./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--atheros--atl1e--atl1e.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_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:08,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:08,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:39:08,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:08,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:08,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:08,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:08,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:08,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:08,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:08,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:08,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:08,844 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:08,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:08,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:08,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:08,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:08,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:08,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:08,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:08,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:08,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:08,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:08,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:08,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:08,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:08,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:08,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:08,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:08,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:08,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:08,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:08,856 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:08,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:08,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:08,857 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:08,857 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2023-11-19 07:39:09,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:09,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:09,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:09,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:09,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:09,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2023-11-19 07:39:12,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:13,161 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:13,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2023-11-19 07:39:13,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/data/4f6d76f62/19c12f92301b4e02bdadac1eb378b717/FLAG1dc3109ef [2023-11-19 07:39:13,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/data/4f6d76f62/19c12f92301b4e02bdadac1eb378b717 [2023-11-19 07:39:13,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:13,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:13,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:13,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:13,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:13,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:13" (1/1) ... [2023-11-19 07:39:13,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596ff8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:13, skipping insertion in model container [2023-11-19 07:39:13,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:13" (1/1) ... [2023-11-19 07:39:13,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:17,202 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_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2023-11-19 07:39:17,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:17,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:17,549 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"); [6540] [2023-11-19 07:39:17,552 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)); [6547] [2023-11-19 07:39:17,553 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"); [6555-6556] [2023-11-19 07:39:17,558 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; incl %0": "+m" (v->counter)); [6699] [2023-11-19 07:39:17,558 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; decl %0": "+m" (v->counter)); [6706] [2023-11-19 07:39:17,559 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6714-6715] [2023-11-19 07:39:17,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6726] [2023-11-19 07:39:17,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6729] [2023-11-19 07:39:17,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6732] [2023-11-19 07:39:17,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6735] [2023-11-19 07:39:17,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6822] [2023-11-19 07:39:17,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6830] [2023-11-19 07:39:17,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6837] [2023-11-19 07:39:17,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6844] [2023-11-19 07:39:17,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6851] [2023-11-19 07:39:17,587 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)); [7086-7087] [2023-11-19 07:39:17,590 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)); [7115-7116] [2023-11-19 07:39:17,593 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" (84), "i" (12UL)); [7149-7150] [2023-11-19 07:39:17,595 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" (96), "i" (12UL)); [7173-7174] [2023-11-19 07:39:17,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [7309] [2023-11-19 07:39:17,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [7317-7318] [2023-11-19 07:39:17,615 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)); [7648-7649] [2023-11-19 07:39:17,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7654] [2023-11-19 07:39:17,766 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10498/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c"), "i" (1803), "i" (12UL)); [9892-9893] [2023-11-19 07:39:17,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9952] [2023-11-19 07:39:17,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [12313] [2023-11-19 07:39:17,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [12328] [2023-11-19 07:39:17,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12561] [2023-11-19 07:39:17,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12571] [2023-11-19 07:39:17,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12594] [2023-11-19 07:39:17,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12604] [2023-11-19 07:39:17,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12860] [2023-11-19 07:39:18,008 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10498/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/atheros/atl1e/atl1e_param.c"), "i" (163), "i" (12UL)); [14020-14021] [2023-11-19 07:39:18,021 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_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2023-11-19 07:39:18,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:18,348 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:18,356 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:18,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18 WrapperNode [2023-11-19 07:39:18,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:18,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:18,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:18,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:18,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:18,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:18,943 INFO L138 Inliner]: procedures = 464, calls = 3213, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 8788 [2023-11-19 07:39:18,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:18,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:18,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:18,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:18,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:18,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:19,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:19,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:19,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:19,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (1/1) ... [2023-11-19 07:39:19,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:19,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:19,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:19,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 07:39:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 07:39:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:39:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:39:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2023-11-19 07:39:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2023-11-19 07:39:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:39:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:39:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2023-11-19 07:39:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2023-11-19 07:39:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-19 07:39:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-19 07:39:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:39:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:39:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:39:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:39:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:39:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:39:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2023-11-19 07:39:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2023-11-19 07:39:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-19 07:39:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-19 07:39:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2023-11-19 07:39:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2023-11-19 07:39:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2023-11-19 07:39:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2023-11-19 07:39:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-19 07:39:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-19 07:39:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 07:39:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 07:39:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:39:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:39:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:39:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:39:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 07:39:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 07:39:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:39:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:39:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2023-11-19 07:39:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2023-11-19 07:39:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2023-11-19 07:39:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2023-11-19 07:39:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 07:39:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 07:39:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:39:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:39:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2023-11-19 07:39:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2023-11-19 07:39:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:39:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:39:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 07:39:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 07:39:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:39:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:39:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:39:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:39:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2023-11-19 07:39:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2023-11-19 07:39:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 07:39:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 07:39:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-19 07:39:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-19 07:39:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:39:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-19 07:39:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-19 07:39:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2023-11-19 07:39:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2023-11-19 07:39:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 07:39:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 07:39:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2023-11-19 07:39:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2023-11-19 07:39:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-19 07:39:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-19 07:39:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:39:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:39:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 07:39:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 07:39:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:39:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:39:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:39:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2023-11-19 07:39:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2023-11-19 07:39:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:39:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:39:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:39:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:39:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2023-11-19 07:39:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2023-11-19 07:39:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:39:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2023-11-19 07:39:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2023-11-19 07:39:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:39:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:39:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:39:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-19 07:39:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-19 07:39:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:39:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:39:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-19 07:39:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-19 07:39:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-19 07:39:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-19 07:39:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:39:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:39:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2023-11-19 07:39:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2023-11-19 07:39:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 07:39:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 07:39:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:39:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:39:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2023-11-19 07:39:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2023-11-19 07:39:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:39:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:39:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:39:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2023-11-19 07:39:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2023-11-19 07:39:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 07:39:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 07:39:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2023-11-19 07:39:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2023-11-19 07:39:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:39:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:39:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:39:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:39:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 07:39:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 07:39:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2023-11-19 07:39:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2023-11-19 07:39:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-19 07:39:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-19 07:39:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2023-11-19 07:39:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2023-11-19 07:39:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 07:39:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 07:39:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 07:39:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 07:39:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:39:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:39:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2023-11-19 07:39:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2023-11-19 07:39:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2023-11-19 07:39:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2023-11-19 07:39:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-19 07:39:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-19 07:39:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:39:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:39:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:39:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:39:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2023-11-19 07:39:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2023-11-19 07:39:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-19 07:39:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-19 07:39:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-19 07:39:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-19 07:39:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-19 07:39:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-19 07:39:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:39:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:39:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:39:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:39:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:39:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:39:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 07:39:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 07:39:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:39:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:39:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 07:39:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 07:39:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2023-11-19 07:39:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2023-11-19 07:39:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2023-11-19 07:39:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2023-11-19 07:39:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:39:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:39:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 07:39:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 07:39:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-19 07:39:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-19 07:39:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 07:39:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 07:39:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2023-11-19 07:39:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2023-11-19 07:39:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:39:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:39:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:39:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:39:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2023-11-19 07:39:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2023-11-19 07:39:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2023-11-19 07:39:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2023-11-19 07:39:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:39:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:39:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:39:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:39:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 07:39:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 07:39:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-19 07:39:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-19 07:39:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:39:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:39:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:39:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-19 07:39:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-19 07:39:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:39:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:39:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2023-11-19 07:39:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2023-11-19 07:39:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:39:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2023-11-19 07:39:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2023-11-19 07:39:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2023-11-19 07:39:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2023-11-19 07:39:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:39:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:39:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 07:39:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 07:39:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2023-11-19 07:39:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2023-11-19 07:39:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:39:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-11-19 07:39:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-11-19 07:39:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:39:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:39:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2023-11-19 07:39:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2023-11-19 07:39:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 07:39:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 07:39:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:39:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:39:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:39:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:39:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-19 07:39:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-19 07:39:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:39:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:39:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:39:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:39:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 07:39:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 07:39:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:39:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:39:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2023-11-19 07:39:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2023-11-19 07:39:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2023-11-19 07:39:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2023-11-19 07:39:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2023-11-19 07:39:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2023-11-19 07:39:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2023-11-19 07:39:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2023-11-19 07:39:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2023-11-19 07:39:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2023-11-19 07:39:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:39:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:39:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-11-19 07:39:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-11-19 07:39:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:39:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:39:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-11-19 07:39:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-11-19 07:39:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-19 07:39:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-19 07:39:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2023-11-19 07:39:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2023-11-19 07:39:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:39:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:39:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:39:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2023-11-19 07:39:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2023-11-19 07:39:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2023-11-19 07:39:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2023-11-19 07:39:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:39:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:39:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2023-11-19 07:39:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2023-11-19 07:39:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2023-11-19 07:39:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2023-11-19 07:39:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:39:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:39:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:39:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:39:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 07:39:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 07:39:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2023-11-19 07:39:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2023-11-19 07:39:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 07:39:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 07:39:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2023-11-19 07:39:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2023-11-19 07:39:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:39:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:39:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2023-11-19 07:39:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2023-11-19 07:39:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2023-11-19 07:39:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2023-11-19 07:39:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 07:39:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 07:39:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 07:39:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 07:39:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2023-11-19 07:39:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2023-11-19 07:39:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 07:39:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 07:39:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 07:39:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 07:39:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2023-11-19 07:39:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2023-11-19 07:39:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-19 07:39:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-19 07:39:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:39:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:39:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 07:39:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 07:39:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-19 07:39:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-19 07:39:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2023-11-19 07:39:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2023-11-19 07:39:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2023-11-19 07:39:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2023-11-19 07:39:20,727 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:20,732 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:21,288 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:39:33,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:33,794 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:33,794 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:39:33,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:33 BoogieIcfgContainer [2023-11-19 07:39:33,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:33,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:33,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:33,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:33,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:13" (1/3) ... [2023-11-19 07:39:33,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d04d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:33, skipping insertion in model container [2023-11-19 07:39:33,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:18" (2/3) ... [2023-11-19 07:39:33,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d04d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:33, skipping insertion in model container [2023-11-19 07:39:33,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:33" (3/3) ... [2023-11-19 07:39:33,826 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2023-11-19 07:39:33,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:33,848 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:39:33,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:34,005 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=PETRI_NET, 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;@25d12c6b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:34,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:39:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 3284 states, 2372 states have (on average 1.397133220910624) internal successors, (3314), 2419 states have internal predecessors, (3314), 758 states have call successors, (758), 153 states have call predecessors, (758), 152 states have return successors, (747), 737 states have call predecessors, (747), 747 states have call successors, (747) [2023-11-19 07:39:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 07:39:34,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:34,079 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:34,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:34,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:34,087 INFO L85 PathProgramCache]: Analyzing trace with hash -511203376, now seen corresponding path program 1 times [2023-11-19 07:39:34,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:34,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350612718] [2023-11-19 07:39:34,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:34,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:34,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:34,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350612718] [2023-11-19 07:39:34,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:39:34,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172950296] [2023-11-19 07:39:34,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:34,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:34,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:34,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:34,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:39:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:36,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:39:36,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-19 07:39:36,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:36,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172950296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:36,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:36,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:39:36,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469791341] [2023-11-19 07:39:36,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:36,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:39:36,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:36,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:39:36,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:36,675 INFO L87 Difference]: Start difference. First operand has 3284 states, 2372 states have (on average 1.397133220910624) internal successors, (3314), 2419 states have internal predecessors, (3314), 758 states have call successors, (758), 153 states have call predecessors, (758), 152 states have return successors, (747), 737 states have call predecessors, (747), 747 states have call successors, (747) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:39:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:37,038 INFO L93 Difference]: Finished difference Result 6563 states and 9760 transitions. [2023-11-19 07:39:37,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:39:37,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2023-11-19 07:39:37,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:37,102 INFO L225 Difference]: With dead ends: 6563 [2023-11-19 07:39:37,108 INFO L226 Difference]: Without dead ends: 3255 [2023-11-19 07:39:37,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:37,152 INFO L413 NwaCegarLoop]: 4752 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4752 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:37,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4752 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:37,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2023-11-19 07:39:37,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 3255. [2023-11-19 07:39:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3255 states, 2356 states have (on average 1.3637521222410867) internal successors, (3213), 2390 states have internal predecessors, (3213), 747 states have call successors, (747), 152 states have call predecessors, (747), 151 states have return successors, (746), 736 states have call predecessors, (746), 746 states have call successors, (746) [2023-11-19 07:39:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 4706 transitions. [2023-11-19 07:39:37,492 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 4706 transitions. Word has length 176 [2023-11-19 07:39:37,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:37,493 INFO L495 AbstractCegarLoop]: Abstraction has 3255 states and 4706 transitions. [2023-11-19 07:39:37,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:39:37,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 4706 transitions. [2023-11-19 07:39:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 07:39:37,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:37,513 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:37,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:37,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:39:37,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:37,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash 887839704, now seen corresponding path program 1 times [2023-11-19 07:39:37,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:37,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152554563] [2023-11-19 07:39:37,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:37,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:38,032 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:39:38,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [807483717] [2023-11-19 07:39:38,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:38,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:38,038 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:39:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:39,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:39:39,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-11-19 07:39:39,564 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:39,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:39,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152554563] [2023-11-19 07:39:39,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:39:39,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807483717] [2023-11-19 07:39:39,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807483717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:39,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:39,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:39:39,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418850413] [2023-11-19 07:39:39,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:39,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:39:39,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:39,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:39,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:39,569 INFO L87 Difference]: Start difference. First operand 3255 states and 4706 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 07:39:39,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:39,749 INFO L93 Difference]: Finished difference Result 3259 states and 4710 transitions. [2023-11-19 07:39:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:39,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 176 [2023-11-19 07:39:39,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:39,779 INFO L225 Difference]: With dead ends: 3259 [2023-11-19 07:39:39,779 INFO L226 Difference]: Without dead ends: 3256 [2023-11-19 07:39:39,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 174 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 07:39:39,784 INFO L413 NwaCegarLoop]: 4705 mSDtfsCounter, 0 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9405 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:39,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9405 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:39,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3256 states. [2023-11-19 07:39:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3256 to 3256. [2023-11-19 07:39:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3256 states, 2357 states have (on average 1.3635977938056851) internal successors, (3214), 2391 states have internal predecessors, (3214), 747 states have call successors, (747), 152 states have call predecessors, (747), 151 states have return successors, (746), 736 states have call predecessors, (746), 746 states have call successors, (746) [2023-11-19 07:39:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 3256 states and 4707 transitions. [2023-11-19 07:39:39,975 INFO L78 Accepts]: Start accepts. Automaton has 3256 states and 4707 transitions. Word has length 176 [2023-11-19 07:39:39,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:39,976 INFO L495 AbstractCegarLoop]: Abstraction has 3256 states and 4707 transitions. [2023-11-19 07:39:39,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 07:39:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 4707 transitions. [2023-11-19 07:39:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 07:39:39,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:39,985 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:40,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:40,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:40,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:40,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:40,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2105237699, now seen corresponding path program 1 times [2023-11-19 07:39:40,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:40,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227109985] [2023-11-19 07:39:40,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:40,406 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:39:40,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482268513] [2023-11-19 07:39:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:40,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:40,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:40,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:39:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:41,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 3264 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:39:41,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-11-19 07:39:41,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:41,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:41,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227109985] [2023-11-19 07:39:41,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:39:41,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482268513] [2023-11-19 07:39:41,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482268513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:41,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:41,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:39:41,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199875142] [2023-11-19 07:39:41,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:41,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:39:42,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:42,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:42,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:42,001 INFO L87 Difference]: Start difference. First operand 3256 states and 4707 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:39:42,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:42,585 INFO L93 Difference]: Finished difference Result 8968 states and 12984 transitions. [2023-11-19 07:39:42,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:42,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 178 [2023-11-19 07:39:42,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:42,639 INFO L225 Difference]: With dead ends: 8968 [2023-11-19 07:39:42,640 INFO L226 Difference]: Without dead ends: 5743 [2023-11-19 07:39:42,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 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 07:39:42,664 INFO L413 NwaCegarLoop]: 4670 mSDtfsCounter, 3622 mSDsluCounter, 4530 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 9200 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:42,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3622 Valid, 9200 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:39:42,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5743 states. [2023-11-19 07:39:42,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5743 to 5695. [2023-11-19 07:39:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5695 states, 4155 states have (on average 1.3677496991576414) internal successors, (5683), 4220 states have internal predecessors, (5683), 1273 states have call successors, (1273), 268 states have call predecessors, (1273), 266 states have return successors, (1272), 1246 states have call predecessors, (1272), 1272 states have call successors, (1272) [2023-11-19 07:39:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5695 states to 5695 states and 8228 transitions. [2023-11-19 07:39:43,021 INFO L78 Accepts]: Start accepts. Automaton has 5695 states and 8228 transitions. Word has length 178 [2023-11-19 07:39:43,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:43,022 INFO L495 AbstractCegarLoop]: Abstraction has 5695 states and 8228 transitions. [2023-11-19 07:39:43,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:39:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 8228 transitions. [2023-11-19 07:39:43,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-19 07:39:43,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:43,038 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:43,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:43,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74a37fb-20e0-4e3b-b055-46b4d3ade31b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:43,254 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:43,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:43,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1392007649, now seen corresponding path program 1 times [2023-11-19 07:39:43,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:43,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854385783] [2023-11-19 07:39:43,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:43,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:39:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:39:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:39:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:39:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:39:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:39:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:39:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:39:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:39:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-19 07:39:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-19 07:39:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:39:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-19 07:39:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-19 07:39:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-19 07:39:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2023-11-19 07:39:44,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:44,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854385783] [2023-11-19 07:39:44,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854385783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:44,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:44,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:39:44,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061032715] [2023-11-19 07:39:44,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:44,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:39:44,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:44,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:39:44,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:39:44,863 INFO L87 Difference]: Start difference. First operand 5695 states and 8228 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:39:51,862 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 07:39:53,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:39:55,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []