./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.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_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:09:33,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:09:33,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:09:33,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:09:33,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:09:33,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:09:33,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:09:33,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:09:33,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:09:33,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:09:33,688 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:09:33,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:09:33,689 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:09:33,690 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:09:33,691 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:09:33,691 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:09:33,692 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:09:33,692 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:09:33,692 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:09:33,694 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:09:33,695 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:09:33,695 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:09:33,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:09:33,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:09:33,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:09:33,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:09:33,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:09:33,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:09:33,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:09:33,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:09:33,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:09:33,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:09:33,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:09:33,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:33,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:09:33,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:09:33,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:09:33,703 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:09:33,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:09:33,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:09:33,704 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:09:33,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:09:33,705 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2023-11-19 05:09:34,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:09:34,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:09:34,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:09:34,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:09:34,044 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:09:34,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-19 05:09:37,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:09:38,112 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:09:38,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-19 05:09:38,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/data/f83717c59/b02540112f784d4285bef2808f2799c7/FLAG9624d4629 [2023-11-19 05:09:38,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/data/f83717c59/b02540112f784d4285bef2808f2799c7 [2023-11-19 05:09:38,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:09:38,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:09:38,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:38,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:09:38,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:09:38,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762b51b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38, skipping insertion in model container [2023-11-19 05:09:38,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:43,842 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_e680fb76-3e66-4233-b209-cd60cd706326/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2023-11-19 05:09:43,847 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_e680fb76-3e66-4233-b209-cd60cd706326/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2023-11-19 05:09:43,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:43,969 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:09:44,143 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)); [5801] [2023-11-19 05:09:44,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5808] [2023-11-19 05:09:44,153 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)); [5910-5911] [2023-11-19 05:09:44,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5944-5945] [2023-11-19 05:09:44,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5982-5983] [2023-11-19 05:09:44,160 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" (115), "i" (12UL)); [6019-6020] [2023-11-19 05:09:44,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6279] [2023-11-19 05:09:44,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6306] [2023-11-19 05:09:44,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7271] [2023-11-19 05:09:44,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7389] [2023-11-19 05:09:44,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7508] [2023-11-19 05:09:44,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8524] [2023-11-19 05:09:44,369 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"); [9092] [2023-11-19 05:09:44,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9099] [2023-11-19 05:09:44,371 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/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9145-9146] [2023-11-19 05:09:44,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9151-9153] [2023-11-19 05:09:44,381 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" (502), "i" (12UL)); [9415-9416] [2023-11-19 05:09:44,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9422] [2023-11-19 05:09:44,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9685] [2023-11-19 05:09:44,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10278] [2023-11-19 05:09:44,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10538] [2023-11-19 05:09:44,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14852] [2023-11-19 05:09:44,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15477] [2023-11-19 05:09:44,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15954] [2023-11-19 05:09:44,656 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_e680fb76-3e66-4233-b209-cd60cd706326/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2023-11-19 05:09:44,657 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_e680fb76-3e66-4233-b209-cd60cd706326/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2023-11-19 05:09:44,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:45,110 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:09:45,119 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:09:45,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45 WrapperNode [2023-11-19 05:09:45,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:45,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:45,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:09:45,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:09:45,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:45,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:45,741 INFO L138 Inliner]: procedures = 567, calls = 5543, calls flagged for inlining = 290, calls inlined = 264, statements flattened = 14252 [2023-11-19 05:09:45,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:45,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:09:45,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:09:45,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:09:45,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:45,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:45,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:45,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:46,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:46,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:46,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:46,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:46,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:09:46,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:09:46,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:09:46,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:09:46,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (1/1) ... [2023-11-19 05:09:46,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:46,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:46,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:09:46,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e680fb76-3e66-4233-b209-cd60cd706326/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:09:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-19 05:09:46,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-19 05:09:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-19 05:09:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-19 05:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:09:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:09:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:09:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:09:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 05:09:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 05:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-19 05:09:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-19 05:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 05:09:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 05:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-19 05:09:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-19 05:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-19 05:09:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-19 05:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:09:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:09:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:09:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 05:09:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 05:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:09:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 05:09:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 05:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 05:09:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 05:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 05:09:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 05:09:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 05:09:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 05:09:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:09:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:09:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 05:09:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 05:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 05:09:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 05:09:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:09:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:09:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-19 05:09:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-19 05:09:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:09:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 05:09:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 05:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:09:46,545 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:09:46,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:09:46,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:09:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:09:46,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:09:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:09:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-19 05:09:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-19 05:09:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-19 05:09:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-19 05:09:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 05:09:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 05:09:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-19 05:09:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-19 05:09:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 05:09:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 05:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-19 05:09:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-19 05:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-19 05:09:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-19 05:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-19 05:09:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-19 05:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2023-11-19 05:09:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2023-11-19 05:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-19 05:09:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-19 05:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:09:46,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:09:46,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:09:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:09:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:09:46,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:09:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 05:09:46,553 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 05:09:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:09:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 05:09:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 05:09:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:09:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:09:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 05:09:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 05:09:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:09:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:09:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 05:09:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 05:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:09:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:09:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:09:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:09:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-19 05:09:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-19 05:09:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:09:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:09:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-19 05:09:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-19 05:09:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-19 05:09:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-19 05:09:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:09:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:09:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:09:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:09:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:09:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:09:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:09:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 05:09:46,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 05:09:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:09:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:09:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:09:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:09:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:09:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:09:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-19 05:09:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-19 05:09:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 05:09:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 05:09:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-19 05:09:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-19 05:09:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:09:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:09:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:09:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:09:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 05:09:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 05:09:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-19 05:09:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-19 05:09:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:09:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:09:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:09:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:09:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:09:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:09:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 05:09:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 05:09:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-19 05:09:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-19 05:09:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:09:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:09:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 05:09:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 05:09:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-19 05:09:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-19 05:09:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:09:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:09:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-19 05:09:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-19 05:09:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:09:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:09:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:09:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:09:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-19 05:09:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-19 05:09:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 05:09:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 05:09:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-19 05:09:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-19 05:09:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 05:09:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 05:09:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-19 05:09:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-19 05:09:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-19 05:09:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-19 05:09:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 05:09:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 05:09:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-19 05:09:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-19 05:09:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-19 05:09:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-19 05:09:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:09:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:09:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-19 05:09:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-19 05:09:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-19 05:09:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-19 05:09:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:09:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:09:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 05:09:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 05:09:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-19 05:09:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-19 05:09:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-19 05:09:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-19 05:09:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:09:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:09:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:09:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-19 05:09:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-19 05:09:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 05:09:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 05:09:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:09:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 05:09:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 05:09:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 05:09:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 05:09:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-19 05:09:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-19 05:09:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:09:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:09:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:09:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-19 05:09:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-19 05:09:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-19 05:09:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-19 05:09:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:09:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:09:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-19 05:09:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-19 05:09:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:09:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:09:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-19 05:09:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-19 05:09:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-19 05:09:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-19 05:09:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:09:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:09:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 05:09:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 05:09:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-19 05:09:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-19 05:09:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 05:09:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 05:09:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-19 05:09:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-19 05:09:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2023-11-19 05:09:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2023-11-19 05:09:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-19 05:09:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-19 05:09:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2023-11-19 05:09:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2023-11-19 05:09:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 05:09:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 05:09:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 05:09:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 05:09:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 05:09:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 05:09:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:09:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:09:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:09:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:09:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:09:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-19 05:09:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-19 05:09:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:09:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:09:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2023-11-19 05:09:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2023-11-19 05:09:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-19 05:09:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-19 05:09:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-19 05:09:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-19 05:09:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 05:09:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 05:09:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-19 05:09:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-19 05:09:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 05:09:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 05:09:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:09:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:09:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 05:09:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 05:09:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 05:09:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 05:09:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 05:09:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 05:09:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-19 05:09:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-19 05:09:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 05:09:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 05:09:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-19 05:09:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-19 05:09:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:09:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-19 05:09:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-19 05:09:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:09:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:09:47,806 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:09:47,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:09:49,405 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:10:02,579 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:10:02,819 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:10:13,237 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:10:13,237 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:10:13,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:13 BoogieIcfgContainer [2023-11-19 05:10:13,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:10:13,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:10:13,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:10:13,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:10:13,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:38" (1/3) ... [2023-11-19 05:10:13,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1bb8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:13, skipping insertion in model container [2023-11-19 05:10:13,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:45" (2/3) ... [2023-11-19 05:10:13,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1bb8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:13, skipping insertion in model container [2023-11-19 05:10:13,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:13" (3/3) ... [2023-11-19 05:10:13,273 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-19 05:10:13,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:10:13,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:10:13,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:10:13,421 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@399da0c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:10:13,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:10:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 2962 states, 1765 states have (on average 1.341643059490085) internal successors, (2368), 1860 states have internal predecessors, (2368), 1059 states have call successors, (1059), 139 states have call predecessors, (1059), 138 states have return successors, (1052), 1016 states have call predecessors, (1052), 1052 states have call successors, (1052) [2023-11-19 05:10:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:10:13,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:13,486 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:13,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:10:13,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:13,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1341923120, now seen corresponding path program 1 times [2023-11-19 05:10:13,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:13,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804098471] [2023-11-19 05:10:13,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:13,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2023-11-19 05:10:15,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:15,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804098471] [2023-11-19 05:10:15,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804098471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:15,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:15,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:10:15,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364765588] [2023-11-19 05:10:15,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:15,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:15,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:15,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:15,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:15,326 INFO L87 Difference]: Start difference. First operand has 2962 states, 1765 states have (on average 1.341643059490085) internal successors, (2368), 1860 states have internal predecessors, (2368), 1059 states have call successors, (1059), 139 states have call predecessors, (1059), 138 states have return successors, (1052), 1016 states have call predecessors, (1052), 1052 states have call successors, (1052) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)