./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/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_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/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_f5bd6456-ca5a-494f-901d-03db1c2b50a5/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 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:14,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:14,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:58:14,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:14,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:14,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:14,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:14,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:14,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:14,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:14,647 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:14,647 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:14,648 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:14,648 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:14,649 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:14,650 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:14,650 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:14,651 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:14,651 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:14,652 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:14,652 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:14,653 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:14,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:14,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:14,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:14,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:14,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:14,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:14,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:14,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:14,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:14,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:14,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:14,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:14,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:14,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:14,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:14,659 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:14,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:14,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:14,660 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:14,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:14,661 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_f5bd6456-ca5a-494f-901d-03db1c2b50a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 [2023-11-12 00:58:14,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:14,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:14,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:14,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:14,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:14,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2023-11-12 00:58:18,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:18,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:18,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2023-11-12 00:58:19,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/data/f67c39c0f/6de66c1516234d27a1d755c02cb4ce75/FLAG3b396a761 [2023-11-12 00:58:19,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/data/f67c39c0f/6de66c1516234d27a1d755c02cb4ce75 [2023-11-12 00:58:19,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:19,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:19,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:19,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:19,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:19,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:19" (1/1) ... [2023-11-12 00:58:19,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e44f97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:19, skipping insertion in model container [2023-11-12 00:58:19,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:19" (1/1) ... [2023-11-12 00:58:19,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:19,885 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2023-11-12 00:58:19,886 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2023-11-12 00:58:20,387 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_f5bd6456-ca5a-494f-901d-03db1c2b50a5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2023-11-12 00:58:21,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:21,839 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:21,985 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2023-11-12 00:58:21,985 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2023-11-12 00:58:21,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4666] [2023-11-12 00:58:21,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4669] [2023-11-12 00:58:21,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4672] [2023-11-12 00:58:21,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4675] [2023-11-12 00:58:21,991 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [4704-4705] [2023-11-12 00:58:21,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4710-4712] [2023-11-12 00:58:21,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4796] [2023-11-12 00:58:21,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4804] [2023-11-12 00:58:21,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4811] [2023-11-12 00:58:22,000 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_f5bd6456-ca5a-494f-901d-03db1c2b50a5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2023-11-12 00:58:22,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [5798] [2023-11-12 00:58:22,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [6699-6700] [2023-11-12 00:58:22,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [6704-6705] [2023-11-12 00:58:22,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [6709-6710] [2023-11-12 00:58:22,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [6714-6715] [2023-11-12 00:58:22,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6787] [2023-11-12 00:58:22,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6806] [2023-11-12 00:58:22,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6808] [2023-11-12 00:58:22,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6868] [2023-11-12 00:58:22,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6904] [2023-11-12 00:58:22,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6906] [2023-11-12 00:58:22,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6914] [2023-11-12 00:58:22,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6923] [2023-11-12 00:58:22,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (user_msg), "i" (4UL)); [7318-7319] [2023-11-12 00:58:22,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (user_reply), "i" (4UL)); [7338-7339] [2023-11-12 00:58:22,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (user_msg), "i" (4UL)); [7442-7443] [2023-11-12 00:58:22,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7747] [2023-11-12 00:58:22,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7821] [2023-11-12 00:58:22,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7822] [2023-11-12 00:58:22,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5440/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/dpt_i2o.o.c.prepared"), "i" (2350), "i" (12UL)); [7921-7922] [2023-11-12 00:58:22,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8526] [2023-11-12 00:58:22,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8548] [2023-11-12 00:58:22,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8550] [2023-11-12 00:58:22,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8568] [2023-11-12 00:58:22,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8604] [2023-11-12 00:58:22,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8613] [2023-11-12 00:58:22,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8646] [2023-11-12 00:58:22,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8684] [2023-11-12 00:58:22,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8714] [2023-11-12 00:58:22,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8722] [2023-11-12 00:58:22,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:22,546 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:58:22,547 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:58:22,547 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:58:22,555 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:22,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22 WrapperNode [2023-11-12 00:58:22,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:22,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:22,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:22,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:22,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:22,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:22,898 INFO L138 Inliner]: procedures = 250, calls = 2527, calls flagged for inlining = 130, calls inlined = 128, statements flattened = 7021 [2023-11-12 00:58:22,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:22,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:22,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:22,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:22,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:22,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:22,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:22,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:23,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:23,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:23,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:23,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:23,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:23,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:23,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:23,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:23,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (1/1) ... [2023-11-12 00:58:23,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:23,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:23,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:23,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bd6456-ca5a-494f-901d-03db1c2b50a5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_from_context [2023-11-12 00:58:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_from_context [2023-11-12 00:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 00:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:58:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:58:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_delete_hba [2023-11-12 00:58:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_delete_hba [2023-11-12 00:58:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2023-11-12 00:58:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2023-11-12 00:58:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-12 00:58:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-12 00:58:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:58:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:58:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:58:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:58:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:58:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:58:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_status_get [2023-11-12 00:58:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_status_get [2023-11-12 00:58:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_build_sys_table [2023-11-12 00:58:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_build_sys_table [2023-11-12 00:58:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-12 00:58:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-12 00:58:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_online_hba [2023-11-12 00:58:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_online_hba [2023-11-12 00:58:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2023-11-12 00:58:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2023-11-12 00:58:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2023-11-12 00:58:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2023-11-12 00:58:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-12 00:58:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-12 00:58:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:58:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:58:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:58:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:58:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_2 [2023-11-12 00:58:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_2 [2023-11-12 00:58:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2023-11-12 00:58:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2023-11-12 00:58:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:58:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:58:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_query_scalar [2023-11-12 00:58:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_query_scalar [2023-11-12 00:58:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2023-11-12 00:58:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2023-11-12 00:58:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:58:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:58:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:58:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:58:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_hba_reset [2023-11-12 00:58:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_hba_reset [2023-11-12 00:58:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:58:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:58:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:58:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:58:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:58:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-12 00:58:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-12 00:58:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:58:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:58:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:58:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:58:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:58:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:58:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:58:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:58:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:58:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:58:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_lct_get [2023-11-12 00:58:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_lct_get [2023-11-12 00:58:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:58:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:58:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:58:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:58:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:58:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:58:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reparse_lct [2023-11-12 00:58:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reparse_lct [2023-11-12 00:58:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:58:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:58:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_wait [2023-11-12 00:58:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_wait [2023-11-12 00:58:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:58:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:58:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:58:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:58:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:58:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2023-11-12 00:58:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2023-11-12 00:58:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:58:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:58:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:58:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:58:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_adjust_queue_depth [2023-11-12 00:58:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_adjust_queue_depth [2023-11-12 00:58:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:58:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_activate_hba [2023-11-12 00:58:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_activate_hba [2023-11-12 00:58:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 00:58:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 00:58:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:58:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_ioctl [2023-11-12 00:58:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_ioctl [2023-11-12 00:58:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reset_hba [2023-11-12 00:58:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reset_hba [2023-11-12 00:58:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:58:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:58:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_read_blink_led [2023-11-12 00:58:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_read_blink_led [2023-11-12 00:58:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:58:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:58:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-12 00:58:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-12 00:58:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:58:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:58:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:58:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:58:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:58:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_send_nop [2023-11-12 00:58:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_send_nop [2023-11-12 00:58:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:58:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:58:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:58:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:58:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:58:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_install_device [2023-11-12 00:58:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_install_device [2023-11-12 00:58:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure dpt_dma64 [2023-11-12 00:58:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure dpt_dma64 [2023-11-12 00:58:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 00:58:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 00:58:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_to_context [2023-11-12 00:58:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_to_context [2023-11-12 00:58:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:58:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:58:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 00:58:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 00:58:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:58:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:58:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 00:58:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 00:58:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:58:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:58:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_set_state [2023-11-12 00:58:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_set_state [2023-11-12 00:58:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-12 00:58:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-12 00:58:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_online [2023-11-12 00:58:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_online [2023-11-12 00:58:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_this [2023-11-12 00:58:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_this [2023-11-12 00:58:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:58:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:58:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 00:58:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 00:58:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_sys_shutdown [2023-11-12 00:58:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_sys_shutdown [2023-11-12 00:58:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:58:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:58:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:58:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:58:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:58:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_report_hba_unit [2023-11-12 00:58:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_report_hba_unit [2023-11-12 00:58:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-11-12 00:58:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-11-12 00:58:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-12 00:58:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-12 00:58:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:58:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:58:24,268 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:24,272 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:58:24,822 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:58:39,817 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:58:42,868 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:58:42,868 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:58:42,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:42 BoogieIcfgContainer [2023-11-12 00:58:42,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:58:42,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:58:42,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:58:42,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:58:42,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:19" (1/3) ... [2023-11-12 00:58:42,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604db971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:42, skipping insertion in model container [2023-11-12 00:58:42,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:22" (2/3) ... [2023-11-12 00:58:42,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604db971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:42, skipping insertion in model container [2023-11-12 00:58:42,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:42" (3/3) ... [2023-11-12 00:58:42,886 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2023-11-12 00:58:42,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:58:42,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:58:43,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:58:43,024 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;@69263bcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:58:43,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:58:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 1814 states, 1167 states have (on average 1.3607540702656384) internal successors, (1588), 1191 states have internal predecessors, (1588), 567 states have call successors, (567), 79 states have call predecessors, (567), 78 states have return successors, (561), 560 states have call predecessors, (561), 561 states have call successors, (561) [2023-11-12 00:58:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-12 00:58:43,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:43,076 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:43,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:43,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:43,084 INFO L85 PathProgramCache]: Analyzing trace with hash 16782040, now seen corresponding path program 1 times [2023-11-12 00:58:43,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:43,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223303856] [2023-11-12 00:58:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:43,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 00:58:44,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:58:44,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223303856] [2023-11-12 00:58:44,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223303856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:44,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:44,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:58:44,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112726499] [2023-11-12 00:58:44,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:44,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:58:44,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:58:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:58:44,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:58:44,374 INFO L87 Difference]: Start difference. First operand has 1814 states, 1167 states have (on average 1.3607540702656384) internal successors, (1588), 1191 states have internal predecessors, (1588), 567 states have call successors, (567), 79 states have call predecessors, (567), 78 states have return successors, (561), 560 states have call predecessors, (561), 561 states have call successors, (561) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 00:58:46,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:58:50,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:58:52,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:58:56,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:58:56,920 INFO L93 Difference]: Finished difference Result 5199 states and 7863 transitions. [2023-11-12 00:58:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:58:56,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2023-11-12 00:58:56,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:58:57,007 INFO L225 Difference]: With dead ends: 5199 [2023-11-12 00:58:57,007 INFO L226 Difference]: Without dead ends: 3362 [2023-11-12 00:58:57,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:58:57,040 INFO L413 NwaCegarLoop]: 2513 mSDtfsCounter, 2350 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 4962 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:58:57,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 4962 Invalid, 494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 483 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2023-11-12 00:58:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2023-11-12 00:58:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3355. [2023-11-12 00:58:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3355 states, 2163 states have (on average 1.3490522422561257) internal successors, (2918), 2192 states have internal predecessors, (2918), 1042 states have call successors, (1042), 150 states have call predecessors, (1042), 149 states have return successors, (1041), 1039 states have call predecessors, (1041), 1041 states have call successors, (1041) [2023-11-12 00:58:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 3355 states and 5001 transitions. [2023-11-12 00:58:57,503 INFO L78 Accepts]: Start accepts. Automaton has 3355 states and 5001 transitions. Word has length 57 [2023-11-12 00:58:57,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:58:57,504 INFO L495 AbstractCegarLoop]: Abstraction has 3355 states and 5001 transitions. [2023-11-12 00:58:57,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 00:58:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 5001 transitions. [2023-11-12 00:58:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-12 00:58:57,519 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:57,519 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:57,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:58:57,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:57,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:57,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1535646816, now seen corresponding path program 1 times [2023-11-12 00:58:57,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:57,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651024846] [2023-11-12 00:58:57,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:57,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 00:58:58,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:58:58,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651024846] [2023-11-12 00:58:58,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651024846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:58,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:58,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:58:58,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402675006] [2023-11-12 00:58:58,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:58,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:58:58,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:58:58,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:58:58,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:58:58,342 INFO L87 Difference]: Start difference. First operand 3355 states and 5001 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-12 00:59:00,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:02,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:05,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:07,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []