./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7ff003882b08ca56763f284139ca642342f8418a44f2a3d0d99a37ea441af7b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:10:41,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:10:42,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:10:42,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:10:42,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:10:42,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:10:42,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:10:42,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:10:42,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:10:42,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:10:42,091 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:10:42,092 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:10:42,093 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:10:42,094 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:10:42,094 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:10:42,095 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:10:42,096 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:10:42,096 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:10:42,097 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:10:42,098 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:10:42,098 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:10:42,099 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:10:42,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:10:42,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:10:42,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:10:42,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:10:42,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:10:42,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:10:42,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:10:42,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:10:42,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:10:42,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:10:42,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:10:42,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:42,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:10:42,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:10:42,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:10:42,111 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:10:42,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:10:42,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:10:42,113 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:10:42,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:10:42,115 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_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff003882b08ca56763f284139ca642342f8418a44f2a3d0d99a37ea441af7b9 [2023-11-19 05:10:42,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:10:42,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:10:42,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:10:42,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:10:42,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:10:42,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2023-11-19 05:10:46,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:46,766 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:46,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2023-11-19 05:10:46,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/data/1c89264e9/b4ac2c77f0f7474993b541fc4bd74eca/FLAG23b7b3293 [2023-11-19 05:10:46,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/data/1c89264e9/b4ac2c77f0f7474993b541fc4bd74eca [2023-11-19 05:10:46,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:46,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:46,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:46,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:46,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:46,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:46" (1/1) ... [2023-11-19 05:10:46,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c8b63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:46, skipping insertion in model container [2023-11-19 05:10:46,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:46" (1/1) ... [2023-11-19 05:10:47,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:47,772 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-19 05:10:47,774 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-19 05:10:49,772 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_dce918c9-ab88-48c7-b7d1-1c4183feb92f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[330115,330128] [2023-11-19 05:10:49,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:49,874 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:10:50,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5598] [2023-11-19 05:10:50,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5605] [2023-11-19 05:10:50,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5613-5614] [2023-11-19 05:10:50,050 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-19 05:10:50,051 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-19 05:10:50,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5815] [2023-11-19 05:10:50,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5822] [2023-11-19 05:10:50,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5830] [2023-11-19 05:10:50,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5837] [2023-11-19 05:10:50,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5845] [2023-11-19 05:10:50,075 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)); [6015-6016] [2023-11-19 05:10:50,080 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)); [6044-6045] [2023-11-19 05:10:50,083 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" (108), "i" (12UL)); [6074-6075] [2023-11-19 05:10:50,084 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" (120), "i" (12UL)); [6104-6105] [2023-11-19 05:10:50,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (507), "i" (12UL)); [6366-6367] [2023-11-19 05:10:50,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6372] [2023-11-19 05:10:50,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6543] [2023-11-19 05:10:50,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6546] [2023-11-19 05:10:50,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6549] [2023-11-19 05:10:50,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6552] [2023-11-19 05:10:50,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6563] [2023-11-19 05:10:50,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6566] [2023-11-19 05:10:50,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6569] [2023-11-19 05:10:50,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6572] [2023-11-19 05:10:50,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6583] [2023-11-19 05:10:50,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6586] [2023-11-19 05:10:50,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6589] [2023-11-19 05:10:50,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6592] [2023-11-19 05:10:50,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6603] [2023-11-19 05:10:50,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6606] [2023-11-19 05:10:50,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6609] [2023-11-19 05:10:50,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6612] [2023-11-19 05:10:50,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7150] [2023-11-19 05:10:50,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7592] [2023-11-19 05:10:50,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7612] [2023-11-19 05:10:50,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7618] [2023-11-19 05:10:50,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7641] [2023-11-19 05:10:50,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7978] [2023-11-19 05:10:50,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9265] [2023-11-19 05:10:50,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9325] [2023-11-19 05:10:50,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9343] [2023-11-19 05:10:50,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9355] [2023-11-19 05:10:50,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9377] [2023-11-19 05:10:50,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9540] [2023-11-19 05:10:50,507 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_dce918c9-ab88-48c7-b7d1-1c4183feb92f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[330115,330128] [2023-11-19 05:10:50,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:50,810 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:50,811 WARN L675 CHandler]: The function ldv_assume is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:50,811 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:50,819 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:10:50,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50 WrapperNode [2023-11-19 05:10:50,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:50,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:50,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:10:50,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:10:50,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,286 INFO L138 Inliner]: procedures = 329, calls = 2740, calls flagged for inlining = 161, calls inlined = 142, statements flattened = 7626 [2023-11-19 05:10:51,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:51,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:10:51,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:10:51,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:10:51,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:10:51,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:10:51,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:10:51,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:10:51,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (1/1) ... [2023-11-19 05:10:51,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:51,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:10:51,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce918c9-ab88-48c7-b7d1-1c4183feb92f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:10:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:10:51,923 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:10:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 05:10:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 05:10:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-19 05:10:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-19 05:10:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:10:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:10:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:10:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:10:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_rap [2023-11-19 05:10:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_rap [2023-11-19 05:10:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:10:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:10:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 05:10:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 05:10:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-19 05:10:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-19 05:10:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-19 05:10:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-19 05:10:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 05:10:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 05:10:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_ioctl [2023-11-19 05:10:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_ioctl [2023-11-19 05:10:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:10:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:10:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:10:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:10:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 05:10:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:10:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:10:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-19 05:10:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-19 05:10:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:10:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:10:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-19 05:10:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-19 05:10:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:10:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:10:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:10:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:10:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:10:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:10:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-19 05:10:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-19 05:10:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:10:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:10:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 05:10:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 05:10:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:10:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:10:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 05:10:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 05:10:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 05:10:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 05:10:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 05:10:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 05:10:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 05:10:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 05:10:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-19 05:10:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-19 05:10:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-19 05:10:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-19 05:10:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-19 05:10:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-19 05:10:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-19 05:10:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-19 05:10:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:10:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:10:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:10:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-19 05:10:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-19 05:10:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 05:10:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 05:10:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 05:10:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 05:10:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:10:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 05:10:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 05:10:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:10:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:10:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:10:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:10:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 05:10:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 05:10:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:10:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:10:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:10:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:10:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:10:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:10:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:10:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:10:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-19 05:10:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-19 05:10:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-19 05:10:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-19 05:10:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:10:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:10:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-19 05:10:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-19 05:10:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 05:10:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 05:10:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 05:10:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 05:10:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:10:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:10:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-19 05:10:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-19 05:10:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 05:10:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 05:10:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 05:10:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 05:10:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-19 05:10:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-19 05:10:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:10:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:10:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_stats [2023-11-19 05:10:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_stats [2023-11-19 05:10:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 05:10:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 05:10:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-19 05:10:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-19 05:10:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:10:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-19 05:10:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-19 05:10:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:10:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:10:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-19 05:10:51,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-19 05:10:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-19 05:10:51,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-19 05:10:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:10:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:10:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-19 05:10:51,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-19 05:10:51,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 05:10:51,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 05:10:51,969 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-19 05:10:51,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-19 05:10:51,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2023-11-19 05:10:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2023-11-19 05:10:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:10:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_rap [2023-11-19 05:10:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_rap [2023-11-19 05:10:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 05:10:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 05:10:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:10:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:10:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:10:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:10:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 05:10:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 05:10:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-19 05:10:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-19 05:10:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-19 05:10:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-19 05:10:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:10:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:10:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:10:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:10:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-19 05:10:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-19 05:10:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-19 05:10:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-19 05:10:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 05:10:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 05:10:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:10:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:10:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:10:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:10:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:10:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:10:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:10:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-19 05:10:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-19 05:10:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 05:10:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 05:10:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-19 05:10:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-19 05:10:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 05:10:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 05:10:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:10:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:10:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:10:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:10:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-19 05:10:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-19 05:10:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:10:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:10:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:10:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 05:10:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 05:10:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-19 05:10:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-19 05:10:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-19 05:10:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-19 05:10:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:10:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 05:10:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 05:10:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:10:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:10:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:10:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:10:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:10:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:10:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-19 05:10:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-19 05:10:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 05:10:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 05:10:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 05:10:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 05:10:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-19 05:10:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-19 05:10:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-19 05:10:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-19 05:10:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-19 05:10:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-19 05:10:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-19 05:10:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-19 05:10:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:10:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:10:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-19 05:10:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-19 05:10:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 05:10:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 05:10:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 05:10:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 05:10:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 05:10:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 05:10:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:10:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:10:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-19 05:10:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-19 05:10:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 05:10:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 05:10:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 05:10:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 05:10:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 05:10:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 05:10:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:10:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 05:10:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 05:10:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-19 05:10:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-19 05:10:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 05:10:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 05:10:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 05:10:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 05:10:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 05:10:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 05:10:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:10:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:10:53,104 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:10:53,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:10:53,475 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:11:09,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:11:14,039 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:11:14,039 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 05:11:14,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:14 BoogieIcfgContainer [2023-11-19 05:11:14,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:11:14,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:11:14,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:11:14,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:11:14,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:10:46" (1/3) ... [2023-11-19 05:11:14,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b3b725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:14, skipping insertion in model container [2023-11-19 05:11:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:50" (2/3) ... [2023-11-19 05:11:14,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b3b725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:14, skipping insertion in model container [2023-11-19 05:11:14,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:14" (3/3) ... [2023-11-19 05:11:14,076 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2023-11-19 05:11:14,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:11:14,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:11:14,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:11:14,249 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;@298b5241, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:11:14,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:11:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 2075 states, 1290 states have (on average 1.3449612403100775) internal successors, (1735), 1353 states have internal predecessors, (1735), 669 states have call successors, (669), 117 states have call predecessors, (669), 116 states have return successors, (660), 652 states have call predecessors, (660), 660 states have call successors, (660) [2023-11-19 05:11:14,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-19 05:11:14,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:14,330 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:11:14,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:11:14,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:14,337 INFO L85 PathProgramCache]: Analyzing trace with hash 624485306, now seen corresponding path program 1 times [2023-11-19 05:11:14,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:14,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423463525] [2023-11-19 05:11:14,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:14,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4617 trivial. 0 not checked. [2023-11-19 05:11:16,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:16,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423463525] [2023-11-19 05:11:16,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423463525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:16,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:16,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:11:16,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302592830] [2023-11-19 05:11:16,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:16,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:11:16,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:16,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:11:16,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:16,981 INFO L87 Difference]: Start difference. First operand has 2075 states, 1290 states have (on average 1.3449612403100775) internal successors, (1735), 1353 states have internal predecessors, (1735), 669 states have call successors, (669), 117 states have call predecessors, (669), 116 states have return successors, (660), 652 states have call predecessors, (660), 660 states have call successors, (660) Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-11-19 05:11:18,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:11:19,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:11:21,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:11:25,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:11:27,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:11:29,196 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 [] [2023-11-19 05:11:30,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:30,024 INFO L93 Difference]: Finished difference Result 5574 states and 8249 transitions. [2023-11-19 05:11:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:11:30,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 508 [2023-11-19 05:11:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:30,166 INFO L225 Difference]: With dead ends: 5574 [2023-11-19 05:11:30,167 INFO L226 Difference]: Without dead ends: 3539 [2023-11-19 05:11:30,225 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 [2023-11-19 05:11:30,248 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 2331 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:30,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 5315 Invalid, 688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 684 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2023-11-19 05:11:30,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2023-11-19 05:11:30,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3536. [2023-11-19 05:11:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 2211 states have (on average 1.336951605608322) internal successors, (2956), 2292 states have internal predecessors, (2956), 1101 states have call successors, (1101), 224 states have call predecessors, (1101), 223 states have return successors, (1100), 1086 states have call predecessors, (1100), 1100 states have call successors, (1100) [2023-11-19 05:11:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 5157 transitions. [2023-11-19 05:11:30,778 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 5157 transitions. Word has length 508 [2023-11-19 05:11:30,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:30,788 INFO L495 AbstractCegarLoop]: Abstraction has 3536 states and 5157 transitions. [2023-11-19 05:11:30,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-11-19 05:11:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 5157 transitions. [2023-11-19 05:11:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2023-11-19 05:11:30,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:30,829 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:11:30,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:11:30,831 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:11:30,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1867592188, now seen corresponding path program 1 times [2023-11-19 05:11:30,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:30,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059247776] [2023-11-19 05:11:30,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:30,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat