./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:53:31,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:31,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:53:31,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:53:31,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:53:31,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:31,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:31,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:31,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:31,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:31,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:31,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:31,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:53:31,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:31,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:31,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:31,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:31,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:31,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:31,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:31,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:31,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:31,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:31,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:31,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:31,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:31,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:53:31,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:53:31,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:31,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2023-11-11 23:53:31,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:31,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:31,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:31,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:31,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:31,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-11 23:53:34,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:35,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:35,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-11 23:53:35,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data/459d064ff/852b7a224e6b4a288a35ed57a2f64572/FLAG11cb848c6 [2023-11-11 23:53:35,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data/459d064ff/852b7a224e6b4a288a35ed57a2f64572 [2023-11-11 23:53:35,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:35,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:35,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:35,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:35,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:35,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:35" (1/1) ... [2023-11-11 23:53:35,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e487e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:35, skipping insertion in model container [2023-11-11 23:53:35,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:35" (1/1) ... [2023-11-11 23:53:35,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:36,854 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_d51d989a-3a3e-498c-a873-86491c4462e2/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-11 23:53:36,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:36,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:37,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] [2023-11-11 23:53:37,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] [2023-11-11 23:53:37,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] [2023-11-11 23:53:37,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] [2023-11-11 23:53:37,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] [2023-11-11 23:53:37,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] [2023-11-11 23:53:37,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] [2023-11-11 23:53:37,281 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_d51d989a-3a3e-498c-a873-86491c4462e2/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-11 23:53:37,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:37,394 WARN L672 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:37,394 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:37,404 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:37,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37 WrapperNode [2023-11-11 23:53:37,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:37,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:37,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:37,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:37,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,577 INFO L138 Inliner]: procedures = 143, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 508 [2023-11-11 23:53:37,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:37,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:37,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:37,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:37,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:37,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:37,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:37,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:37,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:37" (1/1) ... [2023-11-11 23:53:37,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:37,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:37,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:37,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-11 23:53:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-11 23:53:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:53:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-11 23:53:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-11-11 23:53:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-11 23:53:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-11 23:53:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:53:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-11 23:53:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-11 23:53:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-11 23:53:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-11 23:53:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:53:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:53:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-11 23:53:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-11 23:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-11 23:53:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-11 23:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-11 23:53:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-11 23:53:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:53:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:53:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:53:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-11 23:53:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-11 23:53:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-11 23:53:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-11 23:53:38,134 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:38,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:38,836 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:39,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:39,189 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:53:39,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:39 BoogieIcfgContainer [2023-11-11 23:53:39,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:39,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:39,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:39,205 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:39,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:39" (1/1) ... [2023-11-11 23:53:39,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:53:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2023-11-11 23:53:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2023-11-11 23:53:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:39,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:39,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 100 transitions. [2023-11-11 23:53:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2023-11-11 23:53:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:53:39,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:39,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 108 transitions. [2023-11-11 23:53:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2023-11-11 23:53:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:53:40,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:53:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 111 transitions. [2023-11-11 23:53:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2023-11-11 23:53:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:53:40,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:53:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:40,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 93 states and 120 transitions. [2023-11-11 23:53:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-11-11 23:53:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:53:40,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:40,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:53:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 97 states and 125 transitions. [2023-11-11 23:53:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2023-11-11 23:53:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:53:40,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:40,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:53:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:40,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 136 transitions. [2023-11-11 23:53:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2023-11-11 23:53:40,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:53:40,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:40,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:53:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 108 states and 141 transitions. [2023-11-11 23:53:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 141 transitions. [2023-11-11 23:53:40,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-11 23:53:40,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:41,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:53:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:41,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:53:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:41,812 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2023-11-11 23:53:41,907 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,908 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,912 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,913 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,914 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,915 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-11 23:53:41,915 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,916 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,916 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,918 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-11 23:53:41,919 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,919 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,921 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,921 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret406 [2023-11-11 23:53:41,924 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,930 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,931 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,931 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,932 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,932 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,932 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,933 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-11 23:53:41,934 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,934 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,935 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,936 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,937 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated [2023-11-11 23:53:41,937 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,938 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,942 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,945 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,946 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret409 [2023-11-11 23:53:41,946 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,946 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,947 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,948 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,949 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,949 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,952 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,954 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,957 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,958 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,958 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,959 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,961 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,961 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,963 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,963 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-11-11 23:53:41,963 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,965 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,965 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,966 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated [2023-11-11 23:53:41,967 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,967 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,970 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret270 could not be translated [2023-11-11 23:53:41,970 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,971 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,971 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-11 23:53:41,972 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,972 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,973 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,973 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated [2023-11-11 23:53:41,973 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,974 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,974 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,974 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,975 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,975 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:53:41,975 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:53:41,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:53:41 ImpRootNode [2023-11-11 23:53:41,998 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:53:41,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:53:41,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:53:41,999 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:53:41,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:39" (3/4) ... [2023-11-11 23:53:42,002 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:53:42,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:53:42,005 INFO L158 Benchmark]: Toolchain (without parser) took 6562.90ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 104.0MB in the beginning and 129.5MB in the end (delta: -25.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:42,006 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:42,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1958.99ms. Allocated memory is still 146.8MB. Free memory was 103.5MB in the beginning and 97.1MB in the end (delta: 6.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-11 23:53:42,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.35ms. Allocated memory is still 146.8MB. Free memory was 97.1MB in the beginning and 91.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:53:42,010 INFO L158 Benchmark]: Boogie Preprocessor took 131.35ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 87.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:53:42,016 INFO L158 Benchmark]: RCFGBuilder took 1480.61ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 87.4MB in the beginning and 109.4MB in the end (delta: -21.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:42,017 INFO L158 Benchmark]: CodeCheck took 2804.04ms. Allocated memory is still 203.4MB. Free memory was 108.3MB in the beginning and 130.6MB in the end (delta: -22.3MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2023-11-11 23:53:42,018 INFO L158 Benchmark]: Witness Printer took 5.47ms. Allocated memory is still 203.4MB. Free memory was 130.6MB in the beginning and 129.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:42,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 11 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 626 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 406 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1463 GetRequests, 1461 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 391 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 4295]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 4179. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=112, \result={0:0}, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, size=112, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=20, \old(arg3)=208, __this_module={76:74}, arg0={58:54}, arg0={58:54}, arg1={32170:0}, arg1={32170:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, bio={0:0}, disk={69:0}, disk={69:0}, features={14:0}, id_str={32170:0}, id_str={32170:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, vblk={66:28470}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=322, \result={0:0}, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, size=322, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=208, __this_module={76:74}, arg0={58:54}, arg0={58:54}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3897] RET, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, bio={0:0}, disk={69:0}, disk={69:0}, features={14:0}, id_str={32170:0}, id_str={32170:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, req={0:0}, tmp___0=0, vblk={66:28470}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \result=1, __this_module={76:74}, bio={0:0}, disk={69:0}, disk={69:0}, features={14:0}, id_str={32170:0}, id_str={32170:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=1, vblk={66:28470}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) [L3935] return (err); [L3935] return (err); VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=0, \old(mode)=126, \result=1, __this_module={76:74}, bdev={124:0}, bdev={124:0}, cmd=1447184708, data=0, disk={69:0}, err=1, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, mode=126, tmp=131, usr_data={0:0}, vblk={66:28470}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, tmp=0, tmp___0=0, tmp___1=0, var_group1={124:0}, var_virtblk_ioctl_5_p1=126, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, tmp=0, tmp___0=0, tmp___1=0, var_group1={124:0}, var_virtblk_ioctl_5_p1=126, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={76:74}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1958.99ms. Allocated memory is still 146.8MB. Free memory was 103.5MB in the beginning and 97.1MB in the end (delta: 6.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.35ms. Allocated memory is still 146.8MB. Free memory was 97.1MB in the beginning and 91.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.35ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 87.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1480.61ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 87.4MB in the beginning and 109.4MB in the end (delta: -21.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * CodeCheck took 2804.04ms. Allocated memory is still 203.4MB. Free memory was 108.3MB in the beginning and 130.6MB in the end (delta: -22.3MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * Witness Printer took 5.47ms. Allocated memory is still 203.4MB. Free memory was 130.6MB in the beginning and 129.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3096]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] - GenericResultAtLocation [Line: 3530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] - GenericResultAtLocation [Line: 3538]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] - GenericResultAtLocation [Line: 3546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] - GenericResultAtLocation [Line: 3761]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] - GenericResultAtLocation [Line: 3836]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret406 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret409 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret261 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret270 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch390 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:53:42,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:53:45,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:45,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:53:45,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:45,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:45,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:45,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:45,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:45,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:45,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:45,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:45,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:45,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:45,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:45,443 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:53:45,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:53:45,444 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:53:45,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:45,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:45,447 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:45,448 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:45,448 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:53:45,449 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:53:45,449 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:53:45,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:45,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:45,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:45,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:45,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:45,452 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:53:45,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:53:45,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:45,454 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:53:45,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:53:45,455 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2023-11-11 23:53:45,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:46,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:46,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:46,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:46,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:46,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-11 23:53:49,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:50,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:50,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-11-11 23:53:50,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data/0a4bbbfe3/aa5a7b931f7641f693611b79be34e314/FLAG942d1deb9 [2023-11-11 23:53:50,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/data/0a4bbbfe3/aa5a7b931f7641f693611b79be34e314 [2023-11-11 23:53:50,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:50,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:50,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:50,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:50,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:50,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:50" (1/1) ... [2023-11-11 23:53:50,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c493cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:50, skipping insertion in model container [2023-11-11 23:53:50,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:50" (1/1) ... [2023-11-11 23:53:50,293 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:51,821 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_d51d989a-3a3e-498c-a873-86491c4462e2/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-11 23:53:51,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:51,927 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:53:51,974 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:52,224 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_d51d989a-3a3e-498c-a873-86491c4462e2/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-11 23:53:52,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:52,265 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:52,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] [2023-11-11 23:53:52,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] [2023-11-11 23:53:52,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] [2023-11-11 23:53:52,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] [2023-11-11 23:53:52,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] [2023-11-11 23:53:52,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] [2023-11-11 23:53:52,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] [2023-11-11 23:53:52,531 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_d51d989a-3a3e-498c-a873-86491c4462e2/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-11-11 23:53:52,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:52,607 WARN L672 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:52,607 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:52,615 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:52,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52 WrapperNode [2023-11-11 23:53:52,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:52,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:52,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:52,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:52,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,758 INFO L138 Inliner]: procedures = 150, calls = 533, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 482 [2023-11-11 23:53:52,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:52,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:52,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:52,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:52,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:52,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:52,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:52,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:52,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:52" (1/1) ... [2023-11-11 23:53:52,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:52,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:52,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:52,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-11 23:53:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-11 23:53:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-11-11 23:53:52,926 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-11-11 23:53:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-11 23:53:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-11 23:53:52,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2023-11-11 23:53:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-11 23:53:52,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-11 23:53:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-11 23:53:52,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-11 23:53:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-11 23:53:52,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-11 23:53:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:53:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:53:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-11-11 23:53:52,929 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-11-11 23:53:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:53:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:53:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-11 23:53:52,930 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-11 23:53:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-11 23:53:52,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-11 23:53:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-11 23:53:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-11 23:53:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:53:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:53:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:53:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:53:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:53:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-11 23:53:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-11 23:53:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-11 23:53:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-11 23:53:53,197 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:53,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:54,485 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:54,834 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:54,834 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:53:54,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:54 BoogieIcfgContainer [2023-11-11 23:53:54,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:54,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:54,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:54,850 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:54,851 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:54" (1/1) ... [2023-11-11 23:53:54,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:53:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2023-11-11 23:53:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2023-11-11 23:53:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:54,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:54,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:53:54,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:53:54,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:53:54,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:53:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:55,234 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:53:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:55,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:53:55,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:55,488 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:53:55,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:53:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 107 transitions. [2023-11-11 23:53:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2023-11-11 23:53:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:53:55,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:55,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:53:55,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:53:55,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:53:55,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:53:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:56,103 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:53:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:56,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:53:56,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:56,361 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:53:56,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:53:58,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-11 23:54:00,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-11 23:54:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 87 states and 113 transitions. [2023-11-11 23:54:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2023-11-11 23:54:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:54:00,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:00,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:54:00,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:54:00,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:54:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:00,459 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:54:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:00,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:54:00,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:54:00,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:54:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 89 states and 116 transitions. [2023-11-11 23:54:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2023-11-11 23:54:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:54:00,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:00,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:00,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:54:00,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:54:00,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:54:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:01,002 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:54:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:01,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:54:01,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:01,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:54:01,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-11 23:54:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 97 states and 126 transitions. [2023-11-11 23:54:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2023-11-11 23:54:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:54:01,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:01,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:01,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:54:01,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:54:01,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-11 23:54:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:01,722 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:54:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:01,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:54:01,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:54:02,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-11 23:54:07,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-11 23:54:10,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-11 23:54:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 107 states and 135 transitions. [2023-11-11 23:54:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 135 transitions. [2023-11-11 23:54:10,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:54:10,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:10,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:10,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:54:10,199 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:54:10,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-11 23:54:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:10,473 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:54:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:10,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:54:10,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:54:10,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-11 23:54:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 125 states and 160 transitions. [2023-11-11 23:54:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 160 transitions. [2023-11-11 23:54:10,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:54:10,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:10,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:10,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:54:10,955 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:54:10,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-11 23:54:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:11,276 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:54:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:11,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:54:11,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:54:11,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-11 23:54:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:11,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 130 states and 168 transitions. [2023-11-11 23:54:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 168 transitions. [2023-11-11 23:54:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-11 23:54:11,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:11,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:54:11,757 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:54:11,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-11 23:54:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:13,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:54:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:15,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:54:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:16,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-11 23:54:16,040 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2023-11-11 23:54:16,149 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,152 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,152 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,153 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,154 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-11 23:54:16,154 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,155 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,155 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,156 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,156 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-11 23:54:16,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,158 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,162 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,162 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret401 [2023-11-11 23:54:16,168 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,169 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,169 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,170 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,170 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,171 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,171 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,172 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-11 23:54:16,172 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,173 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,173 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,174 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret252 could not be translated [2023-11-11 23:54:16,174 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,175 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,178 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,179 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,183 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret404 [2023-11-11 23:54:16,184 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,184 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,186 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,187 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,188 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,188 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,190 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,191 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,191 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,191 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,195 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,195 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,195 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,196 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,196 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated [2023-11-11 23:54:16,196 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,196 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,197 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret257 could not be translated [2023-11-11 23:54:16,197 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,198 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,199 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,200 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,200 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,201 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret266 could not be translated [2023-11-11 23:54:16,201 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,202 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,202 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-11 23:54:16,202 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,203 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,203 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated [2023-11-11 23:54:16,203 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,203 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,204 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,204 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,204 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,204 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device [2023-11-11 23:54:16,205 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2023-11-11 23:54:16,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:54:16 ImpRootNode [2023-11-11 23:54:16,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:54:16,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:54:16,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:54:16,226 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:54:16,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:54" (3/4) ... [2023-11-11 23:54:16,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:54:16,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:54:16,235 INFO L158 Benchmark]: Toolchain (without parser) took 26099.99ms. Allocated memory was 79.7MB in the beginning and 163.6MB in the end (delta: 83.9MB). Free memory was 50.7MB in the beginning and 66.0MB in the end (delta: -15.3MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:16,236 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 79.7MB. Free memory was 55.8MB in the beginning and 55.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:16,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2481.98ms. Allocated memory was 79.7MB in the beginning and 136.3MB in the end (delta: 56.6MB). Free memory was 50.5MB in the beginning and 79.3MB in the end (delta: -28.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:16,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.38ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 74.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:16,239 INFO L158 Benchmark]: Boogie Preprocessor took 84.07ms. Allocated memory is still 136.3MB. Free memory was 74.4MB in the beginning and 69.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:16,239 INFO L158 Benchmark]: RCFGBuilder took 1993.37ms. Allocated memory is still 136.3MB. Free memory was 69.6MB in the beginning and 68.7MB in the end (delta: 923.9kB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:16,242 INFO L158 Benchmark]: CodeCheck took 21385.40ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 68.7MB in the beginning and 66.0MB in the end (delta: 2.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:16,243 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 163.6MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:16,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 11 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 572 SdHoareTripleChecker+Valid, 49.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 432 mSDsluCounter, 720 SdHoareTripleChecker+Invalid, 48.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 393 IncrementalHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 454 mSDtfsCounter, 393 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1723 GetRequests, 1721 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1918 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 4295]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 4179. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=112, \result={0:0}, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, size=112, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=20, \old(arg3)=208, __this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={16:0}, arg1={16:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, bio={0:0}, disk={0:-1076}, disk={0:-1076}, features={14:0}, id_str={16:0}, id_str={16:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, vblk={34359738368:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=322, \result={0:0}, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, size=322, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=208, __this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [LDV_IN_INTERRUPT=1, \old(mask)=208, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3897] RET, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, bio={0:0}, disk={0:-1076}, disk={0:-1076}, features={14:0}, id_str={16:0}, id_str={16:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, req={0:0}, tmp___0=0, vblk={34359738368:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={0:0}, bio={0:0}, disk={0:-1076}, disk={0:-1076}, features={14:0}, id_str={16:0}, id_str={16:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=0, vblk={34359738368:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND TRUE err == 0 [L3928] CALL, EXPR copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3201] unsigned long tmp ; [L3203] FCALL might_fault() [L3204] CALL, EXPR _copy_to_user(dst, src, size) [L4411] return __VERIFIER_nondet_ulong(); [L3204] RET, EXPR _copy_to_user(dst, src, size) [L3204] tmp = _copy_to_user(dst, src, size) [L3205] return ((int )tmp); [L3928] RET, EXPR copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3928] tmp = copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3929] COND FALSE !(tmp != 0) [L3935] return (err); [L3935] return (err); VAL [LDV_IN_INTERRUPT=1, \old(cmd)=1447184708, \old(data)=0, \old(mode)=0, \result=0, __this_module={0:0}, bdev={0:-256}, bdev={0:-256}, cmd=1447184708, data=0, disk={0:-1076}, err=0, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, mode=0, tmp=0, usr_data={0:0}, vblk={34359738368:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:-256}, var_virtblk_ioctl_5_p1=0, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:-256}, var_virtblk_ioctl_5_p1=0, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 79.7MB. Free memory was 55.8MB in the beginning and 55.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2481.98ms. Allocated memory was 79.7MB in the beginning and 136.3MB in the end (delta: 56.6MB). Free memory was 50.5MB in the beginning and 79.3MB in the end (delta: -28.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.38ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 74.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.07ms. Allocated memory is still 136.3MB. Free memory was 74.4MB in the beginning and 69.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1993.37ms. Allocated memory is still 136.3MB. Free memory was 69.6MB in the beginning and 68.7MB in the end (delta: 923.9kB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * CodeCheck took 21385.40ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 68.7MB in the beginning and 66.0MB in the end (delta: 2.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 163.6MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3096]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3096-3097] - GenericResultAtLocation [Line: 3530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3530-3531] - GenericResultAtLocation [Line: 3538]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3538-3539] - GenericResultAtLocation [Line: 3546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3546-3547] - GenericResultAtLocation [Line: 3761]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (137), "i" (12UL)); [3761-3762] - GenericResultAtLocation [Line: 3836]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (191), "i" (12UL)); [3836-3837] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/vladimir/commit-test/commit-test-work/task-034--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c.prepared"), "i" (481), "i" (12UL)); [4157-4158] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret401 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret252 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret404 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret391 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret257 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - 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 ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch385 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:54:16,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51d989a-3a3e-498c-a873-86491c4462e2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample