:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-12-02 14:00:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-12-02 14:00:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:00:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-12-02 14:00:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-12-02 14:00:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 14:00:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 14:00:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:00:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 14:00:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 14:00:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 14:00:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 14:00:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:00:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:00:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-12-02 14:00:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-12-02 14:00:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:00:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:00:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-12-02 14:00:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-12-02 14:00:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 14:00:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 14:00:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:00:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:00:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:00:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-12-02 14:00:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-12-02 14:00:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:00:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:00:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 14:00:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 14:00:02,078 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:00:02,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:00:02,513 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:00:02,694 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:00:02,694 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:00:02,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:02 BoogieIcfgContainer [2023-12-02 14:00:02,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:00:02,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:00:02,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:00:02,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:00:02,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:00:00" (1/3) ... [2023-12-02 14:00:02,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3801587c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:00:02, skipping insertion in model container [2023-12-02 14:00:02,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:01" (2/3) ... [2023-12-02 14:00:02,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3801587c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:00:02, skipping insertion in model container [2023-12-02 14:00:02,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:02" (3/3) ... [2023-12-02 14:00:02,703 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-12-02 14:00:02,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:00:02,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:00:02,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:00:02,766 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=FINITE_AUTOMATA, 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;@49b569d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:00:02,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:00:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 52 states have internal predecessors, (63), 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) [2023-12-02 14:00:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 14:00:02,776 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:00:02,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:00:02,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:00:02,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:00:02,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1151882180, now seen corresponding path program 1 times [2023-12-02 14:00:02,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:00:02,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953838486] [2023-12-02 14:00:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:00:02,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:00:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:00:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:00:03,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:00:03,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953838486] [2023-12-02 14:00:03,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953838486] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:00:03,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:00:03,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:00:03,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228165456] [2023-12-02 14:00:03,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:00:03,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:00:03,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:00:03,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:00:03,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:00:03,104 INFO L87 Difference]: Start difference. First operand has 80 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 52 states have internal predecessors, (63), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-12-02 14:00:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:00:03,308 INFO L93 Difference]: Finished difference Result 218 states and 276 transitions. [2023-12-02 14:00:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:00:03,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 10 [2023-12-02 14:00:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:00:03,321 INFO L225 Difference]: With dead ends: 218 [2023-12-02 14:00:03,321 INFO L226 Difference]: Without dead ends: 136 [2023-12-02 14:00:03,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:00:03,328 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 86 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:00:03,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 140 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:00:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-02 14:00:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2023-12-02 14:00:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 85 states have (on average 1.2117647058823529) internal successors, (103), 86 states have internal predecessors, (103), 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) [2023-12-02 14:00:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 167 transitions. [2023-12-02 14:00:03,387 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 167 transitions. Word has length 10 [2023-12-02 14:00:03,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:00:03,387 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 167 transitions. [2023-12-02 14:00:03,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-12-02 14:00:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 167 transitions. [2023-12-02 14:00:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 14:00:03,391 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:00:03,392 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] [2023-12-02 14:00:03,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:00:03,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:00:03,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:00:03,393 INFO L85 PathProgramCache]: Analyzing trace with hash -809575175, now seen corresponding path program 1 times [2023-12-02 14:00:03,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:00:03,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110933970] [2023-12-02 14:00:03,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:00:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:00:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:00:03,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:00:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:00:03,662 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:00:03,662 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:00:03,689 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:00:03,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:00:03,693 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 14:00:03,697 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:00:03,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch394 could not be translated [2023-12-02 14:00:03,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch394 could not be translated [2023-12-02 14:00:03,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret410 [2023-12-02 14:00:03,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret400 could not be translated [2023-12-02 14:00:03,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret257 could not be translated [2023-12-02 14:00:03,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret413 [2023-12-02 14:00:03,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret400 could not be translated [2023-12-02 14:00:03,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret262 could not be translated [2023-12-02 14:00:03,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret271 could not be translated [2023-12-02 14:00:03,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch394 could not be translated [2023-12-02 14:00:03,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch394 could not be translated [2023-12-02 14:00:03,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:03,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:03,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:00:03 BoogieIcfgContainer [2023-12-02 14:00:03,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:00:03,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:00:03,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:00:03,789 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:00:03,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:02" (3/4) ... [2023-12-02 14:00:03,791 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:00:03,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:00:03,794 INFO L158 Benchmark]: Toolchain (without parser) took 3543.98ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 122.0MB in the beginning and 130.1MB in the end (delta: -8.0MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-12-02 14:00:03,794 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 89.5MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:00:03,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.44ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 106.6MB in the end (delta: 14.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2023-12-02 14:00:03,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.26ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 106.6MB in the beginning and 147.2MB in the end (delta: -40.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-12-02 14:00:03,796 INFO L158 Benchmark]: Boogie Preprocessor took 64.07ms. Allocated memory is still 195.0MB. Free memory was 147.2MB in the beginning and 143.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:00:03,797 INFO L158 Benchmark]: RCFGBuilder took 914.64ms. Allocated memory is still 195.0MB. Free memory was 143.0MB in the beginning and 130.9MB in the end (delta: 12.1MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-12-02 14:00:03,797 INFO L158 Benchmark]: TraceAbstraction took 1089.99ms. Allocated memory is still 195.0MB. Free memory was 130.9MB in the beginning and 130.1MB in the end (delta: 811.0kB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-12-02 14:00:03,798 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 195.0MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:00:03,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 89.5MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.44ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 106.6MB in the end (delta: 14.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.26ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 106.6MB in the beginning and 147.2MB in the end (delta: -40.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.07ms. Allocated memory is still 195.0MB. Free memory was 147.2MB in the beginning and 143.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 914.64ms. Allocated memory is still 195.0MB. Free memory was 143.0MB in the beginning and 130.9MB in the end (delta: 12.1MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1089.99ms. Allocated memory is still 195.0MB. Free memory was 130.9MB in the beginning and 130.1MB in the end (delta: 811.0kB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 195.0MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3096]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] - GenericResultAtLocation [Line: 3530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] - GenericResultAtLocation [Line: 3538]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] - GenericResultAtLocation [Line: 3546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] - GenericResultAtLocation [Line: 3761]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] - GenericResultAtLocation [Line: 3836]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch394 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch394 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__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 #t~ret410 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret400 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~ret257 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 ~__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 #t~ret413 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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~ret400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret262 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret271 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~switch394 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: IdentifierExpression #t~switch394 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__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={18446744073709551613:18446744073709551650}, 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); [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, arg0={18446744073709551628:18446744073709551632}, arg0={18446744073709551628:18446744073709551632}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, bio={0:0}, disk={18446744073709551635:0}, disk={18446744073709551635:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, vblk={18446744073709551625:-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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, arg0={18446744073709551628:18446744073709551632}, arg0={18446744073709551628:18446744073709551632}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, bio={0:0}, disk={18446744073709551635:0}, disk={18446744073709551635:0}, 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={18446744073709551625:-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=-14, __this_module={18446744073709551613:18446744073709551650}, bio={0:0}, disk={18446744073709551635:0}, disk={18446744073709551635:0}, 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=-14, vblk={18446744073709551625:-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) [L3935] return (err); [L3935] return (err); VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=18446744073709551612, \old(mode)=0, \result=-14, __this_module={18446744073709551613:18446744073709551650}, bdev={18446744073709551652:-2}, bdev={18446744073709551652:-2}, cmd=1447184708, data=18446744073709551612, disk={18446744073709551635:0}, err=-14, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=0, tmp=1, usr_data={0:-4}, vblk={18446744073709551625:-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={18446744073709551613:18446744073709551650}, 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={18446744073709551652:-2}, var_virtblk_ioctl_5_p1=0, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=18446744073709551612, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551613:18446744073709551650}, 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={18446744073709551652:-2}, var_virtblk_ioctl_5_p1=0, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=18446744073709551612, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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={18446744073709551613:18446744073709551650}, 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, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 79 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 [2023-12-02 14:00:03,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:00:05,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:00:05,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 14:00:05,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:00:05,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:00:05,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:00:05,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:00:05,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:00:05,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:00:05,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:00:05,878 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:00:05,879 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:00:05,879 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:00:05,880 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:00:05,880 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:00:05,881 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:00:05,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:00:05,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:00:05,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:00:05,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:00:05,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:00:05,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:00:05,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:00:05,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:00:05,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:00:05,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:00:05,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:00:05,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:00:05,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:00:05,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:00:05,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:00:05,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:00:05,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:00:05,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:00:05,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:00:05,893 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:00:05,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:00:05,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:00:05,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:00:05,894 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:00:05,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:00:05,895 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2023-12-02 14:00:06,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:00:06,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:00:06,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:00:06,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:00:06,200 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:00:06,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-12-02 14:00:08,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:00:09,400 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:00:09,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-12-02 14:00:09,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data/a7d649ccf/b10cae0f66134e4ea3c8e592c69db366/FLAGa9b7ab9bc [2023-12-02 14:00:09,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/data/a7d649ccf/b10cae0f66134e4ea3c8e592c69db366 [2023-12-02 14:00:09,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:00:09,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:00:09,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:00:09,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:00:09,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:00:09,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:00:09" (1/1) ... [2023-12-02 14:00:09,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc4c7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:09, skipping insertion in model container [2023-12-02 14:00:09,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:00:09" (1/1) ... [2023-12-02 14:00:09,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:00:10,266 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-12-02 14:00:10,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:00:10,311 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 14:00:10,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:00:10,520 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-12-02 14:00:10,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:00:10,533 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:00:10,589 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] [2023-12-02 14:00:10,607 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] [2023-12-02 14:00:10,607 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] [2023-12-02 14:00:10,608 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] [2023-12-02 14:00:10,656 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] [2023-12-02 14:00:10,661 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] [2023-12-02 14:00:10,710 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] [2023-12-02 14:00:10,722 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-12-02 14:00:10,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:00:10,770 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:00:10,770 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:00:10,776 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:00:10,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10 WrapperNode [2023-12-02 14:00:10,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:00:10,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:00:10,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:00:10,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:00:10,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,869 INFO L138 Inliner]: procedures = 150, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 482 [2023-12-02 14:00:10,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:00:10,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:00:10,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:00:10,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:00:10,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:00:10,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:00:10,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:00:10,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:00:10,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (1/1) ... [2023-12-02 14:00:10,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:00:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:00:10,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:00:10,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:00:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 14:00:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-02 14:00:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-12-02 14:00:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-12-02 14:00:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 14:00:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-12-02 14:00:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-12-02 14:00:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 14:00:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 14:00:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 14:00:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 14:00:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 14:00:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 14:00:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:00:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:00:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-12-02 14:00:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-12-02 14:00:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:00:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:00:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-12-02 14:00:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-12-02 14:00:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 14:00:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 14:00:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 14:00:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 14:00:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:00:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 14:00:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:00:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:00:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 14:00:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-12-02 14:00:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-12-02 14:00:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:00:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:00:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 14:00:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 14:00:11,239 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:00:11,241 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:00:11,967 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:00:12,062 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:00:12,063 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:00:12,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:12 BoogieIcfgContainer [2023-12-02 14:00:12,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:00:12,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:00:12,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:00:12,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:00:12,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:00:09" (1/3) ... [2023-12-02 14:00:12,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311cc723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:00:12, skipping insertion in model container [2023-12-02 14:00:12,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:10" (2/3) ... [2023-12-02 14:00:12,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311cc723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:00:12, skipping insertion in model container [2023-12-02 14:00:12,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:12" (3/3) ... [2023-12-02 14:00:12,074 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-12-02 14:00:12,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:00:12,096 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:00:12,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:00:12,179 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=FINITE_AUTOMATA, 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;@606d915d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:00:12,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:00:12,185 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) [2023-12-02 14:00:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 14:00:12,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:00:12,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:00:12,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:00:12,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:00:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1029183535, now seen corresponding path program 1 times [2023-12-02 14:00:12,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:00:12,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120822513] [2023-12-02 14:00:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:00:12,213 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 [2023-12-02 14:00:12,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:00:12,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 14:00:12,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 14:00:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:00:12,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:00:12,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:00:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:00:12,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:00:12,505 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:00:12,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120822513] [2023-12-02 14:00:12,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120822513] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:00:12,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:00:12,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:00:12,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23976424] [2023-12-02 14:00:12,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:00:12,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:00:12,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:00:12,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:00:12,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:00:12,541 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) [2023-12-02 14:00:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:00:13,052 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2023-12-02 14:00:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:00:13,055 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 [2023-12-02 14:00:13,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:00:13,066 INFO L225 Difference]: With dead ends: 261 [2023-12-02 14:00:13,066 INFO L226 Difference]: Without dead ends: 165 [2023-12-02 14:00:13,070 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 [2023-12-02 14:00:13,073 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 108 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:00:13,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 186 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 14:00:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-12-02 14:00:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2023-12-02 14:00:13,148 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) [2023-12-02 14:00:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 214 transitions. [2023-12-02 14:00:13,153 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 214 transitions. Word has length 12 [2023-12-02 14:00:13,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:00:13,154 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 214 transitions. [2023-12-02 14:00:13,154 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) [2023-12-02 14:00:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2023-12-02 14:00:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 14:00:13,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:00:13,159 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] [2023-12-02 14:00:13,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:00:13,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 14:00:13,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:00:13,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:00:13,361 INFO L85 PathProgramCache]: Analyzing trace with hash -564242110, now seen corresponding path program 1 times [2023-12-02 14:00:13,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:00:13,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257699727] [2023-12-02 14:00:13,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:00:13,362 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 [2023-12-02 14:00:13,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:00:13,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 14:00:13,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 14:00:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:00:13,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:00:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:00:14,478 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 14:00:14,478 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:00:14,480 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:00:14,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 14:00:14,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 14:00:14,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 14:00:14,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:00:14,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch389 could not be translated [2023-12-02 14:00:14,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch389 could not be translated [2023-12-02 14:00:14,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret405 [2023-12-02 14:00:14,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret395 could not be translated [2023-12-02 14:00:14,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret253 could not be translated [2023-12-02 14:00:14,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret408 [2023-12-02 14:00:14,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret395 could not be translated [2023-12-02 14:00:14,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret258 could not be translated [2023-12-02 14:00:14,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch389 could not be translated [2023-12-02 14:00:14,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch389 could not be translated [2023-12-02 14:00:14,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-12-02 14:00:14,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-12-02 14:00:14,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:00:14 BoogieIcfgContainer [2023-12-02 14:00:14,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:00:14,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:00:14,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:00:14,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:00:14,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:12" (3/4) ... [2023-12-02 14:00:14,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:00:14,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:00:14,799 INFO L158 Benchmark]: Toolchain (without parser) took 5352.50ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 65.0MB in the beginning and 94.7MB in the end (delta: -29.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-12-02 14:00:14,799 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:00:14,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.69ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 64.7MB in the beginning and 67.0MB in the end (delta: -2.3MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-12-02 14:00:14,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.04ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 62.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:00:14,801 INFO L158 Benchmark]: Boogie Preprocessor took 68.19ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 57.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 14:00:14,802 INFO L158 Benchmark]: RCFGBuilder took 1124.52ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 57.2MB in the beginning and 88.2MB in the end (delta: -31.0MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-12-02 14:00:14,803 INFO L158 Benchmark]: TraceAbstraction took 2727.45ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 94.7MB in the end (delta: -7.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-12-02 14:00:14,803 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:00:14,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.69ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 64.7MB in the beginning and 67.0MB in the end (delta: -2.3MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.04ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 62.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.19ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 57.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1124.52ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 57.2MB in the beginning and 88.2MB in the end (delta: -31.0MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2727.45ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 94.7MB in the end (delta: -7.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory is still 94.7MB. 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!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch389 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch389 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!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 #t~ret405 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret395 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~ret253 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!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~ret408 - 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!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret395 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~ret258 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 ~__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~switch389 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~switch389 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={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: 2.5s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 104 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.1s 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 [2023-12-02 14:00:14,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e0942e-158b-4440-a3ce-20677363d037/bin/utaipan-verify-nQ1chXbOIh/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