./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--vmw_pvscsi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/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--vmw_pvscsi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire --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 a6081edb60f9c6ed50ae2f2edfb068029f65a703b32e64840408c28b9c1fef5b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:43,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:43,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:31:43,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:43,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:43,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:43,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:43,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:43,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:43,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:43,405 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:43,406 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:43,407 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:43,407 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:43,408 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:43,408 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:43,409 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:43,410 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:43,410 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:43,411 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:43,411 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:43,412 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:43,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:43,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:43,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:43,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:43,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:43,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:43,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:43,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:43,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:43,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:43,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:43,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:43,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:43,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:43,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:43,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:43,422 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:43,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:43,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:43,424 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:43,424 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:43,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:43,425 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_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6081edb60f9c6ed50ae2f2edfb068029f65a703b32e64840408c28b9c1fef5b [2023-11-23 21:31:43,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:43,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:43,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:43,778 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:43,778 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:43,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--vmw_pvscsi.ko-entry_point.cil.out.i [2023-11-23 21:31:46,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:47,568 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:47,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--vmw_pvscsi.ko-entry_point.cil.out.i [2023-11-23 21:31:47,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/data/713410913/d1e42d8be41b4defb8ca66631d815f90/FLAGaa7dcf82c [2023-11-23 21:31:47,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/data/713410913/d1e42d8be41b4defb8ca66631d815f90 [2023-11-23 21:31:47,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:47,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:47,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:47,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:47,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:47,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:47" (1/1) ... [2023-11-23 21:31:47,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4063dcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:47, skipping insertion in model container [2023-11-23 21:31:47,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:47" (1/1) ... [2023-11-23 21:31:47,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:48,448 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4406] [2023-11-23 21:31:48,448 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4407-4408] [2023-11-23 21:31:48,844 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_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--vmw_pvscsi.ko-entry_point.cil.out.i[136345,136358] [2023-11-23 21:31:49,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:49,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:50,053 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4406] [2023-11-23 21:31:50,054 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4407-4408] [2023-11-23 21:31:50,058 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)); [4538-4539] [2023-11-23 21:31:50,060 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"); [4544-4546] [2023-11-23 21:31:50,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4608] [2023-11-23 21:31:50,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4615] [2023-11-23 21:31:50,078 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_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--vmw_pvscsi.ko-entry_point.cil.out.i[136345,136358] [2023-11-23 21:31:50,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [4884-4885] [2023-11-23 21:31:50,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [4913-4914] [2023-11-23 21:31:50,140 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/5480/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/vmw_pvscsi.o.c.prepared"), "i" (387), "i" (12UL)); [5475-5476] [2023-11-23 21:31:50,156 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/5480/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/vmw_pvscsi.o.c.prepared"), "i" (491), "i" (12UL)); [5613-5614] [2023-11-23 21:31:50,157 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/5480/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/vmw_pvscsi.o.c.prepared"), "i" (492), "i" (12UL)); [5621-5622] [2023-11-23 21:31:50,158 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/5480/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/vmw_pvscsi.o.c.prepared"), "i" (493), "i" (12UL)); [5629-5630] [2023-11-23 21:31:50,159 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/5480/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/vmw_pvscsi.o.c.prepared"), "i" (505), "i" (12UL)); [5651-5652] [2023-11-23 21:31:50,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5949] [2023-11-23 21:31:50,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5951] [2023-11-23 21:31:50,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6012] [2023-11-23 21:31:50,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6015] [2023-11-23 21:31:50,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6018] [2023-11-23 21:31:50,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6021] [2023-11-23 21:31:50,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6032] [2023-11-23 21:31:50,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6035] [2023-11-23 21:31:50,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6038] [2023-11-23 21:31:50,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6041] [2023-11-23 21:31:50,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6052] [2023-11-23 21:31:50,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6055] [2023-11-23 21:31:50,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6058] [2023-11-23 21:31:50,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6061] [2023-11-23 21:31:50,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6072] [2023-11-23 21:31:50,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6075] [2023-11-23 21:31:50,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6078] [2023-11-23 21:31:50,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6081] [2023-11-23 21:31:50,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6115] [2023-11-23 21:31:50,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6473] [2023-11-23 21:31:50,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6475] [2023-11-23 21:31:50,307 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/5480/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/vmw_pvscsi.o.c.prepared"), "i" (1332), "i" (12UL)); [6711-6712] [2023-11-23 21:31:50,309 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/5480/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/vmw_pvscsi.o.c.prepared"), "i" (1367), "i" (12UL)); [6763-6764] [2023-11-23 21:31:50,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:50,446 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:50,446 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:50,446 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:50,454 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:50,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50 WrapperNode [2023-11-23 21:31:50,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:50,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:50,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:50,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:50,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:50,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:50,863 INFO L138 Inliner]: procedures = 238, calls = 1531, calls flagged for inlining = 141, calls inlined = 139, statements flattened = 4174 [2023-11-23 21:31:50,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:50,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:50,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:50,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:50,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:50,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:50,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:50,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:51,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:51,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:51,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:51,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:51,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:51,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:51,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:51,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:51,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (1/1) ... [2023-11-23 21:31:51,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:51,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:51,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810ce5c1-c67a-4dd4-a7b9-1400d3a778f1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_dev [2023-11-23 21:31:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_dev [2023-11-23 21:31:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:31:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_complete_request [2023-11-23 21:31:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_complete_request [2023-11-23 21:31:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:31:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:31:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:31:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_process_request_ring [2023-11-23 21:31:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_process_request_ring [2023-11-23 21:31:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_process_completion_ring [2023-11-23 21:31:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_process_completion_ring [2023-11-23 21:31:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_unmap_buffers [2023-11-23 21:31:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_unmap_buffers [2023-11-23 21:31:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:31:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:31:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:31:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:31:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:31:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-23 21:31:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-23 21:31:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-11-23 21:31:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-11-23 21:31:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_reg_write [2023-11-23 21:31:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_reg_write [2023-11-23 21:31:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:31:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:31:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2023-11-23 21:31:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2023-11-23 21:31:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:31:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:31:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_remove [2023-11-23 21:31:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_remove [2023-11-23 21:31:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-23 21:31:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-23 21:31:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:31:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:31:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_release_resources [2023-11-23 21:31:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_release_resources [2023-11-23 21:31:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:31:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:31:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:31:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:31:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_release_context [2023-11-23 21:31:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_release_context [2023-11-23 21:31:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:31:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:31:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:31:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:31:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:31:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:31:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:31:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:31:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:31:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure __pvscsi_shutdown [2023-11-23 21:31:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __pvscsi_shutdown [2023-11-23 21:31:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_write_cmd_desc [2023-11-23 21:31:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_write_cmd_desc [2023-11-23 21:31:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:31:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:31:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:31:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:31:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_reg_read [2023-11-23 21:31:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_reg_read [2023-11-23 21:31:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:31:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:31:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure ll_adapter_reset [2023-11-23 21:31:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_adapter_reset [2023-11-23 21:31:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_shutdown_intr [2023-11-23 21:31:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_shutdown_intr [2023-11-23 21:31:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-23 21:31:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-23 21:31:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:31:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:31:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-23 21:31:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-23 21:31:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:31:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:31:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:31:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:31:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:31:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:31:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:31:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:31:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:31:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:31:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:31:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-23 21:31:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-23 21:31:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:31:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:31:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:31:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:31:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:31:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2023-11-23 21:31:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2023-11-23 21:31:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_msg_pending [2023-11-23 21:31:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_msg_pending [2023-11-23 21:31:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:31:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:31:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:31:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:31:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:31:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_shutdown [2023-11-23 21:31:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_shutdown [2023-11-23 21:31:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2023-11-23 21:31:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2023-11-23 21:31:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:31:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_unmask_intr [2023-11-23 21:31:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_unmask_intr [2023-11-23 21:31:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_map_context [2023-11-23 21:31:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_map_context [2023-11-23 21:31:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:31:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:31:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:31:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:31:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:31:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-23 21:31:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-23 21:31:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_lookup [2023-11-23 21:31:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_lookup [2023-11-23 21:31:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:31:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:31:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure pvscsi_setup_all_rings [2023-11-23 21:31:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pvscsi_setup_all_rings [2023-11-23 21:31:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2023-11-23 21:31:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2023-11-23 21:31:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:31:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:31:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:52,089 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:52,096 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:52,769 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:32:04,251 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:05,638 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:05,638 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:05,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:05 BoogieIcfgContainer [2023-11-23 21:32:05,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:05,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:05,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:05,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:05,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:47" (1/3) ... [2023-11-23 21:32:05,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f320cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:05, skipping insertion in model container [2023-11-23 21:32:05,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:50" (2/3) ... [2023-11-23 21:32:05,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f320cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:05, skipping insertion in model container [2023-11-23 21:32:05,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:05" (3/3) ... [2023-11-23 21:32:05,653 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--vmw_pvscsi.ko-entry_point.cil.out.i [2023-11-23 21:32:05,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:05,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:05,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:05,787 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;@25c63639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:05,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 844 states, 524 states have (on average 1.3435114503816794) internal successors, (704), 548 states have internal predecessors, (704), 261 states have call successors, (261), 58 states have call predecessors, (261), 57 states have return successors, (255), 252 states have call predecessors, (255), 255 states have call successors, (255) [2023-11-23 21:32:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:32:05,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:05,846 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:05,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:05,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash -896073632, now seen corresponding path program 1 times [2023-11-23 21:32:05,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:05,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677911327] [2023-11-23 21:32:05,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:05,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-23 21:32:12,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:12,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677911327] [2023-11-23 21:32:12,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677911327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:12,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:12,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:12,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126802806] [2023-11-23 21:32:12,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:12,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:12,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:12,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:12,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:12,590 INFO L87 Difference]: Start difference. First operand has 844 states, 524 states have (on average 1.3435114503816794) internal successors, (704), 548 states have internal predecessors, (704), 261 states have call successors, (261), 58 states have call predecessors, (261), 57 states have return successors, (255), 252 states have call predecessors, (255), 255 states have call successors, (255) Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:32:14,772 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 [] [2023-11-23 21:32:16,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:19,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:21,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:21,156 INFO L93 Difference]: Finished difference Result 2272 states and 3270 transitions. [2023-11-23 21:32:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:21,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2023-11-23 21:32:21,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:21,208 INFO L225 Difference]: With dead ends: 2272 [2023-11-23 21:32:21,209 INFO L226 Difference]: Without dead ends: 1402 [2023-11-23 21:32:21,219 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 [2023-11-23 21:32:21,222 INFO L413 NwaCegarLoop]: 1203 mSDtfsCounter, 833 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 2263 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:21,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 2263 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 308 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2023-11-23 21:32:21,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2023-11-23 21:32:21,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1402. [2023-11-23 21:32:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 869 states have (on average 1.3130034522439586) internal successors, (1141), 896 states have internal predecessors, (1141), 427 states have call successors, (427), 106 states have call predecessors, (427), 105 states have return successors, (426), 421 states have call predecessors, (426), 426 states have call successors, (426) [2023-11-23 21:32:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1994 transitions. [2023-11-23 21:32:21,473 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1994 transitions. Word has length 174 [2023-11-23 21:32:21,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:21,474 INFO L495 AbstractCegarLoop]: Abstraction has 1402 states and 1994 transitions. [2023-11-23 21:32:21,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:32:21,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1994 transitions. [2023-11-23 21:32:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-23 21:32:21,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:21,503 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:21,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:21,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:21,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:21,507 INFO L85 PathProgramCache]: Analyzing trace with hash 284588950, now seen corresponding path program 1 times [2023-11-23 21:32:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:21,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54139295] [2023-11-23 21:32:21,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:21,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-23 21:32:27,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:27,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54139295] [2023-11-23 21:32:27,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54139295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:27,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:27,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:32:27,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611274094] [2023-11-23 21:32:27,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:27,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:32:27,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:27,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:32:27,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:32:27,361 INFO L87 Difference]: Start difference. First operand 1402 states and 1994 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:32:29,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:31,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:33,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:38,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []