./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh --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 f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:24:09,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:24:09,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 14:24:09,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:24:09,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:24:09,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:24:09,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:24:09,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:24:09,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:24:09,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:24:09,178 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:24:09,178 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:24:09,179 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:24:09,179 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:24:09,180 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:24:09,180 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:24:09,181 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:24:09,181 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:24:09,182 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:24:09,183 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:24:09,183 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:24:09,184 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:24:09,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:24:09,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:24:09,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:24:09,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:24:09,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:24:09,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:24:09,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:24:09,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:24:09,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:24:09,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:24:09,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:24:09,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:24:09,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:24:09,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:24:09,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:24:09,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:24:09,191 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:24:09,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:24:09,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:24:09,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:24:09,192 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:24:09,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:24:09,192 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_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 [2023-12-02 14:24:09,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:24:09,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:24:09,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:24:09,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:24:09,443 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:24:09,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2023-12-02 14:24:12,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:24:12,867 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:24:12,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2023-12-02 14:24:12,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/data/759da60b6/abf21534651e487ea7887e7e670dfd89/FLAG43e106d46 [2023-12-02 14:24:12,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/data/759da60b6/abf21534651e487ea7887e7e670dfd89 [2023-12-02 14:24:12,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:24:12,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:24:12,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:24:12,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:24:12,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:24:12,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:12" (1/1) ... [2023-12-02 14:24:12,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659b8723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:12, skipping insertion in model container [2023-12-02 14:24:12,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:12" (1/1) ... [2023-12-02 14:24:13,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:24:18,844 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2023-12-02 14:24:18,848 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2023-12-02 14:24:18,848 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2023-12-02 14:24:18,849 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2023-12-02 14:24:18,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:24:18,959 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:24:19,086 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"); [6543] [2023-12-02 14:24:19,088 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)); [6550] [2023-12-02 14:24:19,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6557] [2023-12-02 14:24:19,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [6573] [2023-12-02 14:24:19,092 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6658-6659] [2023-12-02 14:24:19,092 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"); [6664-6666] [2023-12-02 14:24:19,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6680] [2023-12-02 14:24:19,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6709] [2023-12-02 14:24:19,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [6716] [2023-12-02 14:24:19,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6723] [2023-12-02 14:24:19,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6819] [2023-12-02 14:24:19,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6826] [2023-12-02 14:24:19,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6888] [2023-12-02 14:24:19,101 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/mm.h"), "i" (488), "i" (12UL)); [6933-6934] [2023-12-02 14:24:19,103 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)); [7003] [2023-12-02 14:24:19,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [7011-7012] [2023-12-02 14:24:19,107 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [7091-7092] [2023-12-02 14:24:19,109 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)); [7125-7126] [2023-12-02 14:24:19,111 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" (79), "i" (12UL)); [7166-7167] [2023-12-02 14:24:19,112 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" (91), "i" (12UL)); [7195-7196] [2023-12-02 14:24:19,113 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)); [7232-7233] [2023-12-02 14:24:19,114 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)); [7269-7270] [2023-12-02 14:24:19,125 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)); [7741-7742] [2023-12-02 14:24:19,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7748] [2023-12-02 14:24:19,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8329] [2023-12-02 14:24:19,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8339] [2023-12-02 14:24:19,225 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)lbq_desc->p.pg_chunk.va) [10411] [2023-12-02 14:24:19,228 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)addr) [10470] [2023-12-02 14:24:19,235 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [10629] [2023-12-02 14:24:19,252 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [10975] [2023-12-02 14:24:19,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [11267] [2023-12-02 14:24:19,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [11353] [2023-12-02 14:24:19,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [11820] [2023-12-02 14:24:19,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [11823] [2023-12-02 14:24:19,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [11826] [2023-12-02 14:24:19,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [11829] [2023-12-02 14:24:19,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [11860] [2023-12-02 14:24:19,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [11863] [2023-12-02 14:24:19,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [11866] [2023-12-02 14:24:19,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [11869] [2023-12-02 14:24:19,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [11900] [2023-12-02 14:24:19,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [11903] [2023-12-02 14:24:19,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [11906] [2023-12-02 14:24:19,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [11909] [2023-12-02 14:24:19,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [11940] [2023-12-02 14:24:19,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [11943] [2023-12-02 14:24:19,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [11946] [2023-12-02 14:24:19,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [11949] [2023-12-02 14:24:19,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12245] [2023-12-02 14:24:19,619 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2023-12-02 14:24:19,619 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2023-12-02 14:24:19,620 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2023-12-02 14:24:19,620 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_3e27fae2-5eae-42ce-a81d-96570579a950/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2023-12-02 14:24:19,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:24:20,062 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:24:20,062 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:24:20,062 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:24:20,062 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:24:20,070 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:24:20,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20 WrapperNode [2023-12-02 14:24:20,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:24:20,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:24:20,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:24:20,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:24:20,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:20,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:20,908 INFO L138 Inliner]: procedures = 702, calls = 7738, calls flagged for inlining = 382, calls inlined = 354, statements flattened = 18593 [2023-12-02 14:24:20,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:24:20,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:24:20,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:24:20,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:24:20,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:20,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:24:21,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:24:21,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:24:21,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:24:21,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (1/1) ... [2023-12-02 14:24:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:24:21,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:24:21,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:24:21,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:24:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 14:24:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 14:24:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-12-02 14:24:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-12-02 14:24:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-12-02 14:24:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 14:24:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 14:24:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-12-02 14:24:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-12-02 14:24:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2023-12-02 14:24:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2023-12-02 14:24:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-12-02 14:24:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-12-02 14:24:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-12-02 14:24:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-12-02 14:24:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2023-12-02 14:24:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2023-12-02 14:24:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 14:24:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 14:24:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2023-12-02 14:24:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2023-12-02 14:24:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2023-12-02 14:24:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2023-12-02 14:24:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2023-12-02 14:24:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2023-12-02 14:24:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-12-02 14:24:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-12-02 14:24:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 14:24:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 14:24:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-12-02 14:24:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-12-02 14:24:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2023-12-02 14:24:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2023-12-02 14:24:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-12-02 14:24:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-12-02 14:24:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-12-02 14:24:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-12-02 14:24:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2023-12-02 14:24:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2023-12-02 14:24:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 14:24:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 14:24:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-12-02 14:24:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-12-02 14:24:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 14:24:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 14:24:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2023-12-02 14:24:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2023-12-02 14:24:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2023-12-02 14:24:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2023-12-02 14:24:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-12-02 14:24:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-12-02 14:24:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 14:24:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 14:24:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2023-12-02 14:24:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2023-12-02 14:24:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2023-12-02 14:24:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2023-12-02 14:24:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 14:24:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2023-12-02 14:24:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2023-12-02 14:24:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2023-12-02 14:24:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2023-12-02 14:24:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2023-12-02 14:24:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2023-12-02 14:24:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-12-02 14:24:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-12-02 14:24:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 14:24:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 14:24:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 14:24:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 14:24:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2023-12-02 14:24:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2023-12-02 14:24:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 14:24:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 14:24:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-12-02 14:24:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-12-02 14:24:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2023-12-02 14:24:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2023-12-02 14:24:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 14:24:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 14:24:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 14:24:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 14:24:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2023-12-02 14:24:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2023-12-02 14:24:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-12-02 14:24:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-12-02 14:24:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2023-12-02 14:24:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2023-12-02 14:24:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-12-02 14:24:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-12-02 14:24:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-12-02 14:24:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-12-02 14:24:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:24:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-12-02 14:24:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-12-02 14:24:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2023-12-02 14:24:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2023-12-02 14:24:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2023-12-02 14:24:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2023-12-02 14:24:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2023-12-02 14:24:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2023-12-02 14:24:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2023-12-02 14:24:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2023-12-02 14:24:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2023-12-02 14:24:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2023-12-02 14:24:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-12-02 14:24:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-12-02 14:24:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2023-12-02 14:24:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2023-12-02 14:24:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-12-02 14:24:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-12-02 14:24:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-12-02 14:24:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-12-02 14:24:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2023-12-02 14:24:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2023-12-02 14:24:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2023-12-02 14:24:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2023-12-02 14:24:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 14:24:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 14:24:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-12-02 14:24:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-12-02 14:24:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2023-12-02 14:24:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2023-12-02 14:24:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 14:24:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 14:24:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2023-12-02 14:24:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2023-12-02 14:24:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2023-12-02 14:24:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2023-12-02 14:24:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-12-02 14:24:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-12-02 14:24:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 14:24:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2023-12-02 14:24:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2023-12-02 14:24:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-12-02 14:24:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-12-02 14:24:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 14:24:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 14:24:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 14:24:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 14:24:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2023-12-02 14:24:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2023-12-02 14:24:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2023-12-02 14:24:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2023-12-02 14:24:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2023-12-02 14:24:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2023-12-02 14:24:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 14:24:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2023-12-02 14:24:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2023-12-02 14:24:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 14:24:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 14:24:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-12-02 14:24:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-12-02 14:24:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:24:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 14:24:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 14:24:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 14:24:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 14:24:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-12-02 14:24:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-12-02 14:24:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-12-02 14:24:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-12-02 14:24:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-12-02 14:24:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-12-02 14:24:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2023-12-02 14:24:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2023-12-02 14:24:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-12-02 14:24:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-12-02 14:24:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 14:24:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 14:24:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2023-12-02 14:24:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2023-12-02 14:24:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-12-02 14:24:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-12-02 14:24:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-12-02 14:24:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-12-02 14:24:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2023-12-02 14:24:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2023-12-02 14:24:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2023-12-02 14:24:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2023-12-02 14:24:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 14:24:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 14:24:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 14:24:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 14:24:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2023-12-02 14:24:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2023-12-02 14:24:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2023-12-02 14:24:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2023-12-02 14:24:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2023-12-02 14:24:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2023-12-02 14:24:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:24:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2023-12-02 14:24:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2023-12-02 14:24:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-12-02 14:24:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-12-02 14:24:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-12-02 14:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-12-02 14:24:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-12-02 14:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-12-02 14:24:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2023-12-02 14:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2023-12-02 14:24:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-12-02 14:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-12-02 14:24:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-12-02 14:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-12-02 14:24:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:24:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-12-02 14:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-12-02 14:24:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 14:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 14:24:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 14:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 14:24:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:24:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 14:24:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-12-02 14:24:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-12-02 14:24:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alert [2023-12-02 14:24:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alert [2023-12-02 14:24:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2023-12-02 14:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2023-12-02 14:24:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 14:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 14:24:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-12-02 14:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-12-02 14:24:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-12-02 14:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-12-02 14:24:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2023-12-02 14:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2023-12-02 14:24:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 14:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 14:24:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2023-12-02 14:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2023-12-02 14:24:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2023-12-02 14:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2023-12-02 14:24:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 14:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 14:24:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2023-12-02 14:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2023-12-02 14:24:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-12-02 14:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-12-02 14:24:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2023-12-02 14:24:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2023-12-02 14:24:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 14:24:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 14:24:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-12-02 14:24:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-12-02 14:24:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-12-02 14:24:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-12-02 14:24:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-12-02 14:24:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-12-02 14:24:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2023-12-02 14:24:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2023-12-02 14:24:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2023-12-02 14:24:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2023-12-02 14:24:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-12-02 14:24:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-12-02 14:24:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2023-12-02 14:24:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2023-12-02 14:24:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 14:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 14:24:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 14:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 14:24:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2023-12-02 14:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2023-12-02 14:24:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:24:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:24:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2023-12-02 14:24:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2023-12-02 14:24:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-12-02 14:24:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-12-02 14:24:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2023-12-02 14:24:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2023-12-02 14:24:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2023-12-02 14:24:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2023-12-02 14:24:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 14:24:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 14:24:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2023-12-02 14:24:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2023-12-02 14:24:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 14:24:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 14:24:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 14:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 14:24:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2023-12-02 14:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2023-12-02 14:24:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-12-02 14:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-12-02 14:24:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-12-02 14:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-12-02 14:24:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2023-12-02 14:24:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2023-12-02 14:24:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-12-02 14:24:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-12-02 14:24:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-12-02 14:24:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-12-02 14:24:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-12-02 14:24:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-12-02 14:24:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-12-02 14:24:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-12-02 14:24:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-12-02 14:24:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2023-12-02 14:24:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2023-12-02 14:24:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-12-02 14:24:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-12-02 14:24:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2023-12-02 14:24:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2023-12-02 14:24:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2023-12-02 14:24:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2023-12-02 14:24:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-12-02 14:24:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-12-02 14:24:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2023-12-02 14:24:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2023-12-02 14:24:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2023-12-02 14:24:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2023-12-02 14:24:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2023-12-02 14:24:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2023-12-02 14:24:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2023-12-02 14:24:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2023-12-02 14:24:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-12-02 14:24:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-12-02 14:24:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-12-02 14:24:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-12-02 14:24:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-12-02 14:24:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-12-02 14:24:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2023-12-02 14:24:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2023-12-02 14:24:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 14:24:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 14:24:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 14:24:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 14:24:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2023-12-02 14:24:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2023-12-02 14:24:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2023-12-02 14:24:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2023-12-02 14:24:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-12-02 14:24:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-12-02 14:24:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2023-12-02 14:24:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2023-12-02 14:24:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2023-12-02 14:24:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2023-12-02 14:24:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-12-02 14:24:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-12-02 14:24:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2023-12-02 14:24:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2023-12-02 14:24:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-02 14:24:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-02 14:24:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-12-02 14:24:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-12-02 14:24:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:24:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 14:24:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 14:24:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2023-12-02 14:24:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2023-12-02 14:24:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-12-02 14:24:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-12-02 14:24:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2023-12-02 14:24:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2023-12-02 14:24:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-12-02 14:24:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-12-02 14:24:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2023-12-02 14:24:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2023-12-02 14:24:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:24:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-12-02 14:24:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-12-02 14:24:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2023-12-02 14:24:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2023-12-02 14:24:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2023-12-02 14:24:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2023-12-02 14:24:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2023-12-02 14:24:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2023-12-02 14:24:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-12-02 14:24:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-12-02 14:24:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:24:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2023-12-02 14:24:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2023-12-02 14:24:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 14:24:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 14:24:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 14:24:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 14:24:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2023-12-02 14:24:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2023-12-02 14:24:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-12-02 14:24:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-12-02 14:24:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-12-02 14:24:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-12-02 14:24:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2023-12-02 14:24:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2023-12-02 14:24:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 14:24:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 14:24:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-12-02 14:24:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-12-02 14:24:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 14:24:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 14:24:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 14:24:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 14:24:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-12-02 14:24:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-12-02 14:24:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2023-12-02 14:24:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2023-12-02 14:24:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2023-12-02 14:24:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2023-12-02 14:24:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-12-02 14:24:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-12-02 14:24:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-12-02 14:24:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-12-02 14:24:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2023-12-02 14:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2023-12-02 14:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-12-02 14:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-12-02 14:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 14:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 14:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 14:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 14:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-12-02 14:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-12-02 14:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2023-12-02 14:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2023-12-02 14:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-12-02 14:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-12-02 14:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2023-12-02 14:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2023-12-02 14:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-12-02 14:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-12-02 14:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 14:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 14:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-12-02 14:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-12-02 14:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2023-12-02 14:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2023-12-02 14:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 14:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 14:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 14:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 14:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2023-12-02 14:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2023-12-02 14:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-12-02 14:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-12-02 14:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 14:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 14:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-12-02 14:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-12-02 14:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-12-02 14:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-12-02 14:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-12-02 14:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-12-02 14:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2023-12-02 14:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2023-12-02 14:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2023-12-02 14:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2023-12-02 14:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-12-02 14:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-12-02 14:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2023-12-02 14:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2023-12-02 14:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2023-12-02 14:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2023-12-02 14:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-12-02 14:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-12-02 14:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2023-12-02 14:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2023-12-02 14:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2023-12-02 14:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2023-12-02 14:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2023-12-02 14:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2023-12-02 14:24:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2023-12-02 14:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2023-12-02 14:24:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-12-02 14:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-12-02 14:24:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-12-02 14:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-12-02 14:24:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2023-12-02 14:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2023-12-02 14:24:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_crit [2023-12-02 14:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_crit [2023-12-02 14:24:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2023-12-02 14:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2023-12-02 14:24:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 14:24:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 14:24:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2023-12-02 14:24:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2023-12-02 14:24:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2023-12-02 14:24:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2023-12-02 14:24:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-12-02 14:24:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-12-02 14:24:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2023-12-02 14:24:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2023-12-02 14:24:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-12-02 14:24:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-12-02 14:24:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2023-12-02 14:24:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2023-12-02 14:24:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2023-12-02 14:24:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2023-12-02 14:24:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2023-12-02 14:24:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2023-12-02 14:24:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2023-12-02 14:24:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2023-12-02 14:24:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-12-02 14:24:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-12-02 14:24:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 14:24:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 14:24:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-12-02 14:24:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:24:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2023-12-02 14:24:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2023-12-02 14:24:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-12-02 14:24:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-12-02 14:24:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2023-12-02 14:24:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2023-12-02 14:24:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-12-02 14:24:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-12-02 14:24:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-12-02 14:24:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-12-02 14:24:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-12-02 14:24:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-12-02 14:24:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2023-12-02 14:24:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2023-12-02 14:24:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2023-12-02 14:24:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2023-12-02 14:24:23,687 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:24:23,696 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:24:23,792 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 14:24:44,086 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-12-02 14:24:45,404 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:24:54,626 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:24:54,627 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 14:24:54,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:54 BoogieIcfgContainer [2023-12-02 14:24:54,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:24:54,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:24:54,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:24:54,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:24:54,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:24:12" (1/3) ... [2023-12-02 14:24:54,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c2b89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:24:54, skipping insertion in model container [2023-12-02 14:24:54,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:20" (2/3) ... [2023-12-02 14:24:54,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c2b89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:24:54, skipping insertion in model container [2023-12-02 14:24:54,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:54" (3/3) ... [2023-12-02 14:24:54,638 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2023-12-02 14:24:54,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:24:54,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-12-02 14:24:54,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:24:54,784 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;@3fda9873, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:24:54,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-02 14:24:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 4756 states, 3023 states have (on average 1.3350975851802844) internal successors, (4036), 3085 states have internal predecessors, (4036), 1483 states have call successors, (1483), 248 states have call predecessors, (1483), 247 states have return successors, (1476), 1461 states have call predecessors, (1476), 1476 states have call successors, (1476) [2023-12-02 14:24:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-02 14:24:54,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:24:54,827 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:24:54,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:24:54,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:24:54,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1837098545, now seen corresponding path program 1 times [2023-12-02 14:24:54,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:24:54,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610100693] [2023-12-02 14:24:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:24:54,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:24:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:24:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-12-02 14:24:56,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:24:56,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610100693] [2023-12-02 14:24:56,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610100693] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:24:56,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:24:56,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:24:56,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894968760] [2023-12-02 14:24:56,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:24:56,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:24:56,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:24:56,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:24:56,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:24:56,447 INFO L87 Difference]: Start difference. First operand has 4756 states, 3023 states have (on average 1.3350975851802844) internal successors, (4036), 3085 states have internal predecessors, (4036), 1483 states have call successors, (1483), 248 states have call predecessors, (1483), 247 states have return successors, (1476), 1461 states have call predecessors, (1476), 1476 states have call successors, (1476) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-02 14:25:00,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:25:03,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:06,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:25:07,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:25:09,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:11,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:14,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:20,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:22,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:24,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:26,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:25:26,482 INFO L93 Difference]: Finished difference Result 14125 states and 20902 transitions. [2023-12-02 14:25:26,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:25:26,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 201 [2023-12-02 14:25:26,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:25:26,579 INFO L225 Difference]: With dead ends: 14125 [2023-12-02 14:25:26,579 INFO L226 Difference]: Without dead ends: 9395 [2023-12-02 14:25:26,624 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 [2023-12-02 14:25:26,628 INFO L413 NwaCegarLoop]: 6151 mSDtfsCounter, 6866 mSDsluCounter, 6107 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6866 SdHoareTripleChecker+Valid, 12258 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:25:26,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6866 Valid, 12258 Invalid, 1720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1705 Invalid, 8 Unknown, 0 Unchecked, 29.4s Time] [2023-12-02 14:25:26,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9395 states. [2023-12-02 14:25:27,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9395 to 9391. [2023-12-02 14:25:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9391 states, 5988 states have (on average 1.3341683366733468) internal successors, (7989), 6111 states have internal predecessors, (7989), 2910 states have call successors, (2910), 491 states have call predecessors, (2910), 490 states have return successors, (2906), 2876 states have call predecessors, (2906), 2906 states have call successors, (2906) [2023-12-02 14:25:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9391 states to 9391 states and 13805 transitions. [2023-12-02 14:25:27,399 INFO L78 Accepts]: Start accepts. Automaton has 9391 states and 13805 transitions. Word has length 201 [2023-12-02 14:25:27,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:25:27,401 INFO L495 AbstractCegarLoop]: Abstraction has 9391 states and 13805 transitions. [2023-12-02 14:25:27,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-02 14:25:27,402 INFO L276 IsEmpty]: Start isEmpty. Operand 9391 states and 13805 transitions. [2023-12-02 14:25:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-12-02 14:25:27,410 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:25:27,411 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:25:27,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:25:27,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:25:27,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:25:27,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1027516176, now seen corresponding path program 1 times [2023-12-02 14:25:27,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:25:27,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79074142] [2023-12-02 14:25:27,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:25:27,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:25:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:25:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-12-02 14:25:28,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:25:28,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79074142] [2023-12-02 14:25:28,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79074142] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:25:28,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:25:28,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:25:28,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55134945] [2023-12-02 14:25:28,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:25:28,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:25:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:25:28,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:25:28,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:25:28,252 INFO L87 Difference]: Start difference. First operand 9391 states and 13805 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-02 14:25:31,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:25:34,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:38,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:25:41,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:43,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:46,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:47,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:51,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:52,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:54,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:25:56,601 INFO L93 Difference]: Finished difference Result 23438 states and 34446 transitions. [2023-12-02 14:25:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:25:56,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 211 [2023-12-02 14:25:56,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:25:56,690 INFO L225 Difference]: With dead ends: 23438 [2023-12-02 14:25:56,691 INFO L226 Difference]: Without dead ends: 14084 [2023-12-02 14:25:56,737 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 [2023-12-02 14:25:56,739 INFO L413 NwaCegarLoop]: 6130 mSDtfsCounter, 6880 mSDsluCounter, 6107 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6880 SdHoareTripleChecker+Valid, 12237 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:25:56,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6880 Valid, 12237 Invalid, 1723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1710 Invalid, 6 Unknown, 0 Unchecked, 27.7s Time] [2023-12-02 14:25:56,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14084 states. [2023-12-02 14:25:57,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14084 to 14065. [2023-12-02 14:25:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14065 states, 8970 states have (on average 1.3336677814938684) internal successors, (11963), 9157 states have internal predecessors, (11963), 4354 states have call successors, (4354), 739 states have call predecessors, (4354), 738 states have return successors, (4350), 4300 states have call predecessors, (4350), 4350 states have call successors, (4350) [2023-12-02 14:25:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14065 states to 14065 states and 20667 transitions. [2023-12-02 14:25:57,670 INFO L78 Accepts]: Start accepts. Automaton has 14065 states and 20667 transitions. Word has length 211 [2023-12-02 14:25:57,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:25:57,671 INFO L495 AbstractCegarLoop]: Abstraction has 14065 states and 20667 transitions. [2023-12-02 14:25:57,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-02 14:25:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 14065 states and 20667 transitions. [2023-12-02 14:25:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-02 14:25:57,678 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:25:57,678 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:25:57,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:25:57,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:25:57,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:25:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1457868805, now seen corresponding path program 1 times [2023-12-02 14:25:57,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:25:57,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215042974] [2023-12-02 14:25:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:25:57,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:25:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:25:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-12-02 14:25:58,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:25:58,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215042974] [2023-12-02 14:25:58,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215042974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:25:58,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:25:58,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:25:58,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563774954] [2023-12-02 14:25:58,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:25:58,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:25:58,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:25:58,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:25:58,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:25:58,412 INFO L87 Difference]: Start difference. First operand 14065 states and 20667 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-02 14:26:01,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:26:03,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:05,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:07,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:10,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:12,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:14,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:26:16,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:26:18,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:20,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:24,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:27,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:28,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:26:29,760 INFO L93 Difference]: Finished difference Result 36607 states and 53551 transitions. [2023-12-02 14:26:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:26:29,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 217 [2023-12-02 14:26:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:26:29,873 INFO L225 Difference]: With dead ends: 36607 [2023-12-02 14:26:29,873 INFO L226 Difference]: Without dead ends: 22579 [2023-12-02 14:26:29,927 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 [2023-12-02 14:26:29,928 INFO L413 NwaCegarLoop]: 6251 mSDtfsCounter, 4128 mSDsluCounter, 6059 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4128 SdHoareTripleChecker+Valid, 12310 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:26:29,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4128 Valid, 12310 Invalid, 1772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1758 Invalid, 7 Unknown, 0 Unchecked, 30.6s Time] [2023-12-02 14:26:29,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22579 states. [2023-12-02 14:26:30,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22579 to 22556. [2023-12-02 14:26:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22556 states, 14354 states have (on average 1.3283405322558173) internal successors, (19067), 14660 states have internal predecessors, (19067), 6919 states have call successors, (6919), 1284 states have call predecessors, (6919), 1280 states have return successors, (6915), 6827 states have call predecessors, (6915), 6915 states have call successors, (6915) [2023-12-02 14:26:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22556 states to 22556 states and 32901 transitions. [2023-12-02 14:26:30,917 INFO L78 Accepts]: Start accepts. Automaton has 22556 states and 32901 transitions. Word has length 217 [2023-12-02 14:26:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:26:30,918 INFO L495 AbstractCegarLoop]: Abstraction has 22556 states and 32901 transitions. [2023-12-02 14:26:30,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-02 14:26:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 22556 states and 32901 transitions. [2023-12-02 14:26:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 14:26:30,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:26:30,923 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:26:30,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:26:30,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:26:30,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:26:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1540969626, now seen corresponding path program 1 times [2023-12-02 14:26:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:26:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133527857] [2023-12-02 14:26:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:30,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:26:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-12-02 14:26:31,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:26:31,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133527857] [2023-12-02 14:26:31,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133527857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:26:31,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:26:31,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:26:31,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457870686] [2023-12-02 14:26:31,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:26:31,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:26:31,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:26:31,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:26:31,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:26:31,725 INFO L87 Difference]: Start difference. First operand 22556 states and 32901 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-02 14:26:35,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:26:38,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:40,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:42,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:44,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:47,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:52,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:59,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:00,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:03,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:27:04,061 INFO L93 Difference]: Finished difference Result 48169 states and 70312 transitions. [2023-12-02 14:27:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:27:04,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 219 [2023-12-02 14:27:04,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:27:04,165 INFO L225 Difference]: With dead ends: 48169 [2023-12-02 14:27:04,165 INFO L226 Difference]: Without dead ends: 25650 [2023-12-02 14:27:04,218 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 [2023-12-02 14:27:04,218 INFO L413 NwaCegarLoop]: 10006 mSDtfsCounter, 6103 mSDsluCounter, 6069 mSDsCounter, 0 mSdLazyCounter, 2280 mSolverCounterSat, 18 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6103 SdHoareTripleChecker+Valid, 16075 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2280 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:27:04,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6103 Valid, 16075 Invalid, 2306 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 2280 Invalid, 8 Unknown, 0 Unchecked, 31.5s Time] [2023-12-02 14:27:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25650 states. [2023-12-02 14:27:05,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25650 to 25627. [2023-12-02 14:27:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25627 states, 16415 states have (on average 1.3332318001827597) internal successors, (21885), 16763 states have internal predecessors, (21885), 7741 states have call successors, (7741), 1475 states have call predecessors, (7741), 1468 states have return successors, (7737), 7621 states have call predecessors, (7737), 7737 states have call successors, (7737) [2023-12-02 14:27:05,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25627 states to 25627 states and 37363 transitions. [2023-12-02 14:27:05,224 INFO L78 Accepts]: Start accepts. Automaton has 25627 states and 37363 transitions. Word has length 219 [2023-12-02 14:27:05,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:27:05,225 INFO L495 AbstractCegarLoop]: Abstraction has 25627 states and 37363 transitions. [2023-12-02 14:27:05,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-02 14:27:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 25627 states and 37363 transitions. [2023-12-02 14:27:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-02 14:27:05,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:27:05,229 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 14:27:05,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 14:27:05,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:27:05,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:27:05,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1626190538, now seen corresponding path program 1 times [2023-12-02 14:27:05,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:27:05,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558810944] [2023-12-02 14:27:05,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:27:05,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:27:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:27:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2023-12-02 14:27:07,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:27:07,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558810944] [2023-12-02 14:27:07,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558810944] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:27:07,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:27:07,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:27:07,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735749902] [2023-12-02 14:27:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:27:07,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:27:07,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:27:07,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:27:07,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:27:07,426 INFO L87 Difference]: Start difference. First operand 25627 states and 37363 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 14:27:10,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:12,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:14,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:17,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:20,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:22,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:24,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:26,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:28,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:30,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:36,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:37,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:41,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:27:41,009 INFO L93 Difference]: Finished difference Result 25633 states and 37368 transitions. [2023-12-02 14:27:41,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:27:41,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 243 [2023-12-02 14:27:41,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:27:41,100 INFO L225 Difference]: With dead ends: 25633 [2023-12-02 14:27:41,100 INFO L226 Difference]: Without dead ends: 25631 [2023-12-02 14:27:41,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 14:27:41,112 INFO L413 NwaCegarLoop]: 6118 mSDtfsCounter, 6910 mSDsluCounter, 12230 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 18348 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:27:41,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6913 Valid, 18348 Invalid, 2551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2542 Invalid, 8 Unknown, 0 Unchecked, 32.7s Time] [2023-12-02 14:27:41,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25631 states. [2023-12-02 14:27:42,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25631 to 25631. [2023-12-02 14:27:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25631 states, 16418 states have (on average 1.3331709099768547) internal successors, (21888), 16766 states have internal predecessors, (21888), 7741 states have call successors, (7741), 1476 states have call predecessors, (7741), 1469 states have return successors, (7737), 7621 states have call predecessors, (7737), 7737 states have call successors, (7737) [2023-12-02 14:27:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25631 states to 25631 states and 37366 transitions. [2023-12-02 14:27:42,144 INFO L78 Accepts]: Start accepts. Automaton has 25631 states and 37366 transitions. Word has length 243 [2023-12-02 14:27:42,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:27:42,145 INFO L495 AbstractCegarLoop]: Abstraction has 25631 states and 37366 transitions. [2023-12-02 14:27:42,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 14:27:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 25631 states and 37366 transitions. [2023-12-02 14:27:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-12-02 14:27:42,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:27:42,151 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 2, 2, 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] [2023-12-02 14:27:42,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 14:27:42,151 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:27:42,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:27:42,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2024273906, now seen corresponding path program 1 times [2023-12-02 14:27:42,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:27:42,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482412181] [2023-12-02 14:27:42,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:27:42,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:27:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:27:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1414 trivial. 0 not checked. [2023-12-02 14:27:43,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:27:43,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482412181] [2023-12-02 14:27:43,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482412181] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:27:43,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:27:43,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:27:43,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477777527] [2023-12-02 14:27:43,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:27:43,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:27:43,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:27:43,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:27:43,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:27:43,583 INFO L87 Difference]: Start difference. First operand 25631 states and 37366 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 14:27:46,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:48,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:50,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:53,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:55,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:57,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:59,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:01,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:03,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:05,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:07,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:08,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:15,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:19,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:28:19,610 INFO L93 Difference]: Finished difference Result 25637 states and 37371 transitions. [2023-12-02 14:28:19,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:28:19,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 251 [2023-12-02 14:28:19,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:28:19,716 INFO L225 Difference]: With dead ends: 25637 [2023-12-02 14:28:19,716 INFO L226 Difference]: Without dead ends: 25635 [2023-12-02 14:28:19,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 14:28:19,728 INFO L413 NwaCegarLoop]: 6121 mSDtfsCounter, 6904 mSDsluCounter, 12230 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6906 SdHoareTripleChecker+Valid, 18351 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:28:19,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6906 Valid, 18351 Invalid, 2551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2542 Invalid, 8 Unknown, 0 Unchecked, 35.0s Time] [2023-12-02 14:28:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25635 states. [2023-12-02 14:28:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25635 to 25635. [2023-12-02 14:28:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25635 states, 16421 states have (on average 1.3331100420193653) internal successors, (21891), 16769 states have internal predecessors, (21891), 7741 states have call successors, (7741), 1477 states have call predecessors, (7741), 1470 states have return successors, (7737), 7621 states have call predecessors, (7737), 7737 states have call successors, (7737) [2023-12-02 14:28:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25635 states to 25635 states and 37369 transitions. [2023-12-02 14:28:20,880 INFO L78 Accepts]: Start accepts. Automaton has 25635 states and 37369 transitions. Word has length 251 [2023-12-02 14:28:20,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:28:20,881 INFO L495 AbstractCegarLoop]: Abstraction has 25635 states and 37369 transitions. [2023-12-02 14:28:20,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 14:28:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand 25635 states and 37369 transitions. [2023-12-02 14:28:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-12-02 14:28:20,887 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:28:20,888 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 14:28:20,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 14:28:20,888 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:28:20,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:28:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 208451158, now seen corresponding path program 1 times [2023-12-02 14:28:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:28:20,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116202675] [2023-12-02 14:28:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:28:20,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:28:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:28:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2023-12-02 14:28:22,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:28:22,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116202675] [2023-12-02 14:28:22,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116202675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:28:22,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:28:22,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:28:22,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318181840] [2023-12-02 14:28:22,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:28:22,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:28:22,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:28:22,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:28:22,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:28:22,243 INFO L87 Difference]: Start difference. First operand 25635 states and 37369 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 14:28:25,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:28:27,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:28:29,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:28:32,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:34,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:37,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:39,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:41,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:43,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:45,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:48,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:54,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:57,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:28:57,815 INFO L93 Difference]: Finished difference Result 27685 states and 40222 transitions. [2023-12-02 14:28:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:28:57,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 253 [2023-12-02 14:28:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:28:57,950 INFO L225 Difference]: With dead ends: 27685 [2023-12-02 14:28:57,951 INFO L226 Difference]: Without dead ends: 27681 [2023-12-02 14:28:57,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 14:28:57,968 INFO L413 NwaCegarLoop]: 6247 mSDtfsCounter, 6521 mSDsluCounter, 13198 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6522 SdHoareTripleChecker+Valid, 19445 SdHoareTripleChecker+Invalid, 2712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:28:57,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6522 Valid, 19445 Invalid, 2712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2703 Invalid, 7 Unknown, 0 Unchecked, 34.4s Time] [2023-12-02 14:28:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27681 states. [2023-12-02 14:28:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27681 to 27681. [2023-12-02 14:28:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27681 states, 17703 states have (on average 1.335140936564424) internal successors, (23636), 18063 states have internal predecessors, (23636), 8293 states have call successors, (8293), 1690 states have call predecessors, (8293), 1682 states have return successors, (8289), 8173 states have call predecessors, (8289), 8289 states have call successors, (8289) [2023-12-02 14:28:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27681 states to 27681 states and 40218 transitions. [2023-12-02 14:28:59,246 INFO L78 Accepts]: Start accepts. Automaton has 27681 states and 40218 transitions. Word has length 253 [2023-12-02 14:28:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:28:59,247 INFO L495 AbstractCegarLoop]: Abstraction has 27681 states and 40218 transitions. [2023-12-02 14:28:59,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 14:28:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 27681 states and 40218 transitions. [2023-12-02 14:28:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-12-02 14:28:59,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:28:59,254 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 14:28:59,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 14:28:59,254 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:28:59,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:28:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1121343323, now seen corresponding path program 1 times [2023-12-02 14:28:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:28:59,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438147468] [2023-12-02 14:28:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:28:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:28:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:29:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2023-12-02 14:29:00,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:29:00,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438147468] [2023-12-02 14:29:00,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438147468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:29:00,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:29:00,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:29:00,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486454043] [2023-12-02 14:29:00,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:29:00,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:29:00,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:29:00,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:29:00,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:29:00,724 INFO L87 Difference]: Start difference. First operand 27681 states and 40218 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 14:29:04,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:29:06,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:29:08,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:29:11,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:13,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:15,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:17,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:19,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:21,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:23,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:25,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:36,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:29:36,462 INFO L93 Difference]: Finished difference Result 27681 states and 40218 transitions. [2023-12-02 14:29:36,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:29:36,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 258 [2023-12-02 14:29:36,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:29:36,556 INFO L225 Difference]: With dead ends: 27681 [2023-12-02 14:29:36,556 INFO L226 Difference]: Without dead ends: 27594 [2023-12-02 14:29:36,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 14:29:36,571 INFO L413 NwaCegarLoop]: 6119 mSDtfsCounter, 6901 mSDsluCounter, 12229 mSDsCounter, 0 mSdLazyCounter, 2537 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6901 SdHoareTripleChecker+Valid, 18348 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2537 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:29:36,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6901 Valid, 18348 Invalid, 2546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2537 Invalid, 8 Unknown, 0 Unchecked, 34.5s Time] [2023-12-02 14:29:36,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27594 states. [2023-12-02 14:29:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27594 to 27594. [2023-12-02 14:29:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27594 states, 17679 states have (on average 1.3342383618982974) internal successors, (23588), 18015 states have internal predecessors, (23588), 8238 states have call successors, (8238), 1677 states have call predecessors, (8238), 1675 states have return successors, (8238), 8147 states have call predecessors, (8238), 8238 states have call successors, (8238) [2023-12-02 14:29:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27594 states to 27594 states and 40064 transitions. [2023-12-02 14:29:38,065 INFO L78 Accepts]: Start accepts. Automaton has 27594 states and 40064 transitions. Word has length 258 [2023-12-02 14:29:38,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:29:38,066 INFO L495 AbstractCegarLoop]: Abstraction has 27594 states and 40064 transitions. [2023-12-02 14:29:38,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 14:29:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 27594 states and 40064 transitions. [2023-12-02 14:29:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-12-02 14:29:38,075 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:29:38,075 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 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] [2023-12-02 14:29:38,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 14:29:38,075 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:29:38,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:29:38,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1709662395, now seen corresponding path program 1 times [2023-12-02 14:29:38,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:29:38,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118193659] [2023-12-02 14:29:38,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:29:38,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:29:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:29:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2023-12-02 14:29:38,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:29:38,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118193659] [2023-12-02 14:29:38,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118193659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:29:38,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:29:38,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:29:38,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854380041] [2023-12-02 14:29:38,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:29:38,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:29:38,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:29:38,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:29:38,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:29:38,742 INFO L87 Difference]: Start difference. First operand 27594 states and 40064 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-02 14:29:42,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:29:44,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:29:47,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:50,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:52,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:54,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:29:59,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:00,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:07,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:09,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:12,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:30:13,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:30:13,669 INFO L93 Difference]: Finished difference Result 65344 states and 94996 transitions. [2023-12-02 14:30:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:30:13,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 266 [2023-12-02 14:30:13,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:30:13,790 INFO L225 Difference]: With dead ends: 65344 [2023-12-02 14:30:13,790 INFO L226 Difference]: Without dead ends: 38341 [2023-12-02 14:30:13,854 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 [2023-12-02 14:30:13,855 INFO L413 NwaCegarLoop]: 10765 mSDtfsCounter, 6071 mSDsluCounter, 6038 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6071 SdHoareTripleChecker+Valid, 16803 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:30:13,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6071 Valid, 16803 Invalid, 2458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2435 Invalid, 8 Unknown, 0 Unchecked, 33.0s Time] [2023-12-02 14:30:13,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38341 states. [2023-12-02 14:30:15,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38341 to 38333. [2023-12-02 14:30:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38333 states, 24620 states have (on average 1.336433793663688) internal successors, (32903), 25086 states have internal predecessors, (32903), 11387 states have call successors, (11387), 2326 states have call predecessors, (11387), 2324 states have return successors, (11387), 11259 states have call predecessors, (11387), 11387 states have call successors, (11387) [2023-12-02 14:30:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38333 states to 38333 states and 55677 transitions. [2023-12-02 14:30:15,932 INFO L78 Accepts]: Start accepts. Automaton has 38333 states and 55677 transitions. Word has length 266 [2023-12-02 14:30:15,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:30:15,933 INFO L495 AbstractCegarLoop]: Abstraction has 38333 states and 55677 transitions. [2023-12-02 14:30:15,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-02 14:30:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 38333 states and 55677 transitions. [2023-12-02 14:30:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-12-02 14:30:15,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:30:15,938 INFO L195 NwaCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 4, 4, 3, 3, 3, 2, 2, 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] [2023-12-02 14:30:15,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 14:30:15,939 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:30:15,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:30:15,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1385895784, now seen corresponding path program 1 times [2023-12-02 14:30:15,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:30:15,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198020681] [2023-12-02 14:30:15,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:15,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:30:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:30:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 14:30:16,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:30:16,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198020681] [2023-12-02 14:30:16,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198020681] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:30:16,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:30:16,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:30:16,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809471435] [2023-12-02 14:30:16,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:30:16,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:30:16,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:30:16,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:30:16,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:30:16,356 INFO L87 Difference]: Start difference. First operand 38333 states and 55677 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-02 14:30:20,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:30:21,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:30:23,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:30:26,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:28,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:30,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:33,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:35,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:37,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:38,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:40,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:46,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:48,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:30:50,827 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 [] [2023-12-02 14:30:56,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:30:56,082 INFO L93 Difference]: Finished difference Result 94274 states and 136993 transitions. [2023-12-02 14:30:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:30:56,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 268 [2023-12-02 14:30:56,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:30:56,252 INFO L225 Difference]: With dead ends: 94274 [2023-12-02 14:30:56,252 INFO L226 Difference]: Without dead ends: 56532 [2023-12-02 14:30:56,330 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 [2023-12-02 14:30:56,331 INFO L413 NwaCegarLoop]: 12105 mSDtfsCounter, 6848 mSDsluCounter, 6075 mSDsCounter, 0 mSdLazyCounter, 2535 mSolverCounterSat, 4 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6848 SdHoareTripleChecker+Valid, 18180 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2535 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:30:56,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6848 Valid, 18180 Invalid, 2549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2535 Invalid, 10 Unknown, 0 Unchecked, 37.0s Time] [2023-12-02 14:30:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56532 states. [2023-12-02 14:30:58,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56532 to 56516. [2023-12-02 14:30:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56516 states, 36283 states have (on average 1.3358597690378413) internal successors, (48469), 36977 states have internal predecessors, (48469), 16810 states have call successors, (16810), 3424 states have call predecessors, (16810), 3421 states have return successors, (16810), 16613 states have call predecessors, (16810), 16810 states have call successors, (16810) [2023-12-02 14:30:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56516 states to 56516 states and 82089 transitions. [2023-12-02 14:30:59,246 INFO L78 Accepts]: Start accepts. Automaton has 56516 states and 82089 transitions. Word has length 268 [2023-12-02 14:30:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:30:59,246 INFO L495 AbstractCegarLoop]: Abstraction has 56516 states and 82089 transitions. [2023-12-02 14:30:59,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-02 14:30:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 56516 states and 82089 transitions. [2023-12-02 14:30:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-02 14:30:59,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:30:59,254 INFO L195 NwaCegarLoop]: trace histogram [25, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 14:30:59,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 14:30:59,254 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:30:59,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:30:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1868677081, now seen corresponding path program 1 times [2023-12-02 14:30:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:30:59,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115113410] [2023-12-02 14:30:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:30:59,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:30:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:31:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-12-02 14:31:00,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:31:00,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115113410] [2023-12-02 14:31:00,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115113410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:31:00,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:31:00,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:31:00,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417493898] [2023-12-02 14:31:00,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:31:00,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:31:00,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:31:00,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:31:00,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:31:00,083 INFO L87 Difference]: Start difference. First operand 56516 states and 82089 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-02 14:31:04,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:31:06,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:31:08,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:31:10,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:31:12,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:31:14,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:31:16,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:31:20,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:22,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:24,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:25,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:27,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:30,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:33,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:35,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:37,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:39,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:40,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:42,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:45,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:50,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:52,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:54,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:56,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:31:58,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:00,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:06,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:07,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:09,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:10,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:13,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:16,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:17,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:26,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:32:26,614 INFO L93 Difference]: Finished difference Result 130684 states and 189880 transitions. [2023-12-02 14:32:26,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:32:26,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 292 [2023-12-02 14:32:26,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:32:26,880 INFO L225 Difference]: With dead ends: 130684 [2023-12-02 14:32:26,881 INFO L226 Difference]: Without dead ends: 74759 [2023-12-02 14:32:27,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:32:27,083 INFO L413 NwaCegarLoop]: 12105 mSDtfsCounter, 6848 mSDsluCounter, 30281 mSDsCounter, 0 mSdLazyCounter, 5902 mSolverCounterSat, 1 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6850 SdHoareTripleChecker+Valid, 42386 SdHoareTripleChecker+Invalid, 5922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5902 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:32:27,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6850 Valid, 42386 Invalid, 5922 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 5902 Invalid, 19 Unknown, 0 Unchecked, 82.7s Time] [2023-12-02 14:32:27,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74759 states. [2023-12-02 14:32:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74759 to 74705. [2023-12-02 14:32:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74705 states, 47946 states have (on average 1.3355650106369665) internal successors, (64035), 48868 states have internal predecessors, (64035), 22233 states have call successors, (22233), 4522 states have call predecessors, (22233), 4524 states have return successors, (22251), 21973 states have call predecessors, (22251), 22233 states have call successors, (22251) [2023-12-02 14:32:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74705 states to 74705 states and 108519 transitions. [2023-12-02 14:32:31,413 INFO L78 Accepts]: Start accepts. Automaton has 74705 states and 108519 transitions. Word has length 292 [2023-12-02 14:32:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:32:31,414 INFO L495 AbstractCegarLoop]: Abstraction has 74705 states and 108519 transitions. [2023-12-02 14:32:31,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-02 14:32:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 74705 states and 108519 transitions. [2023-12-02 14:32:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-12-02 14:32:31,424 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:32:31,424 INFO L195 NwaCegarLoop]: trace histogram [25, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 14:32:31,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 14:32:31,424 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:32:31,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:32:31,425 INFO L85 PathProgramCache]: Analyzing trace with hash 125501028, now seen corresponding path program 1 times [2023-12-02 14:32:31,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:32:31,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074612898] [2023-12-02 14:32:31,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:32:31,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:32:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:32:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-12-02 14:32:32,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:32:32,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074612898] [2023-12-02 14:32:32,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074612898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:32:32,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:32:32,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:32:32,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260336928] [2023-12-02 14:32:32,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:32:32,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:32:32,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:32:32,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:32:32,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:32:32,391 INFO L87 Difference]: Start difference. First operand 74705 states and 108519 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-02 14:32:37,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:32:38,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:32:40,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:32:42,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:32:45,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:32:47,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:32:51,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:53,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:55,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:32:57,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:00,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:02,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:04,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:06,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:08,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:10,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:12,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:14,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:16,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:18,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:24,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:26,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:28,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:29,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:31,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:33,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:39,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:41,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:43,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:48,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:33:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:33:58,191 INFO L93 Difference]: Finished difference Result 167086 states and 242782 transitions. [2023-12-02 14:33:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:33:58,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 293 [2023-12-02 14:33:58,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:33:58,525 INFO L225 Difference]: With dead ends: 167086 [2023-12-02 14:33:58,525 INFO L226 Difference]: Without dead ends: 92972 [2023-12-02 14:33:58,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:33:58,708 INFO L413 NwaCegarLoop]: 12065 mSDtfsCounter, 6849 mSDsluCounter, 30200 mSDsCounter, 0 mSdLazyCounter, 5886 mSolverCounterSat, 3 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6849 SdHoareTripleChecker+Valid, 42265 SdHoareTripleChecker+Invalid, 5913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5886 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:33:58,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6849 Valid, 42265 Invalid, 5913 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 5886 Invalid, 24 Unknown, 0 Unchecked, 80.8s Time] [2023-12-02 14:33:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92972 states. [2023-12-02 14:34:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92972 to 92906. [2023-12-02 14:34:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92906 states, 59621 states have (on average 1.3353180926183728) internal successors, (79613), 60771 states have internal predecessors, (79613), 27656 states have call successors, (27656), 5620 states have call predecessors, (27656), 5627 states have return successors, (27692), 27333 states have call predecessors, (27692), 27656 states have call successors, (27692) [2023-12-02 14:34:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92906 states to 92906 states and 134961 transitions. [2023-12-02 14:34:03,655 INFO L78 Accepts]: Start accepts. Automaton has 92906 states and 134961 transitions. Word has length 293 [2023-12-02 14:34:03,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:03,655 INFO L495 AbstractCegarLoop]: Abstraction has 92906 states and 134961 transitions. [2023-12-02 14:34:03,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-02 14:34:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 92906 states and 134961 transitions. [2023-12-02 14:34:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-12-02 14:34:03,665 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:03,666 INFO L195 NwaCegarLoop]: trace histogram [25, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 14:34:03,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 14:34:03,666 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:34:03,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1542739708, now seen corresponding path program 1 times [2023-12-02 14:34:03,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:03,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708677610] [2023-12-02 14:34:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:03,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2023-12-02 14:34:05,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:05,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708677610] [2023-12-02 14:34:05,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708677610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:34:05,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:34:05,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:34:05,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121239840] [2023-12-02 14:34:05,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:34:05,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:34:05,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:05,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:34:05,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:34:05,987 INFO L87 Difference]: Start difference. First operand 92906 states and 134961 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 14:34:10,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:34:12,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:34:14,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:34:18,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:34:20,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:34:22,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:34:24,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:34:26,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:34:27,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:34:29,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:34:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:34:41,264 INFO L93 Difference]: Finished difference Result 92906 states and 134961 transitions. [2023-12-02 14:34:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:34:41,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 294 [2023-12-02 14:34:41,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:34:41,565 INFO L225 Difference]: With dead ends: 92906 [2023-12-02 14:34:41,565 INFO L226 Difference]: Without dead ends: 92904 [2023-12-02 14:34:41,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:34:41,599 INFO L413 NwaCegarLoop]: 6213 mSDtfsCounter, 6467 mSDsluCounter, 13140 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6468 SdHoareTripleChecker+Valid, 19353 SdHoareTripleChecker+Invalid, 2694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:34:41,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6468 Valid, 19353 Invalid, 2694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2686 Invalid, 7 Unknown, 0 Unchecked, 31.7s Time] [2023-12-02 14:34:41,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92904 states. [2023-12-02 14:34:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92904 to 92904. [2023-12-02 14:34:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92904 states, 59620 states have (on average 1.3349547131834956) internal successors, (79590), 60769 states have internal predecessors, (79590), 27656 states have call successors, (27656), 5620 states have call predecessors, (27656), 5627 states have return successors, (27692), 27333 states have call predecessors, (27692), 27656 states have call successors, (27692) [2023-12-02 14:34:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92904 states to 92904 states and 134938 transitions. [2023-12-02 14:34:46,351 INFO L78 Accepts]: Start accepts. Automaton has 92904 states and 134938 transitions. Word has length 294 [2023-12-02 14:34:46,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:46,352 INFO L495 AbstractCegarLoop]: Abstraction has 92904 states and 134938 transitions. [2023-12-02 14:34:46,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 14:34:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 92904 states and 134938 transitions. [2023-12-02 14:34:46,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-12-02 14:34:46,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:46,370 INFO L195 NwaCegarLoop]: trace histogram [25, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2023-12-02 14:34:46,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 14:34:46,370 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:34:46,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1232545828, now seen corresponding path program 1 times [2023-12-02 14:34:46,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:46,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986261777] [2023-12-02 14:34:46,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:46,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1553 trivial. 0 not checked. [2023-12-02 14:34:47,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:47,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986261777] [2023-12-02 14:34:47,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986261777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:34:47,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:34:47,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:34:47,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162537137] [2023-12-02 14:34:47,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:34:47,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:34:47,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:47,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:34:47,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:34:47,524 INFO L87 Difference]: Start difference. First operand 92904 states and 134938 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-12-02 14:34:51,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:34:54,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:34:57,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:00,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:01,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:04,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:05,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:08,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:10,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:12,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:16,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:19,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:27,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:35:27,932 INFO L93 Difference]: Finished difference Result 276638 states and 402000 transitions. [2023-12-02 14:35:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:35:27,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 327 [2023-12-02 14:35:27,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:35:28,874 INFO L225 Difference]: With dead ends: 276638 [2023-12-02 14:35:28,874 INFO L226 Difference]: Without dead ends: 184325 [2023-12-02 14:35:29,117 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 [2023-12-02 14:35:29,118 INFO L413 NwaCegarLoop]: 7352 mSDtfsCounter, 6837 mSDsluCounter, 6074 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6837 SdHoareTripleChecker+Valid, 13426 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:35:29,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6837 Valid, 13426 Invalid, 1884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1873 Invalid, 8 Unknown, 0 Unchecked, 32.4s Time] [2023-12-02 14:35:29,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184325 states. [2023-12-02 14:35:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184325 to 184323. [2023-12-02 14:35:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184323 states, 118417 states have (on average 1.3353825886485893) internal successors, (158132), 120646 states have internal predecessors, (158132), 54789 states have call successors, (54789), 11102 states have call predecessors, (54789), 11116 states have return successors, (54861), 54211 states have call predecessors, (54861), 54789 states have call successors, (54861) [2023-12-02 14:35:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184323 states to 184323 states and 267782 transitions. [2023-12-02 14:35:40,530 INFO L78 Accepts]: Start accepts. Automaton has 184323 states and 267782 transitions. Word has length 327 [2023-12-02 14:35:40,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:35:40,531 INFO L495 AbstractCegarLoop]: Abstraction has 184323 states and 267782 transitions. [2023-12-02 14:35:40,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-12-02 14:35:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 184323 states and 267782 transitions. [2023-12-02 14:35:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-12-02 14:35:40,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:35:40,571 INFO L195 NwaCegarLoop]: trace histogram [27, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:35:40,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 14:35:40,572 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:35:40,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:35:40,572 INFO L85 PathProgramCache]: Analyzing trace with hash -531865030, now seen corresponding path program 1 times [2023-12-02 14:35:40,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:35:40,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773954023] [2023-12-02 14:35:40,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:35:40,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:35:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:35:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1710 trivial. 0 not checked. [2023-12-02 14:35:42,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:35:42,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773954023] [2023-12-02 14:35:42,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773954023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:35:42,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:35:42,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 14:35:42,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866950898] [2023-12-02 14:35:42,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:35:42,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:35:42,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:35:42,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:35:42,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:35:42,338 INFO L87 Difference]: Start difference. First operand 184323 states and 267782 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-02 14:35:46,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:35:48,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:35:50,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:35:54,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:56,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:35:58,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:36:00,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:36:02,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:36:05,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:36:06,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:36:07,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:36:16,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:36:26,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:36:26,677 INFO L93 Difference]: Finished difference Result 368441 states and 537558 transitions. [2023-12-02 14:36:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:36:26,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 346 [2023-12-02 14:36:26,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:36:27,788 INFO L225 Difference]: With dead ends: 368441 [2023-12-02 14:36:27,788 INFO L226 Difference]: Without dead ends: 184709 [2023-12-02 14:36:28,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:36:28,434 INFO L413 NwaCegarLoop]: 6067 mSDtfsCounter, 6 mSDsluCounter, 12101 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18168 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2023-12-02 14:36:28,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18168 Invalid, 2640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 2602 Invalid, 9 Unknown, 0 Unchecked, 34.9s Time] [2023-12-02 14:36:28,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184709 states. [2023-12-02 14:36:38,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184709 to 184559. [2023-12-02 14:36:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184559 states, 118579 states have (on average 1.3359195135732296) internal successors, (158412), 120838 states have internal predecessors, (158412), 54789 states have call successors, (54789), 11146 states have call predecessors, (54789), 11190 states have return successors, (55471), 54211 states have call predecessors, (55471), 54789 states have call successors, (55471) [2023-12-02 14:36:39,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184559 states to 184559 states and 268672 transitions. [2023-12-02 14:36:39,845 INFO L78 Accepts]: Start accepts. Automaton has 184559 states and 268672 transitions. Word has length 346 [2023-12-02 14:36:39,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:36:39,846 INFO L495 AbstractCegarLoop]: Abstraction has 184559 states and 268672 transitions. [2023-12-02 14:36:39,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-02 14:36:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 184559 states and 268672 transitions. [2023-12-02 14:36:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-12-02 14:36:39,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:36:39,869 INFO L195 NwaCegarLoop]: trace histogram [27, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:36:39,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 14:36:39,869 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-02 14:36:39,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:36:39,869 INFO L85 PathProgramCache]: Analyzing trace with hash 94907842, now seen corresponding path program 1 times [2023-12-02 14:36:39,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:36:39,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326459846] [2023-12-02 14:36:39,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:36:39,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:36:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:36:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1710 trivial. 0 not checked. [2023-12-02 14:36:41,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:36:41,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326459846] [2023-12-02 14:36:41,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326459846] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:36:41,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029481611] [2023-12-02 14:36:41,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:36:41,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:36:41,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:36:41,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:36:41,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e27fae2-5eae-42ce-a81d-96570579a950/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:36:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:36:43,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 9117 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 14:36:43,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:36:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2023-12-02 14:36:44,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:36:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 1661 trivial. 0 not checked. [2023-12-02 14:36:44,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029481611] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:36:44,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1251019329] [2023-12-02 14:36:44,728 INFO L159 IcfgInterpreter]: Started Sifa with 144 locations of interest [2023-12-02 14:36:44,728 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:36:44,733 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:36:44,738 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:36:44,739 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs