./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire --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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:06,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:06,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:36:06,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:06,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:06,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:06,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:06,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:06,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:06,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:06,595 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:06,596 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:06,597 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:06,598 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:06,599 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:06,599 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:06,600 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:06,600 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:06,601 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:06,602 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:06,602 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:06,603 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:06,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:06,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:06,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:06,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:06,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:06,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:06,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:06,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:06,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:06,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:06,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:06,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:06,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:06,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:06,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:06,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:06,612 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:06,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:06,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:06,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:06,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:06,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:06,614 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_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2023-11-23 20:36:06,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:06,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:06,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:06,923 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:06,923 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:06,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-23 20:36:10,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:10,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:10,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-23 20:36:10,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/data/f7346adb5/eac724e19b424878beec5da80defabbb/FLAG5f61cf368 [2023-11-23 20:36:10,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/data/f7346adb5/eac724e19b424878beec5da80defabbb [2023-11-23 20:36:10,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:10,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:10,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:10,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:10,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:10,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:10" (1/1) ... [2023-11-23 20:36:10,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31712833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:10, skipping insertion in model container [2023-11-23 20:36:10,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:10" (1/1) ... [2023-11-23 20:36:11,139 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:14,539 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_26319fd4-11bd-42f9-858b-a77932c2d371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-23 20:36:14,542 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_26319fd4-11bd-42f9-858b-a77932c2d371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-23 20:36:14,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:14,625 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:14,791 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] [2023-11-23 20:36:14,793 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] [2023-11-23 20:36:14,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5440] [2023-11-23 20:36:14,801 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] [2023-11-23 20:36:14,802 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] [2023-11-23 20:36:14,805 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] [2023-11-23 20:36:14,812 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] [2023-11-23 20:36:14,815 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] [2023-11-23 20:36:14,816 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] [2023-11-23 20:36:14,818 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] [2023-11-23 20:36:14,832 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] [2023-11-23 20:36:14,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-23 20:36:14,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6731] [2023-11-23 20:36:14,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6816] [2023-11-23 20:36:14,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6935] [2023-11-23 20:36:14,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6980] [2023-11-23 20:36:14,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7061] [2023-11-23 20:36:14,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7159] [2023-11-23 20:36:14,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7309] [2023-11-23 20:36:14,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7344] [2023-11-23 20:36:14,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2023-11-23 20:36:14,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8105] [2023-11-23 20:36:14,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8132] [2023-11-23 20:36:14,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8170] [2023-11-23 20:36:14,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8319] [2023-11-23 20:36:14,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8681] [2023-11-23 20:36:14,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8756] [2023-11-23 20:36:15,074 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_26319fd4-11bd-42f9-858b-a77932c2d371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-23 20:36:15,075 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_26319fd4-11bd-42f9-858b-a77932c2d371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-23 20:36:15,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:15,405 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:15,414 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:15,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15 WrapperNode [2023-11-23 20:36:15,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:15,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:15,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:15,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:15,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:15,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:15,846 INFO L138 Inliner]: procedures = 455, calls = 2277, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5627 [2023-11-23 20:36:15,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:15,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:15,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:15,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:15,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:15,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:15,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:15,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:16,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:16,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:16,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:16,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:16,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:16,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:16,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:16,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:16,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (1/1) ... [2023-11-23 20:36:16,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:16,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:16,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:16,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26319fd4-11bd-42f9-858b-a77932c2d371/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 20:36:16,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 20:36:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:36:16,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:36:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 20:36:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 20:36:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:36:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:36:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:36:16,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:36:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 20:36:16,223 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 20:36:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2023-11-23 20:36:16,223 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2023-11-23 20:36:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2023-11-23 20:36:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2023-11-23 20:36:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2023-11-23 20:36:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2023-11-23 20:36:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 20:36:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 20:36:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 20:36:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 20:36:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 20:36:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 20:36:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 20:36:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 20:36:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 20:36:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 20:36:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:36:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 20:36:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 20:36:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:36:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:36:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 20:36:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 20:36:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 20:36:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 20:36:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 20:36:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 20:36:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 20:36:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 20:36:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:36:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:36:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 20:36:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 20:36:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:36:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2023-11-23 20:36:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2023-11-23 20:36:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2023-11-23 20:36:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2023-11-23 20:36:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:36:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:36:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 20:36:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 20:36:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2023-11-23 20:36:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2023-11-23 20:36:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2023-11-23 20:36:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2023-11-23 20:36:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:36:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2023-11-23 20:36:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2023-11-23 20:36:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 20:36:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 20:36:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:36:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:36:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:36:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:36:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 20:36:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 20:36:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:36:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:36:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:36:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:36:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 20:36:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 20:36:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 20:36:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 20:36:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 20:36:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 20:36:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 20:36:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 20:36:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 20:36:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 20:36:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2023-11-23 20:36:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2023-11-23 20:36:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2023-11-23 20:36:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2023-11-23 20:36:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2023-11-23 20:36:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2023-11-23 20:36:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2023-11-23 20:36:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2023-11-23 20:36:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:36:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:36:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:36:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:36:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:36:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2023-11-23 20:36:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2023-11-23 20:36:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:36:16,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:36:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 20:36:16,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 20:36:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:36:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:36:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:36:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 20:36:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 20:36:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 20:36:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 20:36:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-23 20:36:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-23 20:36:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2023-11-23 20:36:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2023-11-23 20:36:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-23 20:36:16,245 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-23 20:36:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2023-11-23 20:36:16,247 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2023-11-23 20:36:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:36:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:36:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 20:36:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 20:36:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2023-11-23 20:36:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2023-11-23 20:36:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 20:36:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 20:36:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2023-11-23 20:36:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2023-11-23 20:36:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 20:36:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 20:36:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 20:36:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 20:36:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:36:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:36:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:36:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:36:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 20:36:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 20:36:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 20:36:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 20:36:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:36:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:36:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:36:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:36:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 20:36:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 20:36:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2023-11-23 20:36:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2023-11-23 20:36:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:36:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 20:36:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 20:36:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:36:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-23 20:36:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-23 20:36:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:36:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:36:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:36:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 20:36:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 20:36:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2023-11-23 20:36:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2023-11-23 20:36:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 20:36:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 20:36:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:36:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:36:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:36:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:36:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 20:36:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 20:36:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 20:36:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 20:36:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-23 20:36:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-23 20:36:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 20:36:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 20:36:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:36:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:36:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2023-11-23 20:36:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2023-11-23 20:36:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:36:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:36:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2023-11-23 20:36:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2023-11-23 20:36:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2023-11-23 20:36:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2023-11-23 20:36:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2023-11-23 20:36:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2023-11-23 20:36:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:36:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:36:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:36:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-23 20:36:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-23 20:36:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2023-11-23 20:36:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2023-11-23 20:36:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 20:36:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 20:36:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2023-11-23 20:36:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2023-11-23 20:36:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:36:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:36:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2023-11-23 20:36:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2023-11-23 20:36:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 20:36:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 20:36:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 20:36:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 20:36:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2023-11-23 20:36:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2023-11-23 20:36:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:36:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:36:17,223 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:17,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:17,358 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:36:24,600 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:36:24,837 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:27,165 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:27,165 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:27,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:27 BoogieIcfgContainer [2023-11-23 20:36:27,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:27,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:27,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:27,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:27,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:10" (1/3) ... [2023-11-23 20:36:27,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0ebc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:27, skipping insertion in model container [2023-11-23 20:36:27,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:15" (2/3) ... [2023-11-23 20:36:27,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0ebc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:27, skipping insertion in model container [2023-11-23 20:36:27,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:27" (3/3) ... [2023-11-23 20:36:27,184 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-23 20:36:27,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:27,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:27,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:27,333 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;@7d178f76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:27,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:27,347 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) [2023-11-23 20:36:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 20:36:27,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:27,484 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] [2023-11-23 20:36:27,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:27,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:27,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1770023683, now seen corresponding path program 1 times [2023-11-23 20:36:27,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:27,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176749193] [2023-11-23 20:36:27,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:27,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 20:36:28,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:36:28,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176749193] [2023-11-23 20:36:28,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176749193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:28,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:28,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:36:28,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798384193] [2023-11-23 20:36:28,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:28,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:36:28,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:36:28,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:36:28,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:36:28,887 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 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 20:36:32,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:35,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:37,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:39,560 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 [] [2023-11-23 20:36:39,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:39,912 INFO L93 Difference]: Finished difference Result 3718 states and 5416 transitions. [2023-11-23 20:36:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:36:39,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 167 [2023-11-23 20:36:39,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:39,955 INFO L225 Difference]: With dead ends: 3718 [2023-11-23 20:36:39,956 INFO L226 Difference]: Without dead ends: 2239 [2023-11-23 20:36:39,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:36:39,979 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 1220 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:39,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 3659 Invalid, 586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 566 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2023-11-23 20:36:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2023-11-23 20:36:40,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2236. [2023-11-23 20:36:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 1310 states have (on average 1.283969465648855) internal successors, (1682), 1343 states have internal predecessors, (1682), 763 states have call successors, (763), 162 states have call predecessors, (763), 162 states have return successors, (763), 754 states have call predecessors, (763), 763 states have call successors, (763) [2023-11-23 20:36:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 3208 transitions. [2023-11-23 20:36:40,257 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 3208 transitions. Word has length 167 [2023-11-23 20:36:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:40,260 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 3208 transitions. [2023-11-23 20:36:40,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 20:36:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 3208 transitions. [2023-11-23 20:36:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-23 20:36:40,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:40,282 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:40,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:36:40,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:40,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1410260484, now seen corresponding path program 1 times [2023-11-23 20:36:40,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:40,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266134097] [2023-11-23 20:36:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:40,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-23 20:36:40,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:36:40,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266134097] [2023-11-23 20:36:40,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266134097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:40,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:40,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:36:40,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494629052] [2023-11-23 20:36:40,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:40,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:36:40,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:36:40,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:36:40,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:36:40,695 INFO L87 Difference]: Start difference. First operand 2236 states and 3208 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-23 20:36:43,533 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 [] [2023-11-23 20:36:45,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:49,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:51,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:53,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:53,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:53,827 INFO L93 Difference]: Finished difference Result 5767 states and 8251 transitions. [2023-11-23 20:36:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:36:53,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 184 [2023-11-23 20:36:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:53,867 INFO L225 Difference]: With dead ends: 5767 [2023-11-23 20:36:53,867 INFO L226 Difference]: Without dead ends: 3548 [2023-11-23 20:36:53,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:36:53,885 INFO L413 NwaCegarLoop]: 1786 mSDtfsCounter, 1741 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 3506 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:53,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 3506 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 539 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2023-11-23 20:36:53,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3548 states. [2023-11-23 20:36:54,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3548 to 3544. [2023-11-23 20:36:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 2072 states have (on average 1.2722007722007722) internal successors, (2636), 2127 states have internal predecessors, (2636), 1209 states have call successors, (1209), 263 states have call predecessors, (1209), 262 states have return successors, (1210), 1190 states have call predecessors, (1210), 1209 states have call successors, (1210) [2023-11-23 20:36:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 5055 transitions. [2023-11-23 20:36:54,205 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 5055 transitions. Word has length 184 [2023-11-23 20:36:54,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:54,206 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 5055 transitions. [2023-11-23 20:36:54,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-23 20:36:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 5055 transitions. [2023-11-23 20:36:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-23 20:36:54,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:54,223 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:54,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:36:54,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:54,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:54,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1452579816, now seen corresponding path program 1 times [2023-11-23 20:36:54,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:54,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727780397] [2023-11-23 20:36:54,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:54,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-11-23 20:36:54,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:36:54,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727780397] [2023-11-23 20:36:54,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727780397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:54,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:54,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:36:54,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361307907] [2023-11-23 20:36:54,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:54,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:36:54,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:36:54,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:36:54,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:36:54,922 INFO L87 Difference]: Start difference. First operand 3544 states and 5055 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-23 20:36:58,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:00,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []