./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:32,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:32,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:01:32,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:32,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:32,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:32,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:32,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:32,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:32,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:32,493 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:32,493 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:32,494 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:32,494 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:32,495 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:32,496 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:32,496 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:32,497 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:32,497 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:32,498 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:32,498 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:32,500 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:32,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:32,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:32,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:32,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:32,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:32,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:32,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:32,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:32,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:32,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:32,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:32,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:32,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:32,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:32,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:32,507 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:32,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:32,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:32,508 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:32,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:32,509 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d [2023-11-19 05:01:32,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:32,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:32,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:32,806 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:32,807 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:32,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:01:35,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:36,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:36,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:01:36,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/data/9cbb65dc1/0e7d1d4db30a4de19164c3c8bc397fe4/FLAG81b3881c9 [2023-11-19 05:01:36,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/data/9cbb65dc1/0e7d1d4db30a4de19164c3c8bc397fe4 [2023-11-19 05:01:36,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:36,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:36,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:36,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:36,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:36,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a60684f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36, skipping insertion in model container [2023-11-19 05:01:36,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,886 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:39,504 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_25549d25-1265-4789-80d9-f155ccd0d776/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2023-11-19 05:01:39,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:39,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:39,796 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)); [4668-4669] [2023-11-19 05:01:39,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4678] [2023-11-19 05:01:39,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4685] [2023-11-19 05:01:39,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4823] [2023-11-19 05:01:39,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4826] [2023-11-19 05:01:39,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4829] [2023-11-19 05:01:39,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4832] [2023-11-19 05:01:39,826 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" (90), "i" (12UL)); [5057-5058] [2023-11-19 05:01:39,827 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" (92), "i" (12UL)); [5065-5066] [2023-11-19 05:01:39,828 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" (93), "i" (12UL)); [5073-5074] [2023-11-19 05:01:39,831 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" (123), "i" (12UL)); [5100-5101] [2023-11-19 05:01:39,832 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" (124), "i" (12UL)); [5108-5109] [2023-11-19 05:01:40,387 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_25549d25-1265-4789-80d9-f155ccd0d776/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2023-11-19 05:01:40,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:40,565 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:01:40,567 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:01:40,567 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:01:40,568 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:01:40,576 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:40,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40 WrapperNode [2023-11-19 05:01:40,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:40,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:40,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:40,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:40,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:40,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,098 INFO L138 Inliner]: procedures = 248, calls = 4225, calls flagged for inlining = 108, calls inlined = 103, statements flattened = 10857 [2023-11-19 05:01:41,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:41,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:41,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:41,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:41,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:41,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:41,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:41,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:41,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (1/1) ... [2023-11-19 05:01:41,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:41,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:41,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:41,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25549d25-1265-4789-80d9-f155ccd0d776/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 05:01:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 05:01:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-19 05:01:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-19 05:01:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:01:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:01:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:01:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:01:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 05:01:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:01:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:01:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:01:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:01:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:01:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:01:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-19 05:01:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-19 05:01:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 05:01:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 05:01:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-19 05:01:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-19 05:01:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:01:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:01:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-19 05:01:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-19 05:01:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-19 05:01:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-19 05:01:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:01:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:01:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-19 05:01:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-19 05:01:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-19 05:01:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-19 05:01:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 05:01:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 05:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:01:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:01:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 05:01:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 05:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-19 05:01:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-19 05:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-19 05:01:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-19 05:01:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-19 05:01:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-19 05:01:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:01:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:01:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:01:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:01:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-19 05:01:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-19 05:01:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-19 05:01:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-19 05:01:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-19 05:01:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-19 05:01:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-19 05:01:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-19 05:01:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-19 05:01:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-19 05:01:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:01:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:01:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:01:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-19 05:01:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-19 05:01:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 05:01:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 05:01:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-19 05:01:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-19 05:01:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:01:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_28 [2023-11-19 05:01:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_28 [2023-11-19 05:01:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-19 05:01:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-19 05:01:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-19 05:01:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-19 05:01:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:01:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:01:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 05:01:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 05:01:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-19 05:01:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-19 05:01:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 05:01:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 05:01:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:01:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-19 05:01:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-19 05:01:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:01:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:01:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:01:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 05:01:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 05:01:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:01:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:01:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-19 05:01:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-19 05:01:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 05:01:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 05:01:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-19 05:01:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-19 05:01:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:01:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:01:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-19 05:01:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-19 05:01:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:01:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-19 05:01:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-19 05:01:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 05:01:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 05:01:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-19 05:01:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-19 05:01:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:01:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:01:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-19 05:01:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-19 05:01:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-19 05:01:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-19 05:01:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-19 05:01:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-19 05:01:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:01:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:01:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-19 05:01:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-19 05:01:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-19 05:01:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-19 05:01:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-19 05:01:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-19 05:01:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:01:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:01:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-19 05:01:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-19 05:01:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:01:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:01:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-19 05:01:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-19 05:01:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 05:01:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 05:01:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:01:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:01:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:01:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-19 05:01:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-19 05:01:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-19 05:01:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-19 05:01:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-19 05:01:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-19 05:01:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:01:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:01:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:01:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:01:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-19 05:01:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-19 05:01:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:01:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:01:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:01:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-19 05:01:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-19 05:01:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 05:01:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 05:01:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-19 05:01:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-19 05:01:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-19 05:01:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-19 05:01:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-19 05:01:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-19 05:01:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 05:01:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 05:01:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:01:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:01:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-19 05:01:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-19 05:01:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-19 05:01:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-19 05:01:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-19 05:01:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-19 05:01:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-19 05:01:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-19 05:01:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:01:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:01:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-19 05:01:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-19 05:01:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-19 05:01:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-19 05:01:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-19 05:01:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-19 05:01:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-19 05:01:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-19 05:01:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-19 05:01:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-19 05:01:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 05:01:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 05:01:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-19 05:01:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-19 05:01:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 05:01:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 05:01:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-19 05:01:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-19 05:01:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-19 05:01:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-19 05:01:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-19 05:01:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-19 05:01:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:01:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:01:43,359 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:43,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:43,520 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:02:05,029 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:12,436 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:12,436 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:02:12,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:12 BoogieIcfgContainer [2023-11-19 05:02:12,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:12,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:12,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:12,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:12,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:36" (1/3) ... [2023-11-19 05:02:12,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc59560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:12, skipping insertion in model container [2023-11-19 05:02:12,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:40" (2/3) ... [2023-11-19 05:02:12,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc59560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:12, skipping insertion in model container [2023-11-19 05:02:12,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:12" (3/3) ... [2023-11-19 05:02:12,479 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:02:12,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:12,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:02:12,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:12,664 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@334ec664, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:12,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:02:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 2559 states, 1710 states have (on average 1.394736842105263) internal successors, (2385), 1740 states have internal predecessors, (2385), 754 states have call successors, (754), 94 states have call predecessors, (754), 93 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) [2023-11-19 05:02:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-19 05:02:12,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:12,742 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:12,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:12,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:12,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1467816117, now seen corresponding path program 1 times [2023-11-19 05:02:12,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:12,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329747689] [2023-11-19 05:02:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:12,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2023-11-19 05:02:14,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:14,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329747689] [2023-11-19 05:02:14,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329747689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:14,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:14,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:14,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096401680] [2023-11-19 05:02:14,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:14,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:14,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:14,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:14,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:14,529 INFO L87 Difference]: Start difference. First operand has 2559 states, 1710 states have (on average 1.394736842105263) internal successors, (2385), 1740 states have internal predecessors, (2385), 754 states have call successors, (754), 94 states have call predecessors, (754), 93 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-19 05:02:18,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:02:20,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []