./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--atm--idt77252.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/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_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/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--atm--idt77252.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/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_58622dc4-5d9f-41a3-8e42-7eca930be2c8/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 fb0fc86f72cdfe1a837f7da7eb551fccd91d133ec18be371191e60cc97080830 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:11,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:11,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:04:11,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:11,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:11,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:11,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:11,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:11,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:11,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:11,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:11,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:11,732 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:11,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:11,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:11,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:11,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:11,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:11,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:11,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:11,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:11,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:11,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:11,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:11,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:11,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:11,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:11,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:11,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:11,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:11,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:11,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:11,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:11,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:11,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:11,743 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:11,743 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_58622dc4-5d9f-41a3-8e42-7eca930be2c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0fc86f72cdfe1a837f7da7eb551fccd91d133ec18be371191e60cc97080830 [2023-11-19 08:04:12,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:12,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:12,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:12,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:12,104 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:12,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2023-11-19 08:04:15,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:15,950 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:15,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2023-11-19 08:04:16,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/data/0d74c9d64/bda1f7719f854cfbb86d0a7440576583/FLAG49303e353 [2023-11-19 08:04:16,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/data/0d74c9d64/bda1f7719f854cfbb86d0a7440576583 [2023-11-19 08:04:16,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:16,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:16,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:16,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:16,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:16,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:16" (1/1) ... [2023-11-19 08:04:16,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5159813f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:16, skipping insertion in model container [2023-11-19 08:04:16,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:16" (1/1) ... [2023-11-19 08:04:16,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:18,881 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_58622dc4-5d9f-41a3-8e42-7eca930be2c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i[367978,367991] [2023-11-19 08:04:18,924 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 08:04:18,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:19,059 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:19,173 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"); [6380] [2023-11-19 08:04:19,175 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)); [6387] [2023-11-19 08:04:19,176 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"); [6395-6396] [2023-11-19 08:04:19,177 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6404-6405] [2023-11-19 08:04:19,181 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6541] [2023-11-19 08:04:19,181 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)); [6548] [2023-11-19 08:04:19,182 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)); [6555] [2023-11-19 08:04:19,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6659] [2023-11-19 08:04:19,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6666] [2023-11-19 08:04:19,202 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)); [6858-6859] [2023-11-19 08:04:19,204 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)); [6887-6888] [2023-11-19 08:04:19,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6917-6918] [2023-11-19 08:04:19,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6947-6948] [2023-11-19 08:04:19,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7178] [2023-11-19 08:04:19,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7181] [2023-11-19 08:04:19,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7183] [2023-11-19 08:04:19,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7188] [2023-11-19 08:04:19,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7191] [2023-11-19 08:04:19,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7193] [2023-11-19 08:04:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7198] [2023-11-19 08:04:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7201] [2023-11-19 08:04:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7203] [2023-11-19 08:04:19,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7208] [2023-11-19 08:04:19,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7211] [2023-11-19 08:04:19,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7213] [2023-11-19 08:04:19,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7226] [2023-11-19 08:04:19,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7229] [2023-11-19 08:04:19,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7231] [2023-11-19 08:04:19,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7236] [2023-11-19 08:04:19,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7239] [2023-11-19 08:04:19,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7241] [2023-11-19 08:04:19,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7246] [2023-11-19 08:04:19,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7249] [2023-11-19 08:04:19,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7251] [2023-11-19 08:04:19,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7256] [2023-11-19 08:04:19,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7259] [2023-11-19 08:04:19,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7261] [2023-11-19 08:04:19,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7274] [2023-11-19 08:04:19,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7277] [2023-11-19 08:04:19,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7279] [2023-11-19 08:04:19,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7284] [2023-11-19 08:04:19,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7287] [2023-11-19 08:04:19,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7289] [2023-11-19 08:04:19,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7294] [2023-11-19 08:04:19,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7297] [2023-11-19 08:04:19,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7299] [2023-11-19 08:04:19,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7304] [2023-11-19 08:04:19,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7307] [2023-11-19 08:04:19,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7309] [2023-11-19 08:04:19,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7322] [2023-11-19 08:04:19,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7325] [2023-11-19 08:04:19,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7327] [2023-11-19 08:04:19,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7332] [2023-11-19 08:04:19,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7335] [2023-11-19 08:04:19,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7337] [2023-11-19 08:04:19,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7342] [2023-11-19 08:04:19,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7345] [2023-11-19 08:04:19,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7347] [2023-11-19 08:04:19,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7352] [2023-11-19 08:04:19,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7355] [2023-11-19 08:04:19,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7357] [2023-11-19 08:04:19,670 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_58622dc4-5d9f-41a3-8e42-7eca930be2c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i[367978,367991] [2023-11-19 08:04:19,676 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 08:04:19,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:19,966 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:19,967 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:19,967 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:19,967 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:19,985 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:19,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19 WrapperNode [2023-11-19 08:04:19,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:19,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:19,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:19,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:19,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,506 INFO L138 Inliner]: procedures = 307, calls = 3394, calls flagged for inlining = 138, calls inlined = 132, statements flattened = 8658 [2023-11-19 08:04:20,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:20,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:20,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:20,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:20,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:20,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:21,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:21,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:21,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:21,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:21,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (1/1) ... [2023-11-19 08:04:21,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:21,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:21,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:21,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58622dc4-5d9f-41a3-8e42-7eca930be2c8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2023-11-19 08:04:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2023-11-19 08:04:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-19 08:04:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-19 08:04:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_remove [2023-11-19 08:04:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_remove [2023-11-19 08:04:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:04:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:04:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:04:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:04:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:04:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:04:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 08:04:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 08:04:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 08:04:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 08:04:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:04:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_pool_skb [2023-11-19 08:04:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_pool_skb [2023-11-19 08:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 08:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 08:04:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 08:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_skb [2023-11-19 08:04:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_skb [2023-11-19 08:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_softint [2023-11-19 08:04:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_softint [2023-11-19 08:04:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:04:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:04:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:04:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:04:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2023-11-19 08:04:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2023-11-19 08:04:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-19 08:04:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-19 08:04:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 08:04:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 08:04:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 08:04:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 08:04:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure atm_pcr_goal [2023-11-19 08:04:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_pcr_goal [2023-11-19 08:04:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rx [2023-11-19 08:04:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rx [2023-11-19 08:04:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 08:04:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 08:04:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:04:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:04:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-11-19 08:04:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-11-19 08:04:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_oam [2023-11-19 08:04:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_oam [2023-11-19 08:04:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure push_on_scq [2023-11-19 08:04:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure push_on_scq [2023-11-19 08:04:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 08:04:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 08:04:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 08:04:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 08:04:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_dev_close [2023-11-19 08:04:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_dev_close [2023-11-19 08:04:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure read_sram [2023-11-19 08:04:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure read_sram [2023-11-19 08:04:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send [2023-11-19 08:04:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send [2023-11-19 08:04:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:04:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:04:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2023-11-19 08:04:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2023-11-19 08:04:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 08:04:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 08:04:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-19 08:04:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-19 08:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 08:04:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 08:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_close [2023-11-19 08:04:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_close [2023-11-19 08:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_skb [2023-11-19 08:04:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_skb [2023-11-19 08:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_cbr [2023-11-19 08:04:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_cbr [2023-11-19 08:04:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_skb [2023-11-19 08:04:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_skb [2023-11-19 08:04:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:04:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 08:04:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 08:04:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 08:04:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 08:04:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 08:04:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_rx [2023-11-19 08:04:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_rx [2023-11-19 08:04:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 08:04:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 08:04:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-19 08:04:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-19 08:04:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:04:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:04:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:04:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 08:04:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 08:04:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure push_rx_skb [2023-11-19 08:04:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rx_skb [2023-11-19 08:04:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-19 08:04:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-19 08:04:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:04:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rate_logindex [2023-11-19 08:04:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rate_logindex [2023-11-19 08:04:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:04:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:04:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_change_qos [2023-11-19 08:04:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_change_qos [2023-11-19 08:04:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 08:04:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 08:04:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 08:04:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 08:04:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 08:04:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 08:04:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 08:04:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 08:04:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:04:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 08:04:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 08:04:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure drain_scq [2023-11-19 08:04:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_scq [2023-11-19 08:04:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_scq [2023-11-19 08:04:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_scq [2023-11-19 08:04:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:04:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:04:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:04:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:04:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:04:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-19 08:04:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-19 08:04:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-19 08:04:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-19 08:04:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 08:04:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 08:04:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:04:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-19 08:04:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-19 08:04:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 08:04:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 08:04:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure waitfor_idle [2023-11-19 08:04:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure waitfor_idle [2023-11-19 08:04:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:04:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:04:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_ubr [2023-11-19 08:04:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_ubr [2023-11-19 08:04:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_open [2023-11-19 08:04:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_open [2023-11-19 08:04:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 08:04:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 08:04:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-19 08:04:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-19 08:04:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:04:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:04:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write_sram [2023-11-19 08:04:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sram [2023-11-19 08:04:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:04:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:04:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_put [2023-11-19 08:04:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_put [2023-11-19 08:04:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 08:04:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 08:04:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx_dump [2023-11-19 08:04:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx_dump [2023-11-19 08:04:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:04:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 08:04:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 08:04:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 08:04:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 08:04:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:04:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:04:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_tst [2023-11-19 08:04:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_tst [2023-11-19 08:04:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:04:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:04:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_tx [2023-11-19 08:04:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_tx [2023-11-19 08:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-19 08:04:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-19 08:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-19 08:04:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-19 08:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:04:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:04:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 08:04:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 08:04:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_get [2023-11-19 08:04:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_get [2023-11-19 08:04:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 08:04:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 08:04:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure fill_tst [2023-11-19 08:04:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_tst [2023-11-19 08:04:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:04:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:04:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:04:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 08:04:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 08:04:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 08:04:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure deinit_card [2023-11-19 08:04:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure deinit_card [2023-11-19 08:04:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-19 08:04:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-19 08:04:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:04:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:04:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2023-11-19 08:04:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2023-11-19 08:04:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx [2023-11-19 08:04:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx [2023-11-19 08:04:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 08:04:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 08:04:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_skb [2023-11-19 08:04:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_skb [2023-11-19 08:04:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 08:04:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 08:04:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 08:04:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 08:04:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:04:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:04:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 08:04:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 08:04:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure fill_scd [2023-11-19 08:04:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_scd [2023-11-19 08:04:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure __fill_tst [2023-11-19 08:04:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __fill_tst [2023-11-19 08:04:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 08:04:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 08:04:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 08:04:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 08:04:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 08:04:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 08:04:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 08:04:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 08:04:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 08:04:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 08:04:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 08:04:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 08:04:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-19 08:04:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-19 08:04:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure flush_rx_pool [2023-11-19 08:04:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_rx_pool [2023-11-19 08:04:22,339 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:22,345 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:22,693 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:04:31,974 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:32,011 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:32,011 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:32,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:32 BoogieIcfgContainer [2023-11-19 08:04:32,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:32,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:32,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:32,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:32,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:16" (1/3) ... [2023-11-19 08:04:32,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8ba04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:32, skipping insertion in model container [2023-11-19 08:04:32,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:19" (2/3) ... [2023-11-19 08:04:32,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8ba04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:32, skipping insertion in model container [2023-11-19 08:04:32,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:32" (3/3) ... [2023-11-19 08:04:32,044 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2023-11-19 08:04:32,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:32,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:32,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:32,217 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;@3b362284, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:32,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 3303 states, 2393 states have (on average 1.4366903468449645) internal successors, (3438), 2445 states have internal predecessors, (3438), 796 states have call successors, (796), 114 states have call predecessors, (796), 113 states have return successors, (789), 774 states have call predecessors, (789), 789 states have call successors, (789) [2023-11-19 08:04:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-19 08:04:32,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:32,290 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:32,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:32,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:32,299 INFO L85 PathProgramCache]: Analyzing trace with hash -102906398, now seen corresponding path program 1 times [2023-11-19 08:04:32,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:32,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448979534] [2023-11-19 08:04:32,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:32,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:04:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:04:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:04:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:04:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 08:04:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 08:04:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:04:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 08:04:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 08:04:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 08:04:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 08:04:33,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:33,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448979534] [2023-11-19 08:04:33,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448979534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:33,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:33,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:04:33,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20368452] [2023-11-19 08:04:33,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:33,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:04:33,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:33,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:04:33,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:34,008 INFO L87 Difference]: Start difference. First operand has 3303 states, 2393 states have (on average 1.4366903468449645) internal successors, (3438), 2445 states have internal predecessors, (3438), 796 states have call successors, (796), 114 states have call predecessors, (796), 113 states have return successors, (789), 774 states have call predecessors, (789), 789 states have call successors, (789) Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:04:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:51,192 INFO L93 Difference]: Finished difference Result 11038 states and 17514 transitions. [2023-11-19 08:04:51,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:51,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 177 [2023-11-19 08:04:51,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:51,291 INFO L225 Difference]: With dead ends: 11038 [2023-11-19 08:04:51,291 INFO L226 Difference]: Without dead ends: 7693 [2023-11-19 08:04:51,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:04:51,347 INFO L413 NwaCegarLoop]: 3954 mSDtfsCounter, 12476 mSDsluCounter, 5828 mSDsCounter, 0 mSdLazyCounter, 4449 mSolverCounterSat, 7248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13043 SdHoareTripleChecker+Valid, 9782 SdHoareTripleChecker+Invalid, 11697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7248 IncrementalHoareTripleChecker+Valid, 4449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:51,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13043 Valid, 9782 Invalid, 11697 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7248 Valid, 4449 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2023-11-19 08:04:51,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7693 states. [2023-11-19 08:04:52,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7693 to 6198. [2023-11-19 08:04:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6198 states, 4500 states have (on average 1.4126666666666667) internal successors, (6357), 4581 states have internal predecessors, (6357), 1480 states have call successors, (1480), 218 states have call predecessors, (1480), 217 states have return successors, (1496), 1448 states have call predecessors, (1496), 1478 states have call successors, (1496) [2023-11-19 08:04:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6198 states to 6198 states and 9333 transitions. [2023-11-19 08:04:52,108 INFO L78 Accepts]: Start accepts. Automaton has 6198 states and 9333 transitions. Word has length 177 [2023-11-19 08:04:52,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:52,110 INFO L495 AbstractCegarLoop]: Abstraction has 6198 states and 9333 transitions. [2023-11-19 08:04:52,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:04:52,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6198 states and 9333 transitions. [2023-11-19 08:04:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 08:04:52,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:52,125 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:52,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:52,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:52,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:52,127 INFO L85 PathProgramCache]: Analyzing trace with hash 335453357, now seen corresponding path program 1 times [2023-11-19 08:04:52,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:52,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007264678] [2023-11-19 08:04:52,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:04:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:04:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:04:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:04:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 08:04:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:04:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:04:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 08:04:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:04:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 08:04:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 08:04:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 08:04:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:04:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 08:04:53,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:53,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007264678] [2023-11-19 08:04:53,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007264678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:53,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:53,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:04:53,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356573925] [2023-11-19 08:04:53,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:53,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:04:53,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:53,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:04:53,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:53,062 INFO L87 Difference]: Start difference. First operand 6198 states and 9333 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)