./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-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx --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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:19,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:19,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:08:19,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:19,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:19,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:19,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:19,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:19,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:08:19,162 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:08:19,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:08:19,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:08:19,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:19,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:19,166 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:19,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:19,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:08:19,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:19,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:19,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:08:19,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:08:19,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:08:19,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:19,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:19,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:19,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:19,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:08:19,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:08:19,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:19,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:19,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:08:19,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:08:19,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:19,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:08:19,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:08:19,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:08:19,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:08:19,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:08:19,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:08:19,182 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_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2023-11-21 22:08:19,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:19,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:19,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:19,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:19,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:19,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-21 22:08:22,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:23,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:23,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-21 22:08:23,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/data/eb36b4c41/3e69c45c905744619cdd0f834ba95fbd/FLAG8cf585b07 [2023-11-21 22:08:23,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/data/eb36b4c41/3e69c45c905744619cdd0f834ba95fbd [2023-11-21 22:08:23,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:23,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:23,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:23,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:23,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:23,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:23" (1/1) ... [2023-11-21 22:08:23,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a42271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:23, skipping insertion in model container [2023-11-21 22:08:23,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:23" (1/1) ... [2023-11-21 22:08:24,059 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:27,717 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_1b7acc53-3f64-40a9-86e5-b3d4807b4005/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-21 22:08:27,723 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_1b7acc53-3f64-40a9-86e5-b3d4807b4005/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-21 22:08:27,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:27,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:28,058 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"); [5426] [2023-11-21 22:08:28,061 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)); [5433] [2023-11-21 22:08:28,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5440] [2023-11-21 22:08:28,070 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)); [5497-5498] [2023-11-21 22:08:28,071 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"); [5503-5505] [2023-11-21 22:08:28,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [5607] [2023-11-21 22:08:28,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5671-5672] [2023-11-21 22:08:28,085 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)); [5705-5706] [2023-11-21 22:08:28,087 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)); [5742-5743] [2023-11-21 22:08:28,089 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)); [5779-5780] [2023-11-21 22:08:28,107 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)); [6093-6094] [2023-11-21 22:08:28,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-21 22:08:28,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6731] [2023-11-21 22:08:28,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6816] [2023-11-21 22:08:28,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6935] [2023-11-21 22:08:28,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6980] [2023-11-21 22:08:28,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7061] [2023-11-21 22:08:28,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7159] [2023-11-21 22:08:28,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7309] [2023-11-21 22:08:28,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7344] [2023-11-21 22:08:28,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2023-11-21 22:08:28,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8105] [2023-11-21 22:08:28,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8132] [2023-11-21 22:08:28,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8170] [2023-11-21 22:08:28,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8319] [2023-11-21 22:08:28,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8681] [2023-11-21 22:08:28,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8756] [2023-11-21 22:08:28,388 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_1b7acc53-3f64-40a9-86e5-b3d4807b4005/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-21 22:08:28,389 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_1b7acc53-3f64-40a9-86e5-b3d4807b4005/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-21 22:08:28,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:28,654 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:28,663 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:28,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28 WrapperNode [2023-11-21 22:08:28,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:28,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:28,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:28,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:28,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:28,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:29,089 INFO L138 Inliner]: procedures = 455, calls = 2277, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5627 [2023-11-21 22:08:29,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:29,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:29,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:29,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:29,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:29,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:29,174 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,594 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:08:30,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:30,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:30,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:30,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:30,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (1/1) ... [2023-11-21 22:08:30,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:30,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:30,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b7acc53-3f64-40a9-86e5-b3d4807b4005/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:08:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:08:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:08:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:08:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:08:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:08:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:08:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:08:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:08:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:08:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:08:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:08:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2023-11-21 22:08:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2023-11-21 22:08:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2023-11-21 22:08:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2023-11-21 22:08:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2023-11-21 22:08:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2023-11-21 22:08:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:08:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:08:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:08:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:08:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-21 22:08:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-21 22:08:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:08:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:08:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 22:08:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 22:08:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:08:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:08:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:08:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:08:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:08:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:08:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:08:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-21 22:08:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-21 22:08:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 22:08:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 22:08:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:08:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:08:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:08:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:08:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:08:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:08:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:08:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2023-11-21 22:08:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2023-11-21 22:08:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2023-11-21 22:08:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2023-11-21 22:08:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:08:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:08:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 22:08:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 22:08:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2023-11-21 22:08:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2023-11-21 22:08:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2023-11-21 22:08:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2023-11-21 22:08:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:08:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2023-11-21 22:08:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2023-11-21 22:08:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:08:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:08:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:08:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:08:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:08:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:08:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:08:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:08:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:08:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:08:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:08:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:08:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:08:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:08:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:08:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:08:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-21 22:08:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-21 22:08:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:08:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:08:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:08:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:08:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2023-11-21 22:08:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2023-11-21 22:08:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2023-11-21 22:08:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2023-11-21 22:08:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2023-11-21 22:08:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2023-11-21 22:08:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2023-11-21 22:08:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2023-11-21 22:08:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:08:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:08:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:08:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:08:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:08:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2023-11-21 22:08:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2023-11-21 22:08:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:08:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:08:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:08:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:08:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:08:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:08:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:08:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:08:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:08:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 22:08:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 22:08:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-21 22:08:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-21 22:08:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2023-11-21 22:08:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2023-11-21 22:08:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-21 22:08:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-21 22:08:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2023-11-21 22:08:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2023-11-21 22:08:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:08:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:08:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:08:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:08:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2023-11-21 22:08:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2023-11-21 22:08:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:08:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:08:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2023-11-21 22:08:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2023-11-21 22:08:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-21 22:08:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-21 22:08:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 22:08:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 22:08:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:08:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:08:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:08:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:08:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:08:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:08:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:08:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:08:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:08:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:08:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:08:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:08:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-21 22:08:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-21 22:08:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2023-11-21 22:08:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2023-11-21 22:08:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:08:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:08:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:08:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:08:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-21 22:08:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-21 22:08:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:08:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:08:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:08:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-21 22:08:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-21 22:08:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2023-11-21 22:08:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2023-11-21 22:08:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 22:08:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 22:08:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:08:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:08:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:08:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:08:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-21 22:08:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-21 22:08:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 22:08:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 22:08:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-21 22:08:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-21 22:08:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 22:08:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 22:08:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:08:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:08:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2023-11-21 22:08:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2023-11-21 22:08:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:08:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:08:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2023-11-21 22:08:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2023-11-21 22:08:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2023-11-21 22:08:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2023-11-21 22:08:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2023-11-21 22:08:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2023-11-21 22:08:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:08:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:08:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:08:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-21 22:08:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-21 22:08:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2023-11-21 22:08:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2023-11-21 22:08:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:08:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:08:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2023-11-21 22:08:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2023-11-21 22:08:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:08:31,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:08:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2023-11-21 22:08:31,093 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2023-11-21 22:08:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-21 22:08:31,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-21 22:08:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 22:08:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 22:08:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:08:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2023-11-21 22:08:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2023-11-21 22:08:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:08:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:08:31,935 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:31,939 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:32,054 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:08:40,302 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:08:40,465 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:43,958 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:43,958 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:08:43,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:43 BoogieIcfgContainer [2023-11-21 22:08:43,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:43,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:08:43,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:08:43,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:08:43,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:08:23" (1/3) ... [2023-11-21 22:08:43,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e02a521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:43, skipping insertion in model container [2023-11-21 22:08:43,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:28" (2/3) ... [2023-11-21 22:08:43,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e02a521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:43, skipping insertion in model container [2023-11-21 22:08:43,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:43" (3/3) ... [2023-11-21 22:08:43,972 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-21 22:08:43,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:08:43,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:08:44,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:08:44,109 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;@2e8519a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:08:44,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:08:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 1439 states, 824 states have (on average 1.2888349514563107) internal successors, (1062), 846 states have internal predecessors, (1062), 517 states have call successors, (517), 98 states have call predecessors, (517), 97 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) [2023-11-21 22:08:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-21 22:08:44,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:44,179 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:44,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:08:44,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:44,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1770023683, now seen corresponding path program 1 times [2023-11-21 22:08:44,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:44,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243847421] [2023-11-21 22:08:44,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:44,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:08:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:08:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:08:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:08:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:08:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:08:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:08:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:08:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-21 22:08:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-21 22:08:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-21 22:08:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-21 22:08:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:08:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 22:08:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:08:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 22:08:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:08:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-21 22:08:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 22:08:45,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:45,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243847421] [2023-11-21 22:08:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243847421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:45,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:45,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:08:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238870856] [2023-11-21 22:08:45,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:45,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:08:45,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:45,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:08:45,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:08:45,941 INFO L87 Difference]: Start difference. First operand has 1439 states, 824 states have (on average 1.2888349514563107) internal successors, (1062), 846 states have internal predecessors, (1062), 517 states have call successors, (517), 98 states have call predecessors, (517), 97 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-21 22:08:52,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:08:54,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:08:56,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:09:03,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:09:05,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:09:07,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:09:10,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:09:12,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []