./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-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX --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 eca061443980e8d0803d9e641f2f399e16662610ff9edce1dac481c57666d01d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:49,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:49,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:52:49,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:49,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:49,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:49,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:49,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:49,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:49,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:49,600 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:49,601 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:49,602 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:49,604 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:49,604 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:49,605 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:49,605 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:49,606 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:49,606 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:49,607 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:49,607 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:49,608 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:49,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:49,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:49,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:49,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:49,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:49,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:49,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:49,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:49,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:49,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:49,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:49,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:49,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:49,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:49,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:49,619 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:49,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:49,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:49,620 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:49,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:49,621 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_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca061443980e8d0803d9e641f2f399e16662610ff9edce1dac481c57666d01d [2023-11-12 00:52:50,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:50,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:50,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:50,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:50,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:50,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-12 00:52:53,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:54,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:54,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-12 00:52:54,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/data/b8dc8c0d6/c92da951a73f4acb96f61600d9754de5/FLAG50f341af8 [2023-11-12 00:52:54,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/data/b8dc8c0d6/c92da951a73f4acb96f61600d9754de5 [2023-11-12 00:52:54,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:54,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:54,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:54,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:54,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:54,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:54" (1/1) ... [2023-11-12 00:52:54,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0edea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:54, skipping insertion in model container [2023-11-12 00:52:54,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:54" (1/1) ... [2023-11-12 00:52:54,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:57,605 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_d4956f68-9a90-4717-b644-320d4ec7323f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i[342799,342812] [2023-11-12 00:52:57,674 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 00:52:57,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:57,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:57,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4416] [2023-11-12 00:52:57,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4418] [2023-11-12 00:52:57,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4428] [2023-11-12 00:52:57,936 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)); [4436-4437] [2023-11-12 00:52:57,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4456] [2023-11-12 00:52:57,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4459] [2023-11-12 00:52:57,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4462] [2023-11-12 00:52:57,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4465] [2023-11-12 00:52:57,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [4501-4502] [2023-11-12 00:52:57,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4513-4514] [2023-11-12 00:52:57,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4517-4518] [2023-11-12 00:52:57,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4521-4522] [2023-11-12 00:52:57,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4525-4526] [2023-11-12 00:52:57,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); [4546-4547] [2023-11-12 00:52:57,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incq %0": "=m" (v->counter): "m" (v->counter)); [4554] [2023-11-12 00:52:57,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decq %0": "=m" (v->counter): "m" (v->counter)); [4561] [2023-11-12 00:52:57,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4592] [2023-11-12 00:52:57,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4595] [2023-11-12 00:52:57,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4597] [2023-11-12 00:52:57,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4602] [2023-11-12 00:52:57,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4605] [2023-11-12 00:52:57,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4607] [2023-11-12 00:52:57,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4612] [2023-11-12 00:52:57,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4615] [2023-11-12 00:52:57,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4617] [2023-11-12 00:52:57,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4622] [2023-11-12 00:52:57,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4625] [2023-11-12 00:52:57,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4627] [2023-11-12 00:52:57,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4688] [2023-11-12 00:52:58,469 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_d4956f68-9a90-4717-b644-320d4ec7323f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i[342799,342812] [2023-11-12 00:52:58,484 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 00:52:58,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:58,667 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:58,667 WARN L672 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:58,668 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:58,668 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:58,669 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:58,679 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:58,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58 WrapperNode [2023-11-12 00:52:58,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:58,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:58,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:58,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:58,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:52:58,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:52:59,238 INFO L138 Inliner]: procedures = 266, calls = 4555, calls flagged for inlining = 130, calls inlined = 123, statements flattened = 10584 [2023-11-12 00:52:59,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:59,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:59,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:59,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:59,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:52:59,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:52:59,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:52:59,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:52:59,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:52:59,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:53:00,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:53:00,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:53:00,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:00,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:00,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:00,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:00,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (1/1) ... [2023-11-12 00:53:00,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:00,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:00,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:00,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956f68-9a90-4717-b644-320d4ec7323f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2023-11-12 00:53:00,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2023-11-12 00:53:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 00:53:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 00:53:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 00:53:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-12 00:53:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-12 00:53:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:53:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:53:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-11-12 00:53:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-11-12 00:53:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:53:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:53:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:53:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:53:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2023-11-12 00:53:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2023-11-12 00:53:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-12 00:53:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-12 00:53:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-12 00:53:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-12 00:53:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:53:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:53:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:53:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:53:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:53:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:53:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-12 00:53:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-12 00:53:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-12 00:53:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-12 00:53:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:53:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:53:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:53:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:53:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-12 00:53:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-12 00:53:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:53:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:53:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2023-11-12 00:53:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2023-11-12 00:53:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2023-11-12 00:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2023-11-12 00:53:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2023-11-12 00:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2023-11-12 00:53:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-12 00:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-12 00:53:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:53:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:53:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-11-12 00:53:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-11-12 00:53:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2023-11-12 00:53:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2023-11-12 00:53:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-12 00:53:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-12 00:53:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:53:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-12 00:53:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-12 00:53:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:53:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2023-11-12 00:53:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2023-11-12 00:53:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 00:53:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:53:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:53:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-12 00:53:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-12 00:53:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2023-11-12 00:53:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2023-11-12 00:53:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-12 00:53:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-12 00:53:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:53:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2023-11-12 00:53:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2023-11-12 00:53:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:53:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2023-11-12 00:53:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2023-11-12 00:53:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:53:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:53:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 00:53:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 00:53:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2023-11-12 00:53:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2023-11-12 00:53:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2023-11-12 00:53:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2023-11-12 00:53:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2023-11-12 00:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2023-11-12 00:53:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 00:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 00:53:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-12 00:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-12 00:53:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:53:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:53:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:53:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2023-11-12 00:53:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2023-11-12 00:53:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:53:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:53:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2023-11-12 00:53:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2023-11-12 00:53:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:53:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2023-11-12 00:53:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2023-11-12 00:53:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-12 00:53:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-12 00:53:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2023-11-12 00:53:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2023-11-12 00:53:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:53:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2023-11-12 00:53:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2023-11-12 00:53:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2023-11-12 00:53:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2023-11-12 00:53:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:53:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2023-11-12 00:53:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2023-11-12 00:53:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2023-11-12 00:53:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2023-11-12 00:53:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2023-11-12 00:53:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2023-11-12 00:53:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2023-11-12 00:53:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2023-11-12 00:53:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:53:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:53:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2023-11-12 00:53:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2023-11-12 00:53:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-12 00:53:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-12 00:53:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2023-11-12 00:53:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2023-11-12 00:53:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:53:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:53:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2023-11-12 00:53:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2023-11-12 00:53:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:53:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:53:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:53:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 00:53:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 00:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:53:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-12 00:53:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-12 00:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:53:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:53:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:53:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:53:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:53:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 00:53:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 00:53:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2023-11-12 00:53:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2023-11-12 00:53:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-12 00:53:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-12 00:53:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-12 00:53:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-12 00:53:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:53:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:53:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2023-11-12 00:53:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2023-11-12 00:53:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-11-12 00:53:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-11-12 00:53:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2023-11-12 00:53:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2023-11-12 00:53:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-12 00:53:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-12 00:53:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-12 00:53:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-12 00:53:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2023-11-12 00:53:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2023-11-12 00:53:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2023-11-12 00:53:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2023-11-12 00:53:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:53:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:53:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2023-11-12 00:53:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2023-11-12 00:53:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-12 00:53:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-12 00:53:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-12 00:53:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-12 00:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2023-11-12 00:53:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2023-11-12 00:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:53:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2023-11-12 00:53:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2023-11-12 00:53:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2023-11-12 00:53:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2023-11-12 00:53:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:53:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:53:01,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:01,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:01,820 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:53:18,613 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:27,705 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:27,705 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:27,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:27 BoogieIcfgContainer [2023-11-12 00:53:27,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:27,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:27,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:27,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:27,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:54" (1/3) ... [2023-11-12 00:53:27,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2522aeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:27, skipping insertion in model container [2023-11-12 00:53:27,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:58" (2/3) ... [2023-11-12 00:53:27,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2522aeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:27, skipping insertion in model container [2023-11-12 00:53:27,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:27" (3/3) ... [2023-11-12 00:53:27,733 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-12 00:53:27,761 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:27,761 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:27,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:27,943 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;@7632cc61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:27,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 2246 states, 1496 states have (on average 1.4151069518716577) internal successors, (2117), 1538 states have internal predecessors, (2117), 661 states have call successors, (661), 88 states have call predecessors, (661), 87 states have return successors, (638), 635 states have call predecessors, (638), 638 states have call successors, (638) [2023-11-12 00:53:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2023-11-12 00:53:28,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:28,077 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:28,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:28,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:28,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1912958113, now seen corresponding path program 1 times [2023-11-12 00:53:28,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:28,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591153077] [2023-11-12 00:53:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:28,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16728 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16728 trivial. 0 not checked. [2023-11-12 00:53:31,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:53:31,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591153077] [2023-11-12 00:53:31,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591153077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:31,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:31,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:53:31,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763556109] [2023-11-12 00:53:31,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:31,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:53:31,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:53:31,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:53:31,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:31,498 INFO L87 Difference]: Start difference. First operand has 2246 states, 1496 states have (on average 1.4151069518716577) internal successors, (2117), 1538 states have internal predecessors, (2117), 661 states have call successors, (661), 88 states have call predecessors, (661), 87 states have return successors, (638), 635 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2023-11-12 00:53:33,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []