./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl --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 e621fe5569ce23da8663d1ba84e0ea76474750cbbbe06c56ff4e5d6732ec9411 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:18:26,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:18:26,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:18:26,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:18:26,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:18:26,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:18:26,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:18:26,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:18:26,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:18:26,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:18:26,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:18:26,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:18:26,429 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:18:26,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:18:26,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:18:26,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:18:26,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:18:26,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:18:26,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:18:26,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:18:26,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:18:26,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:18:26,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:18:26,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:18:26,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:18:26,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:18:26,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:18:26,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:18:26,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:18:26,438 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:18:26,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:18:26,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:18:26,440 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:18:26,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:18:26,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:18:26,440 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:18:26,441 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_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e621fe5569ce23da8663d1ba84e0ea76474750cbbbe06c56ff4e5d6732ec9411 [2023-11-12 02:18:26,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:18:26,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:18:26,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:18:26,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:18:26,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:18:26,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2023-11-12 02:18:29,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:18:30,439 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:18:30,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2023-11-12 02:18:30,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data/30fb566eb/36f709b3fc4e4a5a9a3ca260a9f8a850/FLAGc4ae0c034 [2023-11-12 02:18:30,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data/30fb566eb/36f709b3fc4e4a5a9a3ca260a9f8a850 [2023-11-12 02:18:30,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:18:30,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:18:30,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:30,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:18:30,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:18:30,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:30" (1/1) ... [2023-11-12 02:18:30,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381292b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:30, skipping insertion in model container [2023-11-12 02:18:30,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:30" (1/1) ... [2023-11-12 02:18:30,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:18:31,491 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_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i[100586,100599] [2023-11-12 02:18:31,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:31,795 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:18:31,953 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)); [3095-3096] [2023-11-12 02:18:32,007 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_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i[100586,100599] [2023-11-12 02:18:32,009 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)); [3611-3612] [2023-11-12 02:18:32,010 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)); [3619-3620] [2023-11-12 02:18:32,011 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)); [3627-3628] [2023-11-12 02:18:32,066 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (151), "i" (12UL)); [3842-3843] [2023-11-12 02:18:32,078 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (205), "i" (12UL)); [3917-3918] [2023-11-12 02:18:32,176 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (495), "i" (12UL)); [4238-4239] [2023-11-12 02:18:32,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:32,274 WARN L672 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:18:32,274 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:18:32,282 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:18:32,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32 WrapperNode [2023-11-12 02:18:32,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:32,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:32,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:18:32,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:18:32,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,499 INFO L138 Inliner]: procedures = 155, calls = 555, calls flagged for inlining = 94, calls inlined = 94, statements flattened = 1961 [2023-11-12 02:18:32,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:32,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:18:32,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:18:32,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:18:32,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:18:32,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:18:32,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:18:32,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:18:32,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (1/1) ... [2023-11-12 02:18:32,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:18:32,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:32,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:32,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:18:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2023-11-12 02:18:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2023-11-12 02:18:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-12 02:18:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-12 02:18:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:18:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:18:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:18:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2023-11-12 02:18:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2023-11-12 02:18:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-12 02:18:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-12 02:18:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:18:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2023-11-12 02:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2023-11-12 02:18:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2023-11-12 02:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2023-11-12 02:18:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:18:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:18:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:18:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:18:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:18:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:18:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2023-11-12 02:18:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2023-11-12 02:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:18:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-12 02:18:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-12 02:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-12 02:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:18:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-12 02:18:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-12 02:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:18:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2023-11-12 02:18:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2023-11-12 02:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2023-11-12 02:18:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2023-11-12 02:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-12 02:18:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-12 02:18:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:18:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:18:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:18:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:18:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-12 02:18:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-12 02:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-12 02:18:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-12 02:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2023-11-12 02:18:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2023-11-12 02:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:18:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:18:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:18:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:18:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:18:33,321 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:18:33,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:18:34,022 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:18:34,132 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-12 02:18:35,051 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:18:35,063 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:18:35,064 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:18:35,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:35 BoogieIcfgContainer [2023-11-12 02:18:35,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:18:35,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:18:35,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:18:35,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:18:35,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:18:30" (1/3) ... [2023-11-12 02:18:35,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af905a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:35, skipping insertion in model container [2023-11-12 02:18:35,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:32" (2/3) ... [2023-11-12 02:18:35,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af905a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:35, skipping insertion in model container [2023-11-12 02:18:35,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:35" (3/3) ... [2023-11-12 02:18:35,077 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2023-11-12 02:18:35,097 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:18:35,097 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:18:35,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:18:35,178 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;@4734675b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:18:35,178 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:18:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 525 states, 410 states have (on average 1.351219512195122) internal successors, (554), 423 states have internal predecessors, (554), 88 states have call successors, (88), 27 states have call predecessors, (88), 25 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-12 02:18:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 02:18:35,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:35,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:35,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:35,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:35,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1417361526, now seen corresponding path program 1 times [2023-11-12 02:18:35,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:35,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782214541] [2023-11-12 02:18:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:35,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:35,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:35,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782214541] [2023-11-12 02:18:35,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782214541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:35,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:35,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:18:35,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114083480] [2023-11-12 02:18:35,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:35,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:18:35,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:35,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:18:35,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:18:35,963 INFO L87 Difference]: Start difference. First operand has 525 states, 410 states have (on average 1.351219512195122) internal successors, (554), 423 states have internal predecessors, (554), 88 states have call successors, (88), 27 states have call predecessors, (88), 25 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-12 02:18:37,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:37,503 INFO L93 Difference]: Finished difference Result 1476 states and 2086 transitions. [2023-11-12 02:18:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:18:37,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 24 [2023-11-12 02:18:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:37,538 INFO L225 Difference]: With dead ends: 1476 [2023-11-12 02:18:37,539 INFO L226 Difference]: Without dead ends: 922 [2023-11-12 02:18:37,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:18:37,559 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 765 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:37,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 1271 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-12 02:18:37,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2023-11-12 02:18:37,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 847. [2023-11-12 02:18:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 655 states have (on average 1.2732824427480915) internal successors, (834), 664 states have internal predecessors, (834), 148 states have call successors, (148), 44 states have call predecessors, (148), 43 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2023-11-12 02:18:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1128 transitions. [2023-11-12 02:18:37,718 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1128 transitions. Word has length 24 [2023-11-12 02:18:37,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:37,719 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1128 transitions. [2023-11-12 02:18:37,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-12 02:18:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1128 transitions. [2023-11-12 02:18:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 02:18:37,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:37,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:37,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:18:37,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:37,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:37,724 INFO L85 PathProgramCache]: Analyzing trace with hash -243833437, now seen corresponding path program 1 times [2023-11-12 02:18:37,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:37,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651471003] [2023-11-12 02:18:37,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:37,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:37,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:37,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651471003] [2023-11-12 02:18:37,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651471003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:37,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:37,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:18:37,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081472539] [2023-11-12 02:18:37,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:37,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:18:37,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:37,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:18:37,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:18:37,920 INFO L87 Difference]: Start difference. First operand 847 states and 1128 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-12 02:18:39,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:39,130 INFO L93 Difference]: Finished difference Result 1815 states and 2470 transitions. [2023-11-12 02:18:39,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:18:39,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 27 [2023-11-12 02:18:39,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:39,148 INFO L225 Difference]: With dead ends: 1815 [2023-11-12 02:18:39,148 INFO L226 Difference]: Without dead ends: 1806 [2023-11-12 02:18:39,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:18:39,151 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 741 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:39,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 1229 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-12 02:18:39,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2023-11-12 02:18:39,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1662. [2023-11-12 02:18:39,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1286 states have (on average 1.2721617418351479) internal successors, (1636), 1303 states have internal predecessors, (1636), 289 states have call successors, (289), 87 states have call predecessors, (289), 86 states have return successors, (287), 287 states have call predecessors, (287), 287 states have call successors, (287) [2023-11-12 02:18:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2212 transitions. [2023-11-12 02:18:39,319 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2212 transitions. Word has length 27 [2023-11-12 02:18:39,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:39,319 INFO L495 AbstractCegarLoop]: Abstraction has 1662 states and 2212 transitions. [2023-11-12 02:18:39,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-12 02:18:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2212 transitions. [2023-11-12 02:18:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-12 02:18:39,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:39,333 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:39,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:18:39,334 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:39,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:39,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1490384941, now seen corresponding path program 1 times [2023-11-12 02:18:39,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:39,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596704183] [2023-11-12 02:18:39,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:39,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:18:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:18:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:18:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:18:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:18:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 02:18:39,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:39,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596704183] [2023-11-12 02:18:39,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596704183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:39,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:39,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:18:39,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450841845] [2023-11-12 02:18:39,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:39,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:18:39,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:39,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:18:39,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:18:39,616 INFO L87 Difference]: Start difference. First operand 1662 states and 2212 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-12 02:18:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:41,246 INFO L93 Difference]: Finished difference Result 5661 states and 7743 transitions. [2023-11-12 02:18:41,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:18:41,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2023-11-12 02:18:41,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:41,292 INFO L225 Difference]: With dead ends: 5661 [2023-11-12 02:18:41,292 INFO L226 Difference]: Without dead ends: 4006 [2023-11-12 02:18:41,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:18:41,310 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 885 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:41,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 1603 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-12 02:18:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4006 states. [2023-11-12 02:18:41,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4006 to 3088. [2023-11-12 02:18:41,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 2380 states have (on average 1.269327731092437) internal successors, (3021), 2413 states have internal predecessors, (3021), 536 states have call successors, (536), 172 states have call predecessors, (536), 171 states have return successors, (534), 534 states have call predecessors, (534), 534 states have call successors, (534) [2023-11-12 02:18:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 4091 transitions. [2023-11-12 02:18:41,609 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 4091 transitions. Word has length 88 [2023-11-12 02:18:41,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:41,612 INFO L495 AbstractCegarLoop]: Abstraction has 3088 states and 4091 transitions. [2023-11-12 02:18:41,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-12 02:18:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 4091 transitions. [2023-11-12 02:18:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-12 02:18:41,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:41,624 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:41,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:18:41,624 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:41,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:41,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1244475931, now seen corresponding path program 1 times [2023-11-12 02:18:41,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:41,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337546075] [2023-11-12 02:18:41,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-12 02:18:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:18:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-12 02:18:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-12 02:18:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-12 02:18:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:18:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:18:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-12 02:18:42,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:42,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337546075] [2023-11-12 02:18:42,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337546075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:42,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:42,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:18:42,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971944262] [2023-11-12 02:18:42,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:42,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:18:42,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:42,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:18:42,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:18:42,070 INFO L87 Difference]: Start difference. First operand 3088 states and 4091 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:18:43,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:43,196 INFO L93 Difference]: Finished difference Result 7086 states and 9620 transitions. [2023-11-12 02:18:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:18:43,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 111 [2023-11-12 02:18:43,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:43,238 INFO L225 Difference]: With dead ends: 7086 [2023-11-12 02:18:43,238 INFO L226 Difference]: Without dead ends: 4009 [2023-11-12 02:18:43,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:18:43,254 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 302 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:43,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 1760 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:18:43,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4009 states. [2023-11-12 02:18:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4009 to 3091. [2023-11-12 02:18:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3091 states, 2383 states have (on average 1.26814939152329) internal successors, (3022), 2416 states have internal predecessors, (3022), 536 states have call successors, (536), 172 states have call predecessors, (536), 171 states have return successors, (534), 534 states have call predecessors, (534), 534 states have call successors, (534) [2023-11-12 02:18:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 3091 states and 4092 transitions. [2023-11-12 02:18:43,467 INFO L78 Accepts]: Start accepts. Automaton has 3091 states and 4092 transitions. Word has length 111 [2023-11-12 02:18:43,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:43,470 INFO L495 AbstractCegarLoop]: Abstraction has 3091 states and 4092 transitions. [2023-11-12 02:18:43,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:18:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 4092 transitions. [2023-11-12 02:18:43,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-12 02:18:43,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:43,483 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:43,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:18:43,483 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:43,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1361700741, now seen corresponding path program 1 times [2023-11-12 02:18:43,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:43,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018873121] [2023-11-12 02:18:43,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:43,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:18:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:18:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:18:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-12 02:18:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:18:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:18:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:18:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-12 02:18:44,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:44,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018873121] [2023-11-12 02:18:44,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018873121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:44,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:44,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:18:44,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097411401] [2023-11-12 02:18:44,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:44,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:18:44,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:44,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:18:44,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:18:44,159 INFO L87 Difference]: Start difference. First operand 3091 states and 4092 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:18:45,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:45,588 INFO L93 Difference]: Finished difference Result 7079 states and 9604 transitions. [2023-11-12 02:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:18:45,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 112 [2023-11-12 02:18:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:45,632 INFO L225 Difference]: With dead ends: 7079 [2023-11-12 02:18:45,632 INFO L226 Difference]: Without dead ends: 4001 [2023-11-12 02:18:45,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:18:45,649 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 188 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 2459 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:45,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 2459 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-12 02:18:45,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2023-11-12 02:18:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 3095. [2023-11-12 02:18:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 2385 states have (on average 1.2679245283018867) internal successors, (3024), 2420 states have internal predecessors, (3024), 536 states have call successors, (536), 172 states have call predecessors, (536), 173 states have return successors, (550), 534 states have call predecessors, (550), 534 states have call successors, (550) [2023-11-12 02:18:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4110 transitions. [2023-11-12 02:18:45,897 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4110 transitions. Word has length 112 [2023-11-12 02:18:45,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:45,899 INFO L495 AbstractCegarLoop]: Abstraction has 3095 states and 4110 transitions. [2023-11-12 02:18:45,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-12 02:18:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4110 transitions. [2023-11-12 02:18:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:18:45,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:45,907 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:45,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:18:45,907 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:45,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:45,908 INFO L85 PathProgramCache]: Analyzing trace with hash -130896580, now seen corresponding path program 1 times [2023-11-12 02:18:45,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:45,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169952140] [2023-11-12 02:18:45,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:45,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:18:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:18:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:18:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-12 02:18:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:18:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:18:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:18:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:18:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-12 02:18:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-12 02:18:46,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:46,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169952140] [2023-11-12 02:18:46,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169952140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:46,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:46,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:18:46,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857838355] [2023-11-12 02:18:46,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:46,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:18:46,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:46,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:18:46,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:18:46,462 INFO L87 Difference]: Start difference. First operand 3095 states and 4110 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:18:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:47,468 INFO L93 Difference]: Finished difference Result 7081 states and 9619 transitions. [2023-11-12 02:18:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:18:47,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2023-11-12 02:18:47,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:47,502 INFO L225 Difference]: With dead ends: 7081 [2023-11-12 02:18:47,502 INFO L226 Difference]: Without dead ends: 4002 [2023-11-12 02:18:47,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:18:47,519 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 290 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:47,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1328 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:18:47,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4002 states. [2023-11-12 02:18:47,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4002 to 3096. [2023-11-12 02:18:47,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 2386 states have (on average 1.2678122380553227) internal successors, (3025), 2421 states have internal predecessors, (3025), 536 states have call successors, (536), 172 states have call predecessors, (536), 173 states have return successors, (550), 534 states have call predecessors, (550), 534 states have call successors, (550) [2023-11-12 02:18:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 4111 transitions. [2023-11-12 02:18:47,728 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 4111 transitions. Word has length 128 [2023-11-12 02:18:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:47,731 INFO L495 AbstractCegarLoop]: Abstraction has 3096 states and 4111 transitions. [2023-11-12 02:18:47,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:18:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 4111 transitions. [2023-11-12 02:18:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-12 02:18:47,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:47,739 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:47,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:18:47,740 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:47,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:47,741 INFO L85 PathProgramCache]: Analyzing trace with hash -30517112, now seen corresponding path program 1 times [2023-11-12 02:18:47,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:47,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386988636] [2023-11-12 02:18:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:47,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:18:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:18:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:18:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:18:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:18:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:18:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:18:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:18:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-12 02:18:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-12 02:18:48,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:48,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386988636] [2023-11-12 02:18:48,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386988636] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:18:48,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27411290] [2023-11-12 02:18:48,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:48,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:48,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:48,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:48,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:18:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:18:48,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-12 02:18:48,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:18:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-12 02:18:49,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27411290] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:18:49,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:18:49,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2023-11-12 02:18:49,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281553110] [2023-11-12 02:18:49,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:18:49,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:18:49,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:49,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:18:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:18:49,067 INFO L87 Difference]: Start difference. First operand 3096 states and 4111 transitions. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 7 states have internal predecessors, (104), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 02:18:50,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:50,628 INFO L93 Difference]: Finished difference Result 7084 states and 9624 transitions. [2023-11-12 02:18:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:18:50,629 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 7 states have internal predecessors, (104), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 129 [2023-11-12 02:18:50,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:50,673 INFO L225 Difference]: With dead ends: 7084 [2023-11-12 02:18:50,673 INFO L226 Difference]: Without dead ends: 4005 [2023-11-12 02:18:50,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:18:50,687 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 188 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:50,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 2474 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 02:18:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4005 states. [2023-11-12 02:18:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4005 to 3099. [2023-11-12 02:18:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 2389 states have (on average 1.26747593135203) internal successors, (3028), 2424 states have internal predecessors, (3028), 536 states have call successors, (536), 172 states have call predecessors, (536), 173 states have return successors, (550), 534 states have call predecessors, (550), 534 states have call successors, (550) [2023-11-12 02:18:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4114 transitions. [2023-11-12 02:18:50,891 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4114 transitions. Word has length 129 [2023-11-12 02:18:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:50,892 INFO L495 AbstractCegarLoop]: Abstraction has 3099 states and 4114 transitions. [2023-11-12 02:18:50,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 7 states have internal predecessors, (104), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 02:18:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4114 transitions. [2023-11-12 02:18:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 02:18:50,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:50,900 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:50,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:51,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:51,108 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:51,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:51,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1869160508, now seen corresponding path program 2 times [2023-11-12 02:18:51,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:51,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626402488] [2023-11-12 02:18:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:51,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:51,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:51,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:51,494 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:18:51,495 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:18:51,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:18:51,501 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:51,506 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:18:51,617 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,619 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,621 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,621 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,623 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,623 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,625 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,625 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,625 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,630 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret396 [2023-11-12 02:18:51,631 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,632 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,632 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,633 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,633 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,634 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,634 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,635 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,636 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,636 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,637 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,637 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,637 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,640 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,643 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,643 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,644 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,644 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,645 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,645 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,647 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,647 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,648 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,648 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret394 [2023-11-12 02:18:51,648 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,649 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,649 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,652 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,652 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,653 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,653 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,653 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,653 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,654 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,654 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,655 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,655 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,655 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,656 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,656 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret393 [2023-11-12 02:18:51,656 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,656 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,657 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,657 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,657 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,657 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,658 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,659 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,659 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,660 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,660 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,660 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,661 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,661 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,661 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,663 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated [2023-11-12 02:18:51,663 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,664 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,664 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,664 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,665 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,667 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,668 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,668 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,669 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,669 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret426 [2023-11-12 02:18:51,669 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,669 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,670 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,670 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,670 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,671 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,672 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,672 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,673 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,673 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,673 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,674 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,674 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret414 could not be translated [2023-11-12 02:18:51,675 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,675 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,675 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,676 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,676 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,676 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated [2023-11-12 02:18:51,676 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,678 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,678 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,678 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,680 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,680 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,681 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,681 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,681 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,684 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,684 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,685 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,685 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,685 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,686 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,686 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,686 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,686 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,687 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,687 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,687 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,687 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,688 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret135 could not be translated [2023-11-12 02:18:51,688 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,688 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,688 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,689 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,689 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,689 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,689 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret135 could not be translated [2023-11-12 02:18:51,690 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,690 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,690 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,691 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,691 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,691 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret419 [2023-11-12 02:18:51,691 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,692 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,692 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,692 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,692 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,693 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,693 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,693 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,693 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,693 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,694 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,694 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,694 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret417 could not be translated [2023-11-12 02:18:51,694 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,695 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,695 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,695 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,695 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,696 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,696 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,696 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,696 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,697 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,697 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,697 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,697 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,698 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,698 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,698 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,698 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,700 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,700 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret414 could not be translated [2023-11-12 02:18:51,700 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,700 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,701 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,701 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret266 could not be translated [2023-11-12 02:18:51,701 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,701 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,702 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,702 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,702 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,702 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,703 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,703 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,703 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,704 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,704 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,704 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,704 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated [2023-11-12 02:18:51,705 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,705 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,705 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,705 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,705 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,706 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,706 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,706 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,706 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated [2023-11-12 02:18:51,707 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,707 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,708 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated [2023-11-12 02:18:51,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,712 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,712 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,712 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated [2023-11-12 02:18:51,712 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated [2023-11-12 02:18:51,713 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated [2023-11-12 02:18:51,713 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,713 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,713 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-11-12 02:18:51,714 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,714 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,714 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,714 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-12 02:18:51,715 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-12 02:18:51,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:18:51 BoogieIcfgContainer [2023-11-12 02:18:51,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:18:51,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:18:51,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:18:51,778 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:18:51,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:35" (3/4) ... [2023-11-12 02:18:51,780 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:18:51,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:18:51,782 INFO L158 Benchmark]: Toolchain (without parser) took 21287.70ms. Allocated memory was 151.0MB in the beginning and 398.5MB in the end (delta: 247.5MB). Free memory was 114.6MB in the beginning and 310.1MB in the end (delta: -195.4MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-12 02:18:51,783 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:18:51,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1788.05ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 70.7MB in the end (delta: 44.0MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2023-11-12 02:18:51,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.86ms. Allocated memory is still 151.0MB. Free memory was 70.5MB in the beginning and 58.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:18:51,784 INFO L158 Benchmark]: Boogie Preprocessor took 266.51ms. Allocated memory is still 151.0MB. Free memory was 58.1MB in the beginning and 94.7MB in the end (delta: -36.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-12 02:18:51,785 INFO L158 Benchmark]: RCFGBuilder took 2299.02ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 94.7MB in the beginning and 128.6MB in the end (delta: -33.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2023-11-12 02:18:51,785 INFO L158 Benchmark]: TraceAbstraction took 16706.19ms. Allocated memory was 228.6MB in the beginning and 398.5MB in the end (delta: 169.9MB). Free memory was 127.5MB in the beginning and 310.1MB in the end (delta: -182.5MB). Peak memory consumption was 212.8MB. Max. memory is 16.1GB. [2023-11-12 02:18:51,785 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 398.5MB. Free memory is still 310.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:18:51,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1788.05ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 70.7MB in the end (delta: 44.0MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.86ms. Allocated memory is still 151.0MB. Free memory was 70.5MB in the beginning and 58.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 266.51ms. Allocated memory is still 151.0MB. Free memory was 58.1MB in the beginning and 94.7MB in the end (delta: -36.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2299.02ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 94.7MB in the beginning and 128.6MB in the end (delta: -33.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * TraceAbstraction took 16706.19ms. Allocated memory was 228.6MB in the beginning and 398.5MB in the end (delta: 169.9MB). Free memory was 127.5MB in the beginning and 310.1MB in the end (delta: -182.5MB). Peak memory consumption was 212.8MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 398.5MB. Free memory is still 310.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3095]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3095-3096] - GenericResultAtLocation [Line: 3611]: 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)); [3611-3612] - GenericResultAtLocation [Line: 3619]: 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)); [3619-3620] - GenericResultAtLocation [Line: 3627]: 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)); [3627-3628] - GenericResultAtLocation [Line: 3842]: 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (151), "i" (12UL)); [3842-3843] - GenericResultAtLocation [Line: 3917]: 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (205), "i" (12UL)); [3917-3918] - GenericResultAtLocation [Line: 4238]: 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (495), "i" (12UL)); [4238-4239] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__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~ret396 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - 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 #t~ret394 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret393 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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~switch405 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch405 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~ret426 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret414 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 #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!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~ret135 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret135 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 #Ultimate.C_memset_#res#1 - 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~ret419 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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: IdentifierExpression #t~ret417 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret414 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret266 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - 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~switch405 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 #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch405 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 #Ultimate.C_memset_#res#1 - 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~switch400 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch408 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch405 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3569]: 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 4260. Possible FailurePath: [L3592] int LDV_IN_INTERRUPT = 1; [L3593] struct block_device *virtblk_fops_group0 ; [L3594] int ldv_state_variable_2 ; [L3595] int ref_cnt ; [L3596] int ldv_state_variable_1 ; [L3597] struct virtio_device *virtio_blk_group0 ; [L3598] int ldv_state_variable_0 ; [L3729] static int major ; [L3730] static int index ; [L4055-L4056] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4254-L4255] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4256-L4259] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4260-L4261] 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}; [L4283] struct virtio_device_id const __mod_virtio_device_table ; [L4284] int ldv_retval_0 ; [L4285] int ldv_retval_1 ; [L4522] int ldv_blk_rq = 0; VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4308] unsigned long ldvarg1 ; [L4309] unsigned long tmp ; [L4310] fmode_t ldvarg3 ; [L4311] struct hd_geometry *ldvarg0 ; [L4312] void *tmp___0 ; [L4313] unsigned int ldvarg2 ; [L4314] unsigned int tmp___1 ; [L4315] int tmp___2 ; [L4316] int tmp___3 ; [L4317] int tmp___4 ; [L4318] int tmp___5 ; [L4320] tmp = __VERIFIER_nondet_ulong() [L4321] ldvarg1 = tmp VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=18446744073709551613, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4322] CALL, EXPR ldv_zalloc(16UL) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3533] void *p ; [L3534] void *tmp ; [L3535] int tmp___0 ; [L3537] tmp___0 = __VERIFIER_nondet_int() [L3538] COND TRUE tmp___0 != 0 [L3539] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=16, \result={0:0}, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, size=16, tmp___0=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4322] RET, EXPR ldv_zalloc(16UL) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=18446744073709551613, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4322] tmp___0 = ldv_zalloc(16UL) [L4323] ldvarg0 = (struct hd_geometry *)tmp___0 [L4324] tmp___1 = __VERIFIER_nondet_uint() [L4325] ldvarg2 = tmp___1 [L4326] FCALL ldv_initialize() [L4327] FCALL memset((void *)(& ldvarg3), 0, 4UL) [L4328] ldv_state_variable_1 = 0 [L4329] ref_cnt = 0 [L4330] ldv_state_variable_0 = 1 [L4331] ldv_state_variable_2 = 0 VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4333] tmp___2 = __VERIFIER_nondet_int() [L4335] case 0: [L4365] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4366] COND TRUE ldv_state_variable_0 != 0 [L4367] tmp___4 = __VERIFIER_nondet_int() [L4369] case 0: [L4377] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=1, tmp___4=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4378] COND TRUE ldv_state_variable_0 == 1 [L4379] CALL, EXPR init() [L4264] int tmp ; [L4266] CALL, EXPR register_blkdev(0U, "virtblk") [L4722] return __VERIFIER_nondet_int(); [L4266] RET, EXPR register_blkdev(0U, "virtblk") [L4266] major = register_blkdev(0U, "virtblk") [L4267] COND FALSE !(major < 0) [L4271] CALL, EXPR register_virtio_driver(& virtio_blk) [L4726] return __VERIFIER_nondet_int(); [L4271] RET, EXPR register_virtio_driver(& virtio_blk) [L4271] tmp = register_virtio_driver(& virtio_blk) [L4272] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, tmp=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4379] RET, EXPR init() [L4379] ldv_retval_1 = init() [L4380] COND TRUE ldv_retval_1 == 0 [L4381] ldv_state_variable_0 = 3 [L4382] ldv_state_variable_2 = 1 [L4383] CALL ldv_initialize_block_device_operations_2() [L4299] void *tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4301] CALL, EXPR ldv_zalloc(464UL) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3533] void *p ; [L3534] void *tmp ; [L3535] int tmp___0 ; [L3537] tmp___0 = __VERIFIER_nondet_int() [L3538] COND TRUE tmp___0 != 0 [L3539] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=464, \result={0:0}, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, size=464, tmp___0=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4301] RET, EXPR ldv_zalloc(464UL) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4301] tmp = ldv_zalloc(464UL) [L4302] virtblk_fops_group0 = (struct block_device *)tmp VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={0:0}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4383] RET ldv_initialize_block_device_operations_2() [L4384] ldv_state_variable_1 = 1 [L4385] CALL ldv_initialize_virtio_driver_1() [L4290] void *tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4292] CALL, EXPR ldv_zalloc(1048UL) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3533] void *p ; [L3534] void *tmp ; [L3535] int tmp___0 ; [L3537] tmp___0 = __VERIFIER_nondet_int() [L3538] COND TRUE tmp___0 != 0 [L3539] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=1048, \result={0:0}, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=1048, tmp___0=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4292] RET, EXPR ldv_zalloc(1048UL) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4292] tmp = ldv_zalloc(1048UL) [L4293] virtio_blk_group0 = (struct virtio_device *)tmp VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={0:0}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4385] RET ldv_initialize_virtio_driver_1() [L4388] COND FALSE !(ldv_retval_1 != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=1, tmp___4=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4333] tmp___2 = __VERIFIER_nondet_int() [L4335] case 0: [L4365] case 1: [L4403] case 2: VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=2, tmp___4=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4404] COND TRUE ldv_state_variable_2 != 0 [L4405] tmp___5 = __VERIFIER_nondet_int() [L4407] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=2, tmp___4=1, tmp___5=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4408] COND TRUE ldv_state_variable_2 == 1 [L4409] EXPR \read(ldvarg3) [L4409] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3993] struct gendisk *disk ; [L3994] struct virtio_blk *vblk ; [L3995] void *usr_data ; [L3996] char id_str[20U] ; [L3997] int err ; [L3998] int tmp ; [L3999] bool tmp___0 ; [L4000] int tmp___1 ; [L4001] int tmp___2 ; [L4003] EXPR bdev->bd_disk [L4003] disk = bdev->bd_disk [L4004] EXPR disk->private_data [L4004] vblk = (struct virtio_blk *)disk->private_data [L4005] COND TRUE cmd == 1447184708U [L4006] usr_data = (void *)data [L4007] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3960] struct virtio_blk *vblk ; [L3961] struct request *req ; [L3962] struct bio *bio ; [L3963] long tmp ; [L3964] long tmp___0 ; [L3965] long tmp___1 ; [L3966] long tmp___2 ; [L3967] int tmp___3 ; [L3969] EXPR disk->private_data [L3969] vblk = (struct virtio_blk *)disk->private_data [L3970] EXPR vblk->disk [L3970] EXPR (vblk->disk)->queue [L3970] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4624] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(size)=112, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3515] void *p ; [L3516] void *tmp ; [L3517] int tmp___0 ; [L3519] tmp___0 = __VERIFIER_nondet_int() [L3520] COND TRUE tmp___0 != 0 [L3521] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=112, \result={0:0}, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=112, tmp___0=1, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4624] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=20, \old(arg3)=208, __this_module={18446744073709551615:18446744073709551620}, arg0={18446744073709551622:18446744073709551617}, arg0={18446744073709551622:18446744073709551617}, arg1={17:0}, arg1={17:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4624] return ldv_malloc(sizeof(struct bio)); [L3970] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3970] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3971] CALL, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4456] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4458] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4481] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4458] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4458] tmp = ldv_is_err(ptr) [L4459] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, tmp=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3971] RET, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, bio={0:0}, disk={18446744073709551614:0}, disk={18446744073709551614:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, vblk={18446744073709551618:-2}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3971] tmp___0 = IS_ERR((void const *)bio) [L3972] COND FALSE !(tmp___0 != 0L) [L3977] EXPR vblk->disk [L3977] EXPR (vblk->disk)->queue [L3977] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4465] struct request *tmp ; [L4467] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4548] struct request *res ; [L4549] long tmp___0 ; VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4551] COND TRUE ldv_blk_rq == 0 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4555] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3515] void *p ; [L3516] void *tmp ; [L3517] int tmp___0 ; [L3519] tmp___0 = __VERIFIER_nondet_int() [L3520] COND FALSE !(tmp___0 != 0) [L3523] tmp = malloc(size) [L3524] p = tmp VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3525] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3510] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={18446744073709551615:18446744073709551620}, cond=1, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3525] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3526] CALL, EXPR ldv_is_err(p) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4481] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3526] RET, EXPR ldv_is_err(p) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3526] CALL assume_abort_if_not(ldv_is_err(p) == 0) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3510] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={18446744073709551615:18446744073709551620}, cond=1, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3526] RET assume_abort_if_not(ldv_is_err(p) == 0) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3527] return (p); VAL [LDV_IN_INTERRUPT=1, \old(size)=322, \result={-18446744073709551615:0}, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4555] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4555] res = ldv_malloc(sizeof(struct request)) [L4556] COND TRUE (unsigned long )res != (unsigned long )((void *)0) VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709551615:0}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4560] CALL, EXPR IS_ERR___0(res) [L4516] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4518] CALL, EXPR ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) VAL [LDV_IN_INTERRUPT=1, \old(c)=0, \old(exp)=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3582] return (exp); VAL [LDV_IN_INTERRUPT=1, \old(c)=0, \old(exp)=0, \result=0, __this_module={18446744073709551615:18446744073709551620}, c=0, exp=0, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4518] RET, EXPR ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4518] tmp = ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) [L4519] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, tmp=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4560] RET, EXPR IS_ERR___0(res) [L4560] tmp___0 = IS_ERR___0(res) [L4561] COND FALSE !(\read(tmp___0)) [L4563] ldv_blk_rq = 1 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709551615:0}, tmp___0=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4565] return (res); VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, \result={-18446744073709551615:0}, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709551615:0}, tmp___0=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4467] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4467] tmp = ldv_blk_make_request(ldv_func_arg3) [L4468] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(ldv_func_arg3)=208, \result={-18446744073709551615:0}, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={18446744073709551622:18446744073709551617}, ldv_func_arg1={18446744073709551622:18446744073709551617}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={-18446744073709551615:0}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3977] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3977] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3978] CALL, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4456] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4458] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4481] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4458] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4458] tmp = ldv_is_err(ptr) [L4459] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, tmp=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3978] RET, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, bio={0:0}, disk={18446744073709551614:0}, disk={18446744073709551614:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709551615:0}, tmp___0=0, vblk={18446744073709551618:-2}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3978] tmp___2 = IS_ERR((void const *)req) [L3979] COND FALSE !(tmp___2 != 0L) [L3985] req->cmd_type = 7 [L3986] EXPR vblk->disk [L3986] EXPR (vblk->disk)->queue [L3986] EXPR vblk->disk [L3986] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4634] return __VERIFIER_nondet_int(); [L3986] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3986] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3987] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \result=1, __this_module={18446744073709551615:18446744073709551620}, bio={0:0}, disk={18446744073709551614:0}, disk={18446744073709551614:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709551615:0}, tmp___0=0, tmp___2=0, tmp___3=1, vblk={18446744073709551618:-2}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4007] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L4007] err = virtblk_get_id(disk, (char *)(& id_str)) [L4008] COND FALSE !(err == 0) VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=18446744073709551613, \old(mode)=0, __this_module={18446744073709551615:18446744073709551620}, bdev={0:0}, bdev={0:0}, cmd=1447184708, data=18446744073709551613, disk={18446744073709551614:0}, err=1, features={14:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:-3}, vblk={18446744073709551618:-2}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4016] return (err); [L4016] return (err); VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=18446744073709551613, \old(mode)=0, \result=1, __this_module={18446744073709551615:18446744073709551620}, bdev={0:0}, bdev={0:0}, cmd=1447184708, data=18446744073709551613, disk={18446744073709551614:0}, err=1, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:-3}, vblk={18446744073709551618:-2}, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4409] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4410] ldv_state_variable_2 = 1 VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=2, tmp___4=1, tmp___5=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4333] tmp___2 = __VERIFIER_nondet_int() [L4335] case 0: [L4365] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=1, tmp___4=1, tmp___5=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4366] COND TRUE ldv_state_variable_0 != 0 [L4367] tmp___4 = __VERIFIER_nondet_int() [L4369] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=1, tmp___4=0, tmp___5=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4370] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4371] CALL fini() [L4278] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4279] FCALL unregister_virtio_driver(& virtio_blk) [L4371] RET fini() [L4372] ldv_state_variable_0 = 2 VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=18446744073709551613, ldvarg2=1447184708, ldvarg3={18:0}, major=0, ref_cnt=0, tmp=18446744073709551613, tmp___0={0:0}, tmp___1=1447184708, tmp___2=1, tmp___4=0, tmp___5=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4434] CALL ldv_check_final_state() [L4582] COND FALSE !(ldv_blk_rq == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L4584] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] [L3569] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551615:18446744073709551620}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={12:0}, virtblk_fops_group0={0:0}, virtio_blk={15:0}, virtio_blk_group0={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 527 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.4s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3652 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3359 mSDsluCounter, 12124 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8649 mSDsCounter, 1309 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3872 IncrementalHoareTripleChecker+Invalid, 5181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1309 mSolverCounterUnsat, 3475 mSDtfsCounter, 3872 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3099occurred in iteration=7, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 4773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 880 NumberOfCodeBlocks, 880 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 868 ConstructedInterpolants, 0 QuantifiedInterpolants, 1206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1039 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 265/268 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 [2023-11-12 02:18:51,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl --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 e621fe5569ce23da8663d1ba84e0ea76474750cbbbe06c56ff4e5d6732ec9411 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:18:54,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:18:54,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-12 02:18:54,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:18:54,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:18:54,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:18:54,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:18:54,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:18:54,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:18:54,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:18:54,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:18:54,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:18:54,785 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:18:54,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:18:54,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:18:54,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:18:54,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:18:54,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:18:54,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:18:54,789 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:18:54,789 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:18:54,790 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:18:54,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:18:54,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:18:54,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:18:54,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:18:54,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:18:54,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:18:54,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:18:54,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:18:54,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:18:54,794 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:18:54,795 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:18:54,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:18:54,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:18:54,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:18:54,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:18:54,796 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:18:54,796 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:18:54,797 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_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e621fe5569ce23da8663d1ba84e0ea76474750cbbbe06c56ff4e5d6732ec9411 [2023-11-12 02:18:55,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:18:55,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:18:55,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:18:55,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:18:55,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:18:55,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2023-11-12 02:18:58,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:18:58,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:18:58,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2023-11-12 02:18:58,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data/3893176c5/7521e7b253924beab267fa72d3be1759/FLAG06bd62f17 [2023-11-12 02:18:58,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/data/3893176c5/7521e7b253924beab267fa72d3be1759 [2023-11-12 02:18:58,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:18:58,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:18:58,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:58,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:18:58,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:18:58,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:58" (1/1) ... [2023-11-12 02:18:58,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b7cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:58, skipping insertion in model container [2023-11-12 02:18:58,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:58" (1/1) ... [2023-11-12 02:18:59,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:18:59,812 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_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i[100586,100599] [2023-11-12 02:19:00,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:00,051 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:19:00,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:00,188 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_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i[100586,100599] [2023-11-12 02:19:00,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:00,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:00,466 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)); [3095-3096] [2023-11-12 02:19:00,519 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_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i[100586,100599] [2023-11-12 02:19:00,528 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)); [3611-3612] [2023-11-12 02:19:00,529 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)); [3619-3620] [2023-11-12 02:19:00,530 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)); [3627-3628] [2023-11-12 02:19:00,576 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (151), "i" (12UL)); [3842-3843] [2023-11-12 02:19:00,587 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (205), "i" (12UL)); [3917-3918] [2023-11-12 02:19:00,672 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 *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-011--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.o.c.prepared"), "i" (495), "i" (12UL)); [4238-4239] [2023-11-12 02:19:00,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:00,736 WARN L672 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:00,736 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:00,744 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:00,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00 WrapperNode [2023-11-12 02:19:00,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:00,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:00,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:00,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:00,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:00,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:00,922 INFO L138 Inliner]: procedures = 162, calls = 555, calls flagged for inlining = 94, calls inlined = 94, statements flattened = 1866 [2023-11-12 02:19:00,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:00,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:00,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:00,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:00,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:00,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:00,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:00,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:01,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:01,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:01,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:01,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:01,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:01,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:01,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:01,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:01,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (1/1) ... [2023-11-12 02:19:01,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:01,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:01,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:01,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2023-11-12 02:19:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2023-11-12 02:19:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-12 02:19:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-12 02:19:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:19:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-12 02:19:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-12 02:19:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-12 02:19:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:19:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:19:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-12 02:19:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-12 02:19:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2023-11-12 02:19:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2023-11-12 02:19:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:19:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:19:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2023-11-12 02:19:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2023-11-12 02:19:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2023-11-12 02:19:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2023-11-12 02:19:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:19:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:19:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:19:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:19:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:19:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:19:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2023-11-12 02:19:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2023-11-12 02:19:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:19:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:19:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:19:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-12 02:19:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-12 02:19:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-12 02:19:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:19:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:19:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-12 02:19:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-12 02:19:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:19:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:19:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:19:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:19:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:19:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2023-11-12 02:19:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2023-11-12 02:19:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2023-11-12 02:19:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2023-11-12 02:19:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:19:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-12 02:19:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-12 02:19:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:19:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:19:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:19:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:19:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-12 02:19:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-12 02:19:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-12 02:19:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:19:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:19:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:19:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-12 02:19:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-12 02:19:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:19:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 02:19:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-12 02:19:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-12 02:19:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2023-11-12 02:19:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2023-11-12 02:19:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:19:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:19:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:19:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:19:01,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:01,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:06,242 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:19:06,380 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-12 02:19:09,803 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:09,823 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:09,824 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:19:09,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:09 BoogieIcfgContainer [2023-11-12 02:19:09,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:09,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:19:09,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:19:09,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:19:09,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:18:58" (1/3) ... [2023-11-12 02:19:09,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d32099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:09, skipping insertion in model container [2023-11-12 02:19:09,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:00" (2/3) ... [2023-11-12 02:19:09,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d32099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:09, skipping insertion in model container [2023-11-12 02:19:09,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:09" (3/3) ... [2023-11-12 02:19:09,839 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2023-11-12 02:19:09,859 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:19:09,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:19:09,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:09,951 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;@6455caa6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:09,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:19:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 512 states, 397 states have (on average 1.3425692695214106) internal successors, (533), 410 states have internal predecessors, (533), 88 states have call successors, (88), 27 states have call predecessors, (88), 25 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-12 02:19:09,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 02:19:09,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:09,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:09,979 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:09,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:09,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1814936146, now seen corresponding path program 1 times [2023-11-12 02:19:10,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:19:10,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787873336] [2023-11-12 02:19:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:10,007 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 [2023-11-12 02:19:10,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:19:10,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:19:10,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:19:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:10,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:19:10,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:10,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:19:10,540 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:19:10,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787873336] [2023-11-12 02:19:10,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787873336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:10,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:10,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:19:10,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978399900] [2023-11-12 02:19:10,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:10,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:19:10,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:19:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:19:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:10,582 INFO L87 Difference]: Start difference. First operand has 512 states, 397 states have (on average 1.3425692695214106) internal successors, (533), 410 states have internal predecessors, (533), 88 states have call successors, (88), 27 states have call predecessors, (88), 25 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-12 02:19:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:10,731 INFO L93 Difference]: Finished difference Result 960 states and 1330 transitions. [2023-11-12 02:19:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:19:10,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 24 [2023-11-12 02:19:10,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:10,751 INFO L225 Difference]: With dead ends: 960 [2023-11-12 02:19:10,752 INFO L226 Difference]: Without dead ends: 434 [2023-11-12 02:19:10,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:10,768 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 0 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:10,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1199 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:19:10,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-11-12 02:19:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2023-11-12 02:19:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 333 states have (on average 1.2642642642642643) internal successors, (421), 338 states have internal predecessors, (421), 78 states have call successors, (78), 23 states have call predecessors, (78), 22 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-12 02:19:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 575 transitions. [2023-11-12 02:19:10,913 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 575 transitions. Word has length 24 [2023-11-12 02:19:10,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:10,915 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 575 transitions. [2023-11-12 02:19:10,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-12 02:19:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 575 transitions. [2023-11-12 02:19:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 02:19:10,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:10,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:10,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:19:11,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:19:11,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:11,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:11,135 INFO L85 PathProgramCache]: Analyzing trace with hash -531384451, now seen corresponding path program 1 times [2023-11-12 02:19:11,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:19:11,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848708557] [2023-11-12 02:19:11,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:11,136 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 [2023-11-12 02:19:11,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:19:11,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:19:11,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:19:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:11,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:19:11,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:11,709 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:19:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:11,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:19:11,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848708557] [2023-11-12 02:19:11,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [848708557] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:19:11,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:19:11,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-11-12 02:19:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634963053] [2023-11-12 02:19:11,836 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:19:11,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:19:11,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:19:11,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:19:11,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:19:11,839 INFO L87 Difference]: Start difference. First operand 434 states and 575 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2023-11-12 02:19:12,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:12,063 INFO L93 Difference]: Finished difference Result 864 states and 1147 transitions. [2023-11-12 02:19:12,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:19:12,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2023-11-12 02:19:12,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:12,072 INFO L225 Difference]: With dead ends: 864 [2023-11-12 02:19:12,072 INFO L226 Difference]: Without dead ends: 437 [2023-11-12 02:19:12,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:19:12,076 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 0 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:12,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1713 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:19:12,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-11-12 02:19:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2023-11-12 02:19:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 336 states have (on average 1.2619047619047619) internal successors, (424), 341 states have internal predecessors, (424), 78 states have call successors, (78), 23 states have call predecessors, (78), 22 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-12 02:19:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 578 transitions. [2023-11-12 02:19:12,127 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 578 transitions. Word has length 25 [2023-11-12 02:19:12,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:12,127 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 578 transitions. [2023-11-12 02:19:12,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2023-11-12 02:19:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 578 transitions. [2023-11-12 02:19:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 02:19:12,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:12,137 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:12,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:19:12,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:19:12,349 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:12,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:12,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1636286830, now seen corresponding path program 2 times [2023-11-12 02:19:12,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:19:12,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177710090] [2023-11-12 02:19:12,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:19:12,351 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 [2023-11-12 02:19:12,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:19:12,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:19:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56485e3e-4ceb-4208-a5bc-cd0f9f1d863b/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:19:12,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-12 02:19:12,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:19:12,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:19:12,784 INFO L285 TraceCheckSpWp]: Computing forward predicates...