./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:48,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:48,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:49:48,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:48,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:48,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:48,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:48,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:48,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:48,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:48,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:48,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:48,290 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:48,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:48,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:48,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:48,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:48,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:48,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:48,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:48,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:48,295 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:48,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:48,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:48,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:48,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:48,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:48,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:48,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:48,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:48,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:48,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:48,301 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:48,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:48,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:48,302 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:48,303 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2023-11-19 07:49:48,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:48,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:48,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:48,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:48,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:48,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-19 07:49:51,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:52,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:52,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-19 07:49:52,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data/d54f70c7a/8fddd9c903ec4d8c9a993311fc4b2ea3/FLAGfc8dde718 [2023-11-19 07:49:52,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data/d54f70c7a/8fddd9c903ec4d8c9a993311fc4b2ea3 [2023-11-19 07:49:52,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:52,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:52,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:52,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:52,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:52,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b57c9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52, skipping insertion in model container [2023-11-19 07:49:52,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:52" (1/1) ... [2023-11-19 07:49:52,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:53,955 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_420c4071-f660-4d43-8d0f-c62269df124e/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-19 07:49:53,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:54,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:54,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] [2023-11-19 07:49:54,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] [2023-11-19 07:49:54,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] [2023-11-19 07:49:54,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] [2023-11-19 07:49:54,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] [2023-11-19 07:49:54,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] [2023-11-19 07:49:54,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] [2023-11-19 07:49:54,378 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_420c4071-f660-4d43-8d0f-c62269df124e/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-19 07:49:54,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:54,442 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:54,442 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:54,472 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:54,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54 WrapperNode [2023-11-19 07:49:54,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:54,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:54,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:54,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:54,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,608 INFO L138 Inliner]: procedures = 143, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 508 [2023-11-19 07:49:54,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:54,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:54,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:54,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:54,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:54,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:54,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:54,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:54,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (1/1) ... [2023-11-19 07:49:54,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:54,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:54,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:54,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-19 07:49:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-19 07:49:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:49:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-19 07:49:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-19 07:49:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:49:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:49:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:49:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:49:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:49:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:49:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:49:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:49:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-19 07:49:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-19 07:49:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:49:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:49:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:49:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:49:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:49:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:49:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:49:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:49:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-19 07:49:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-19 07:49:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:49:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:49:55,075 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:55,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:55,728 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:55,744 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:55,744 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:49:55,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:55 BoogieIcfgContainer [2023-11-19 07:49:55,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:55,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:55,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:55,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:55,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:52" (1/3) ... [2023-11-19 07:49:55,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329c6638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:55, skipping insertion in model container [2023-11-19 07:49:55,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:54" (2/3) ... [2023-11-19 07:49:55,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329c6638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:55, skipping insertion in model container [2023-11-19 07:49:55,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:55" (3/3) ... [2023-11-19 07:49:55,762 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-19 07:49:55,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:55,785 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:49:55,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:49:55,858 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f8905e9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:49:55,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:49:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:49:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:49:55,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:55,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:55,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:49:55,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:55,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1803778122, now seen corresponding path program 1 times [2023-11-19 07:49:55,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:55,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426981268] [2023-11-19 07:49:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:55,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:49:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:56,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:56,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426981268] [2023-11-19 07:49:56,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426981268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:56,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:56,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:49:56,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292824720] [2023-11-19 07:49:56,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:56,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:56,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:56,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:56,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:56,463 INFO L87 Difference]: Start difference. First operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 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 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:49:56,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:56,545 INFO L93 Difference]: Finished difference Result 346 states and 438 transitions. [2023-11-19 07:49:56,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:56,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15 [2023-11-19 07:49:56,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:56,560 INFO L225 Difference]: With dead ends: 346 [2023-11-19 07:49:56,560 INFO L226 Difference]: Without dead ends: 216 [2023-11-19 07:49:56,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:56,568 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 139 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:56,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 290 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:49:56,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-19 07:49:56,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2023-11-19 07:49:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2181818181818183) internal successors, (201), 166 states have internal predecessors, (201), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 07:49:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 265 transitions. [2023-11-19 07:49:56,649 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 265 transitions. Word has length 15 [2023-11-19 07:49:56,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:56,650 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 265 transitions. [2023-11-19 07:49:56,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:49:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 265 transitions. [2023-11-19 07:49:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:49:56,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:56,657 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:56,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:56,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:49:56,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:56,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1193905023, now seen corresponding path program 1 times [2023-11-19 07:49:56,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:56,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309592319] [2023-11-19 07:49:56,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:49:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:49:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:49:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:49:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:49:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:49:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:49:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 07:49:57,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:57,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309592319] [2023-11-19 07:49:57,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309592319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:57,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:57,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:49:57,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252750994] [2023-11-19 07:49:57,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:57,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:49:57,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:57,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:49:57,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:49:57,146 INFO L87 Difference]: Start difference. First operand 216 states and 265 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:49:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:57,491 INFO L93 Difference]: Finished difference Result 428 states and 526 transitions. [2023-11-19 07:49:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:49:57,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2023-11-19 07:49:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:57,501 INFO L225 Difference]: With dead ends: 428 [2023-11-19 07:49:57,504 INFO L226 Difference]: Without dead ends: 220 [2023-11-19 07:49:57,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:49:57,514 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 36 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:57,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 388 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:49:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-19 07:49:57,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2023-11-19 07:49:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2121212121212122) internal successors, (200), 166 states have internal predecessors, (200), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 07:49:57,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 264 transitions. [2023-11-19 07:49:57,573 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 264 transitions. Word has length 78 [2023-11-19 07:49:57,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:57,574 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 264 transitions. [2023-11-19 07:49:57,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:49:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 264 transitions. [2023-11-19 07:49:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 07:49:57,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:57,579 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:57,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:49:57,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:49:57,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:57,580 INFO L85 PathProgramCache]: Analyzing trace with hash -391319208, now seen corresponding path program 1 times [2023-11-19 07:49:57,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:57,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111780258] [2023-11-19 07:49:57,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:57,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:49:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:49:57,822 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:49:57,824 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:49:57,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:49:57,829 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:49:57,834 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:49:57,896 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,896 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,902 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-19 07:49:57,902 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,902 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,903 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-19 07:49:57,903 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,904 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,904 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret406 [2023-11-19 07:49:57,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,907 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,907 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-19 07:49:57,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated [2023-11-19 07:49:57,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret409 [2023-11-19 07:49:57,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-19 07:49:57,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated [2023-11-19 07:49:57,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-19 07:49:57,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-19 07:49:57,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:49:57,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:49:57,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:57 BoogieIcfgContainer [2023-11-19 07:49:57,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:49:57,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:49:57,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:49:57,960 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:49:57,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:55" (3/4) ... [2023-11-19 07:49:57,968 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:49:57,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:49:57,970 INFO L158 Benchmark]: Toolchain (without parser) took 5189.79ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 99.2MB in the beginning and 113.9MB in the end (delta: -14.7MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:57,971 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 113.2MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:57,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.75ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 91.2MB in the end (delta: 7.6MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2023-11-19 07:49:57,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.39ms. Allocated memory is still 144.7MB. Free memory was 91.2MB in the beginning and 86.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:49:57,980 INFO L158 Benchmark]: Boogie Preprocessor took 115.03ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 82.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:49:57,982 INFO L158 Benchmark]: RCFGBuilder took 1026.16ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 82.0MB in the beginning and 132.1MB in the end (delta: -50.2MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-19 07:49:57,983 INFO L158 Benchmark]: TraceAbstraction took 2204.55ms. Allocated memory is still 195.0MB. Free memory was 131.3MB in the beginning and 114.9MB in the end (delta: 16.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-19 07:49:57,985 INFO L158 Benchmark]: Witness Printer took 9.87ms. Allocated memory is still 195.0MB. Free memory was 114.9MB in the beginning and 113.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:57,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 113.2MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.75ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 91.2MB in the end (delta: 7.6MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.39ms. Allocated memory is still 144.7MB. Free memory was 91.2MB in the beginning and 86.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.03ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 82.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1026.16ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 82.0MB in the beginning and 132.1MB in the end (delta: -50.2MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2204.55ms. Allocated memory is still 195.0MB. Free memory was 131.3MB in the beginning and 114.9MB in the end (delta: 16.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 9.87ms. Allocated memory is still 195.0MB. Free memory was 114.9MB in the beginning and 113.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3096]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] - GenericResultAtLocation [Line: 3530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] - GenericResultAtLocation [Line: 3538]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] - GenericResultAtLocation [Line: 3546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] - GenericResultAtLocation [Line: 3761]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] - GenericResultAtLocation [Line: 3836]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret406 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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!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~ret396 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret409 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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 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; VAL [LDV_IN_INTERRUPT=0, __this_module={4294967299:4294967304}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [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={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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 VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___1=-2, virtblk_fops={12:0}, virtio_blk={15:0}] [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, arg0={4294967303:4294967301}, arg0={4294967303:4294967301}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={4294967299:4294967304}, 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] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, 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); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={4294967299:4294967304}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, bio={0:0}, disk={4294967298:0}, disk={4294967298:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, vblk={0:-4}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, arg0={4294967303:4294967301}, arg0={4294967303:4294967301}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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); VAL [LDV_IN_INTERRUPT=1, \old(ldv_func_arg3)=208, \result={0:0}, __this_module={4294967299:4294967304}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={4294967303:4294967301}, ldv_func_arg1={4294967303:4294967301}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_func_res={0:0}, major=0, tmp={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [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={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={4294967299:4294967304}, 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] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, 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); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={4294967299:4294967304}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] RET, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, bio={0:0}, disk={4294967298:0}, disk={4294967298:0}, 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={0:-4}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \result=1, __this_module={4294967299:4294967304}, bio={0:0}, disk={4294967298:0}, disk={4294967298:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=1, vblk={0:-4}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=0, \old(mode)=1, __this_module={4294967299:4294967304}, bdev={4294967300:-3}, bdev={4294967300:-3}, cmd=1447184708, data=0, disk={4294967298:0}, err=1, features={14:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=1, usr_data={0:0}, vblk={0:-4}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3935] return (err); [L3935] return (err); VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=0, \old(mode)=1, \result=1, __this_module={4294967299:4294967304}, bdev={4294967300:-3}, bdev={4294967300:-3}, cmd=1447184708, data=0, disk={4294967298:0}, err=1, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=1, usr_data={0:0}, vblk={0:-4}, 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={4294967299:4294967304}, 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={4294967300:-3}, var_virtblk_ioctl_5_p1=1, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, 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={4294967300:-3}, var_virtblk_ioctl_5_p1=1, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={4294967299:4294967304}, 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={4294967299:4294967304}, 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={4294967299:4294967304}, 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, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 678 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 398 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 280 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:49:58,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:00,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:00,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 07:50:00,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:00,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:00,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:00,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:00,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:00,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:00,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:00,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:00,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:00,824 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:00,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:00,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:00,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:00,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:00,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:00,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:00,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:50:00,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:50:00,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:50:00,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:00,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:00,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:00,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:00,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:00,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:00,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:00,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:00,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:00,834 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:50:00,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:50:00,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:00,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:00,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:00,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:00,836 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:50:00,836 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:00,836 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2023-11-19 07:50:01,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:01,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:01,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:01,296 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:01,296 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:01,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-19 07:50:04,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:05,051 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:05,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-19 07:50:05,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data/bfa2b187a/e510bf5cc150432997195821a2c730fa/FLAG6fb786587 [2023-11-19 07:50:05,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/data/bfa2b187a/e510bf5cc150432997195821a2c730fa [2023-11-19 07:50:05,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:05,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:05,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:05,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:05,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:05,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:05,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef39ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:05, skipping insertion in model container [2023-11-19 07:50:05,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:05" (1/1) ... [2023-11-19 07:50:05,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:06,523 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_420c4071-f660-4d43-8d0f-c62269df124e/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-19 07:50:06,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:06,605 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:50:06,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:06,919 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_420c4071-f660-4d43-8d0f-c62269df124e/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-19 07:50:06,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:06,981 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:07,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] [2023-11-19 07:50:07,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] [2023-11-19 07:50:07,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] [2023-11-19 07:50:07,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] [2023-11-19 07:50:07,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] [2023-11-19 07:50:07,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] [2023-11-19 07:50:07,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] [2023-11-19 07:50:07,284 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_420c4071-f660-4d43-8d0f-c62269df124e/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-19 07:50:07,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:07,352 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:07,352 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:07,361 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:07,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07 WrapperNode [2023-11-19 07:50:07,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:07,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:07,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:07,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:07,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,550 INFO L138 Inliner]: procedures = 150, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 482 [2023-11-19 07:50:07,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:07,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:07,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:07,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:07,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:07,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:07,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:07,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:07,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (1/1) ... [2023-11-19 07:50:07,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:07,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:07,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:07,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 07:50:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 07:50:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-19 07:50:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-19 07:50:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 07:50:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-19 07:50:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-19 07:50:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:50:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:50:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:50:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:50:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:50:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:50:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:50:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-19 07:50:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-19 07:50:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:50:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:50:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:50:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:50:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:50:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:50:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 07:50:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 07:50:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:50:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:50:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:50:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:50:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:50:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-19 07:50:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-19 07:50:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:50:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:50:08,075 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:08,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:09,118 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:09,132 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:09,132 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:50:09,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:09 BoogieIcfgContainer [2023-11-19 07:50:09,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:09,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:09,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:09,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:09,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:05" (1/3) ... [2023-11-19 07:50:09,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90ba972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:09, skipping insertion in model container [2023-11-19 07:50:09,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:07" (2/3) ... [2023-11-19 07:50:09,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90ba972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:09, skipping insertion in model container [2023-11-19 07:50:09,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:09" (3/3) ... [2023-11-19 07:50:09,149 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-19 07:50:09,170 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:09,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:09,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:09,243 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ccc2930, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:09,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:50:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:50:09,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:09,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:09,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:09,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:09,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1549604235, now seen corresponding path program 1 times [2023-11-19 07:50:09,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:50:09,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151052310] [2023-11-19 07:50:09,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:09,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:50:09,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:50:09,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:50:09,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:50:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:09,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:50:09,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:50:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:09,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:50:09,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:50:09,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151052310] [2023-11-19 07:50:09,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151052310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:09,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:09,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:09,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718942226] [2023-11-19 07:50:09,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:09,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:50:09,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:50:09,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:09,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:09,833 INFO L87 Difference]: Start difference. First operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 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 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:50:09,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:09,958 INFO L93 Difference]: Finished difference Result 346 states and 438 transitions. [2023-11-19 07:50:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:09,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 15 [2023-11-19 07:50:09,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:09,979 INFO L225 Difference]: With dead ends: 346 [2023-11-19 07:50:09,980 INFO L226 Difference]: Without dead ends: 216 [2023-11-19 07:50:09,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:09,990 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 137 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:09,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 290 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:10,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-19 07:50:10,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2023-11-19 07:50:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2181818181818183) internal successors, (201), 166 states have internal predecessors, (201), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 07:50:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 265 transitions. [2023-11-19 07:50:10,095 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 265 transitions. Word has length 15 [2023-11-19 07:50:10,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:10,096 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 265 transitions. [2023-11-19 07:50:10,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:50:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 265 transitions. [2023-11-19 07:50:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:50:10,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:10,102 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:10,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:50:10,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:50:10,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:10,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:10,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1763310802, now seen corresponding path program 1 times [2023-11-19 07:50:10,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:50:10,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702214712] [2023-11-19 07:50:10,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:10,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:50:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:50:10,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:50:10,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:50:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:10,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:50:10,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:50:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 07:50:10,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:50:10,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:50:10,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702214712] [2023-11-19 07:50:10,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702214712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:10,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:10,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:50:10,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623841630] [2023-11-19 07:50:10,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:10,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:10,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:50:10,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:10,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:10,907 INFO L87 Difference]: Start difference. First operand 216 states and 265 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:50:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:10,992 INFO L93 Difference]: Finished difference Result 424 states and 520 transitions. [2023-11-19 07:50:10,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:10,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2023-11-19 07:50:10,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:10,999 INFO L225 Difference]: With dead ends: 424 [2023-11-19 07:50:11,000 INFO L226 Difference]: Without dead ends: 216 [2023-11-19 07:50:11,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:11,007 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:11,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 445 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:11,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-19 07:50:11,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2023-11-19 07:50:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2121212121212122) internal successors, (200), 166 states have internal predecessors, (200), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 07:50:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 264 transitions. [2023-11-19 07:50:11,042 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 264 transitions. Word has length 78 [2023-11-19 07:50:11,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:11,042 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 264 transitions. [2023-11-19 07:50:11,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:50:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 264 transitions. [2023-11-19 07:50:11,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 07:50:11,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:11,048 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:11,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:11,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:50:11,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:11,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash -251868651, now seen corresponding path program 1 times [2023-11-19 07:50:11,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:50:11,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950478422] [2023-11-19 07:50:11,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:11,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:50:11,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:50:11,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:50:11,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/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 (4)] Waiting until timeout for monitored process [2023-11-19 07:50:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:11,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:12,658 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-19 07:50:12,658 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:50:12,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:50:12,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/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 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:12,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:50:12,881 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:50:12,889 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:50:12,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-19 07:50:12,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-19 07:50:12,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret401 [2023-11-19 07:50:12,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:12,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-19 07:50:12,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:12,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret252 could not be translated [2023-11-19 07:50:13,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret404 [2023-11-19 07:50:13,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-19 07:50:13,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret257 could not be translated [2023-11-19 07:50:13,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-19 07:50:13,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-19 07:50:13,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-19 07:50:13,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-19 07:50:13,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:13 BoogieIcfgContainer [2023-11-19 07:50:13,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:50:13,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:50:13,043 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:50:13,043 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:50:13,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:09" (3/4) ... [2023-11-19 07:50:13,046 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:50:13,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:50:13,048 INFO L158 Benchmark]: Toolchain (without parser) took 7919.84ms. Allocated memory was 77.6MB in the beginning and 163.6MB in the end (delta: 86.0MB). Free memory was 48.8MB in the beginning and 81.9MB in the end (delta: -33.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-19 07:50:13,049 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:13,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2231.39ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 48.6MB in the beginning and 35.7MB in the end (delta: 12.9MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2023-11-19 07:50:13,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.01ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 35.7MB in the beginning and 88.4MB in the end (delta: -52.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-19 07:50:13,051 INFO L158 Benchmark]: Boogie Preprocessor took 137.59ms. Allocated memory is still 136.3MB. Free memory was 88.4MB in the beginning and 84.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:50:13,051 INFO L158 Benchmark]: RCFGBuilder took 1448.34ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 63.8MB in the end (delta: 19.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:13,052 INFO L158 Benchmark]: TraceAbstraction took 3901.45ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 81.9MB in the end (delta: -18.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-19 07:50:13,052 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 163.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:13,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2231.39ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 48.6MB in the beginning and 35.7MB in the end (delta: 12.9MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.01ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 35.7MB in the beginning and 88.4MB in the end (delta: -52.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.59ms. Allocated memory is still 136.3MB. Free memory was 88.4MB in the beginning and 84.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1448.34ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 63.8MB in the end (delta: 19.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3901.45ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 81.9MB in the end (delta: -18.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 163.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3096]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] - GenericResultAtLocation [Line: 3530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] - GenericResultAtLocation [Line: 3538]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] - GenericResultAtLocation [Line: 3546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] - GenericResultAtLocation [Line: 3761]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] - GenericResultAtLocation [Line: 3836]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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 #t~ret401 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret252 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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~ret404 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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: 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!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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~ret257 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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 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; VAL [LDV_IN_INTERRUPT=0, __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}] [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 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___1=-2147483648, virtblk_fops={12:0}, virtio_blk={15:0}] [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=-2147483648, 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=-2147483648, 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); 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, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [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); 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, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [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); VAL [LDV_IN_INTERRUPT=1, \old(ldv_func_arg3)=208, \result={0:0}, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_func_res={0:0}, major=0, tmp={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [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); VAL [LDV_IN_INTERRUPT=1, \result=0, __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] 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); VAL [LDV_IN_INTERRUPT=1, \result=0, __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}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [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, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 735 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 419 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 316 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 2 NumberOfNonLiveVariables, 673 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:50:13,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420c4071-f660-4d43-8d0f-c62269df124e/bin/uautomizer-verify-uCwYo4JHxu/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