./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.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_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/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_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/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_079047c8-8847-4fd9-839d-f90c796e9e53/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 ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:50:20,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:50:20,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:50:20,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:50:20,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:50:20,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:50:20,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:50:20,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:50:20,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:50:20,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:50:20,536 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:50:20,536 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:50:20,537 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:50:20,537 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:50:20,538 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:50:20,539 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:50:20,539 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:50:20,540 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:50:20,540 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:50:20,541 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:50:20,541 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:50:20,542 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:50:20,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:50:20,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:50:20,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:50:20,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:50:20,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:50:20,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:50:20,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:50:20,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:50:20,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:50:20,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:50:20,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:50:20,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:50:20,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:50:20,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:50:20,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:50:20,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:50:20,548 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:50:20,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:50:20,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:50:20,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:50:20,549 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:50:20,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:50:20,550 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_079047c8-8847-4fd9-839d-f90c796e9e53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2023-12-02 12:50:20,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:50:20,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:50:20,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:50:20,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:50:20,801 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:50:20,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-12-02 12:50:23,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:50:24,323 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:50:24,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-12-02 12:50:24,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/data/27dab12c4/66683f87e42447e08707a2b046b11335/FLAG86d5ff30b [2023-12-02 12:50:24,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/data/27dab12c4/66683f87e42447e08707a2b046b11335 [2023-12-02 12:50:24,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:50:24,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:50:24,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:50:24,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:50:24,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:50:24,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:24" (1/1) ... [2023-12-02 12:50:24,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e92517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:24, skipping insertion in model container [2023-12-02 12:50:24,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:24" (1/1) ... [2023-12-02 12:50:24,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:50:28,908 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_079047c8-8847-4fd9-839d-f90c796e9e53/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2023-12-02 12:50:28,914 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_079047c8-8847-4fd9-839d-f90c796e9e53/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2023-12-02 12:50:28,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:50:29,009 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:50:29,144 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"); [5372] [2023-12-02 12:50:29,146 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)); [5379] [2023-12-02 12:50:29,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5386] [2023-12-02 12:50:29,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5431-5432] [2023-12-02 12:50:29,149 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"); [5437-5439] [2023-12-02 12:50:29,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5464-5465] [2023-12-02 12:50:29,150 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5470-5472] [2023-12-02 12:50:29,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5496-5497] [2023-12-02 12:50:29,152 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5502-5504] [2023-12-02 12:50:29,161 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)); [5771-5772] [2023-12-02 12:50:29,164 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)); [5805-5806] [2023-12-02 12:50:29,165 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)); [5842-5843] [2023-12-02 12:50:29,166 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)); [5879-5880] [2023-12-02 12:50:29,414 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 *)"drivers/net/ethernet/3com/3c59x.c"), "i" (3233), "i" (12UL)); [11531-11532] [2023-12-02 12:50:29,518 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_079047c8-8847-4fd9-839d-f90c796e9e53/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2023-12-02 12:50:29,519 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_079047c8-8847-4fd9-839d-f90c796e9e53/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2023-12-02 12:50:29,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:50:29,777 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:50:29,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29 WrapperNode [2023-12-02 12:50:29,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:50:29,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:50:29,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:50:29,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:50:29,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:29,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,214 INFO L138 Inliner]: procedures = 567, calls = 4578, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 10361 [2023-12-02 12:50:30,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:50:30,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:50:30,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:50:30,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:50:30,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:50:30,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:50:30,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:50:30,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:50:30,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (1/1) ... [2023-12-02 12:50:30,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:50:30,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:50:30,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:50:30,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079047c8-8847-4fd9-839d-f90c796e9e53/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:50:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 12:50:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 12:50:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 12:50:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 12:50:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-12-02 12:50:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-12-02 12:50:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-12-02 12:50:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-12-02 12:50:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-12-02 12:50:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-12-02 12:50:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-12-02 12:50:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-12-02 12:50:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2023-12-02 12:50:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2023-12-02 12:50:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 12:50:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 12:50:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 12:50:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 12:50:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-12-02 12:50:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-12-02 12:50:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-12-02 12:50:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-12-02 12:50:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-12-02 12:50:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-12-02 12:50:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-12-02 12:50:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-12-02 12:50:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 12:50:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 12:50:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-12-02 12:50:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-12-02 12:50:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-12-02 12:50:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-12-02 12:50:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-12-02 12:50:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-12-02 12:50:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-12-02 12:50:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-12-02 12:50:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-12-02 12:50:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-12-02 12:50:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 12:50:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 12:50:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-12-02 12:50:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-12-02 12:50:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2023-12-02 12:50:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2023-12-02 12:50:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-12-02 12:50:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-12-02 12:50:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 12:50:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 12:50:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 12:50:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 12:50:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 12:50:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 12:50:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-12-02 12:50:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-12-02 12:50:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-12-02 12:50:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-12-02 12:50:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-12-02 12:50:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-12-02 12:50:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 12:50:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 12:50:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 12:50:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 12:50:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-12-02 12:50:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-12-02 12:50:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 12:50:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 12:50:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-12-02 12:50:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-12-02 12:50:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:50:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-12-02 12:50:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-12-02 12:50:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-12-02 12:50:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-12-02 12:50:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 12:50:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 12:50:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2023-12-02 12:50:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2023-12-02 12:50:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 12:50:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 12:50:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2023-12-02 12:50:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2023-12-02 12:50:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 12:50:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-12-02 12:50:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-12-02 12:50:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-12-02 12:50:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-12-02 12:50:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-12-02 12:50:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-12-02 12:50:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 12:50:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 12:50:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-12-02 12:50:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-12-02 12:50:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 12:50:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 12:50:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 12:50:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2023-12-02 12:50:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2023-12-02 12:50:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 12:50:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 12:50:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:50:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-12-02 12:50:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-12-02 12:50:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-12-02 12:50:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-12-02 12:50:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 12:50:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 12:50:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 12:50:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 12:50:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-12-02 12:50:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-12-02 12:50:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-12-02 12:50:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-12-02 12:50:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 12:50:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 12:50:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 12:50:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 12:50:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-12-02 12:50:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-12-02 12:50:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2023-12-02 12:50:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2023-12-02 12:50:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-12-02 12:50:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-12-02 12:50:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 12:50:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 12:50:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-12-02 12:50:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-12-02 12:50:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 12:50:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 12:50:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-12-02 12:50:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-12-02 12:50:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:50:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-12-02 12:50:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-12-02 12:50:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-12-02 12:50:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-12-02 12:50:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-12-02 12:50:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-12-02 12:50:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-12-02 12:50:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-12-02 12:50:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-12-02 12:50:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-12-02 12:50:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-12-02 12:50:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-12-02 12:50:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:50:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 12:50:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 12:50:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 12:50:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 12:50:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:50:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-12-02 12:50:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-12-02 12:50:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 12:50:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 12:50:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-12-02 12:50:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-12-02 12:50:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 12:50:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 12:50:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-12-02 12:50:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-12-02 12:50:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-12-02 12:50:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-12-02 12:50:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-12-02 12:50:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-12-02 12:50:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-12-02 12:50:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-12-02 12:50:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-12-02 12:50:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-12-02 12:50:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-12-02 12:50:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-12-02 12:50:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 12:50:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 12:50:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-12-02 12:50:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-12-02 12:50:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-12-02 12:50:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-12-02 12:50:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-12-02 12:50:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-12-02 12:50:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-12-02 12:50:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-12-02 12:50:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 12:50:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 12:50:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-12-02 12:50:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-12-02 12:50:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-12-02 12:50:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-12-02 12:50:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-12-02 12:50:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-12-02 12:50:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-12-02 12:50:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-12-02 12:50:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-12-02 12:50:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-12-02 12:50:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-12-02 12:50:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-12-02 12:50:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-12-02 12:50:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-12-02 12:50:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-12-02 12:50:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-12-02 12:50:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-12-02 12:50:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-12-02 12:50:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-12-02 12:50:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-12-02 12:50:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-12-02 12:50:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-12-02 12:50:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:50:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:50:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-12-02 12:50:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-12-02 12:50:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 12:50:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 12:50:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 12:50:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 12:50:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-12-02 12:50:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-12-02 12:50:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-12-02 12:50:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-12-02 12:50:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-12-02 12:50:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-12-02 12:50:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 12:50:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 12:50:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-12-02 12:50:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-12-02 12:50:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-02 12:50:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-02 12:50:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-12-02 12:50:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-12-02 12:50:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:50:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2023-12-02 12:50:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2023-12-02 12:50:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-12-02 12:50:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-12-02 12:50:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-12-02 12:50:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-12-02 12:50:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:50:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-12-02 12:50:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-12-02 12:50:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-12-02 12:50:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-12-02 12:50:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 12:50:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 12:50:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 12:50:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 12:50:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 12:50:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-12-02 12:50:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-12-02 12:50:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 12:50:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 12:50:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 12:50:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 12:50:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-12-02 12:50:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-12-02 12:50:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-12-02 12:50:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-12-02 12:50:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-12-02 12:50:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-12-02 12:50:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-12-02 12:50:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-12-02 12:50:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-12-02 12:50:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-12-02 12:50:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-12-02 12:50:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-12-02 12:50:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-12-02 12:50:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-12-02 12:50:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2023-12-02 12:50:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2023-12-02 12:50:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-12-02 12:50:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-12-02 12:50:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 12:50:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 12:50:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-12-02 12:50:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-12-02 12:50:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2023-12-02 12:50:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2023-12-02 12:50:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 12:50:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 12:50:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-12-02 12:50:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-12-02 12:50:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:50:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-12-02 12:50:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-12-02 12:50:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-12-02 12:50:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-12-02 12:50:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-12-02 12:50:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-12-02 12:50:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-12-02 12:50:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-12-02 12:50:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 12:50:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 12:50:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-12-02 12:50:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-12-02 12:50:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-12-02 12:50:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-12-02 12:50:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-12-02 12:50:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-12-02 12:50:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-12-02 12:50:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-12-02 12:50:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-12-02 12:50:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-12-02 12:50:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-12-02 12:50:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-12-02 12:50:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-12-02 12:50:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-12-02 12:50:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 12:50:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 12:50:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-12-02 12:50:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-12-02 12:50:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-12-02 12:50:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-12-02 12:50:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-12-02 12:50:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-12-02 12:50:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2023-12-02 12:50:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2023-12-02 12:50:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 12:50:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 12:50:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2023-12-02 12:50:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2023-12-02 12:50:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2023-12-02 12:50:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2023-12-02 12:50:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:50:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-12-02 12:50:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-12-02 12:50:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-12-02 12:50:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-12-02 12:50:31,950 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:50:31,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:50:33,437 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 12:50:40,822 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-12-02 12:50:40,975 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:50:45,185 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:50:45,186 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 12:50:45,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:45 BoogieIcfgContainer [2023-12-02 12:50:45,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:50:45,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:50:45,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:50:45,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:50:45,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:50:24" (1/3) ... [2023-12-02 12:50:45,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9aa3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:45, skipping insertion in model container [2023-12-02 12:50:45,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:29" (2/3) ... [2023-12-02 12:50:45,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9aa3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:45, skipping insertion in model container [2023-12-02 12:50:45,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:45" (3/3) ... [2023-12-02 12:50:45,198 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-12-02 12:50:45,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:50:45,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:50:45,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:50:45,324 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;@4244319, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:50:45,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:50:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 2594 states, 1547 states have (on average 1.3290239172592113) internal successors, (2056), 1613 states have internal predecessors, (2056), 894 states have call successors, (894), 153 states have call predecessors, (894), 152 states have return successors, (885), 870 states have call predecessors, (885), 885 states have call successors, (885) [2023-12-02 12:50:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-02 12:50:45,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:45,390 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:45,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:50:45,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:45,397 INFO L85 PathProgramCache]: Analyzing trace with hash 726287527, now seen corresponding path program 1 times [2023-12-02 12:50:45,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:50:45,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216311027] [2023-12-02 12:50:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:45,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:50:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:50:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2023-12-02 12:50:46,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:50:46,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216311027] [2023-12-02 12:50:46,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216311027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:50:46,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:50:46,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:50:46,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737065218] [2023-12-02 12:50:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:50:46,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:50:46,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:50:46,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:50:46,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:50:46,919 INFO L87 Difference]: Start difference. First operand has 2594 states, 1547 states have (on average 1.3290239172592113) internal successors, (2056), 1613 states have internal predecessors, (2056), 894 states have call successors, (894), 153 states have call predecessors, (894), 152 states have return successors, (885), 870 states have call predecessors, (885), 885 states have call successors, (885) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 12:50:50,836 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 12:50:52,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:50:54,827 WARN L539 Checker$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 12:50:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:50:55,589 INFO L93 Difference]: Finished difference Result 7602 states and 11334 transitions. [2023-12-02 12:50:55,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:50:55,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 222 [2023-12-02 12:50:55,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:50:55,648 INFO L225 Difference]: With dead ends: 7602 [2023-12-02 12:50:55,648 INFO L226 Difference]: Without dead ends: 4912 [2023-12-02 12:50:55,676 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 12:50:55,680 INFO L413 NwaCegarLoop]: 3364 mSDtfsCounter, 3618 mSDsluCounter, 3311 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3618 SdHoareTripleChecker+Valid, 6675 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:50:55,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3618 Valid, 6675 Invalid, 1029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1010 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2023-12-02 12:50:55,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4912 states. [2023-12-02 12:50:56,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4912 to 4909. [2023-12-02 12:50:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 2952 states have (on average 1.3255420054200542) internal successors, (3913), 3080 states have internal predecessors, (3913), 1659 states have call successors, (1659), 297 states have call predecessors, (1659), 297 states have return successors, (1659), 1628 states have call predecessors, (1659), 1659 states have call successors, (1659) [2023-12-02 12:50:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 7231 transitions. [2023-12-02 12:50:56,133 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 7231 transitions. Word has length 222 [2023-12-02 12:50:56,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:50:56,135 INFO L495 AbstractCegarLoop]: Abstraction has 4909 states and 7231 transitions. [2023-12-02 12:50:56,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 12:50:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 7231 transitions. [2023-12-02 12:50:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-02 12:50:56,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:56,151 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:56,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:50:56,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:50:56,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:56,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2129126860, now seen corresponding path program 1 times [2023-12-02 12:50:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:50:56,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31375177] [2023-12-02 12:50:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:50:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:50:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2023-12-02 12:50:57,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:50:57,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31375177] [2023-12-02 12:50:57,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31375177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:50:57,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:50:57,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:50:57,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251381385] [2023-12-02 12:50:57,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:50:57,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:50:57,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:50:57,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:50:57,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:50:57,029 INFO L87 Difference]: Start difference. First operand 4909 states and 7231 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 12:51:01,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:03,558 WARN L539 Checker$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 12:51:06,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:51:06,313 INFO L93 Difference]: Finished difference Result 14370 states and 21171 transitions. [2023-12-02 12:51:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:51:06,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 223 [2023-12-02 12:51:06,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:51:06,410 INFO L225 Difference]: With dead ends: 14370 [2023-12-02 12:51:06,411 INFO L226 Difference]: Without dead ends: 9496 [2023-12-02 12:51:06,449 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 12:51:06,451 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 3450 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 7091 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:51:06,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 7091 Invalid, 1130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1100 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2023-12-02 12:51:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9496 states. [2023-12-02 12:51:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9496 to 9490. [2023-12-02 12:51:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9490 states, 5694 states have (on average 1.319107832806463) internal successors, (7511), 5950 states have internal predecessors, (7511), 3210 states have call successors, (3210), 585 states have call predecessors, (3210), 585 states have return successors, (3210), 3147 states have call predecessors, (3210), 3210 states have call successors, (3210) [2023-12-02 12:51:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9490 states to 9490 states and 13931 transitions. [2023-12-02 12:51:07,273 INFO L78 Accepts]: Start accepts. Automaton has 9490 states and 13931 transitions. Word has length 223 [2023-12-02 12:51:07,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:51:07,274 INFO L495 AbstractCegarLoop]: Abstraction has 9490 states and 13931 transitions. [2023-12-02 12:51:07,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 12:51:07,275 INFO L276 IsEmpty]: Start isEmpty. Operand 9490 states and 13931 transitions. [2023-12-02 12:51:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-02 12:51:07,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:51:07,291 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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 12:51:07,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 12:51:07,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:51:07,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:51:07,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1581600899, now seen corresponding path program 1 times [2023-12-02 12:51:07,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:51:07,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218072505] [2023-12-02 12:51:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:07,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:51:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2023-12-02 12:51:08,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:51:08,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218072505] [2023-12-02 12:51:08,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218072505] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:51:08,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:51:08,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:51:08,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799822717] [2023-12-02 12:51:08,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:51:08,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:51:08,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:51:08,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:51:08,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:51:08,011 INFO L87 Difference]: Start difference. First operand 9490 states and 13931 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-12-02 12:51:11,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:15,258 WARN L539 Checker$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 12:51:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:51:16,360 INFO L93 Difference]: Finished difference Result 27744 states and 40814 transitions. [2023-12-02 12:51:16,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:51:16,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 235 [2023-12-02 12:51:16,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:51:16,539 INFO L225 Difference]: With dead ends: 27744 [2023-12-02 12:51:16,539 INFO L226 Difference]: Without dead ends: 18289 [2023-12-02 12:51:16,604 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 12:51:16,605 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 3490 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3490 SdHoareTripleChecker+Valid, 6449 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:51:16,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3490 Valid, 6449 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 955 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2023-12-02 12:51:16,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18289 states. [2023-12-02 12:51:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18289 to 18279. [2023-12-02 12:51:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18279 states, 10953 states have (on average 1.3164429836574454) internal successors, (14419), 11445 states have internal predecessors, (14419), 6171 states have call successors, (6171), 1162 states have call predecessors, (6171), 1154 states have return successors, (6332), 6021 states have call predecessors, (6332), 6171 states have call successors, (6332) [2023-12-02 12:51:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18279 states to 18279 states and 26922 transitions. [2023-12-02 12:51:17,747 INFO L78 Accepts]: Start accepts. Automaton has 18279 states and 26922 transitions. Word has length 235 [2023-12-02 12:51:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:51:17,748 INFO L495 AbstractCegarLoop]: Abstraction has 18279 states and 26922 transitions. [2023-12-02 12:51:17,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-12-02 12:51:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 18279 states and 26922 transitions. [2023-12-02 12:51:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-12-02 12:51:17,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:51:17,761 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:17,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 12:51:17,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:51:17,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:51:17,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1415562073, now seen corresponding path program 1 times [2023-12-02 12:51:17,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:51:17,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807420879] [2023-12-02 12:51:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:17,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:51:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2023-12-02 12:51:18,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:51:18,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807420879] [2023-12-02 12:51:18,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807420879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:51:18,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:51:18,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:51:18,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401172309] [2023-12-02 12:51:18,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:51:18,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:51:18,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:51:18,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:51:18,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:51:18,146 INFO L87 Difference]: Start difference. First operand 18279 states and 26922 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-12-02 12:51:22,460 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 12:51:25,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:51:25,481 INFO L93 Difference]: Finished difference Result 54190 states and 79797 transitions. [2023-12-02 12:51:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:51:25,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 247 [2023-12-02 12:51:25,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:51:25,753 INFO L225 Difference]: With dead ends: 54190 [2023-12-02 12:51:25,754 INFO L226 Difference]: Without dead ends: 35946 [2023-12-02 12:51:25,866 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 12:51:25,867 INFO L413 NwaCegarLoop]: 4152 mSDtfsCounter, 3564 mSDsluCounter, 3216 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3564 SdHoareTripleChecker+Valid, 7368 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:51:25,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3564 Valid, 7368 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1103 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-12-02 12:51:25,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35946 states. [2023-12-02 12:51:27,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35946 to 35928. [2023-12-02 12:51:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35928 states, 21538 states have (on average 1.3139567276441637) internal successors, (28300), 22527 states have internal predecessors, (28300), 12109 states have call successors, (12109), 2296 states have call predecessors, (12109), 2280 states have return successors, (12421), 11803 states have call predecessors, (12421), 12109 states have call successors, (12421) [2023-12-02 12:51:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35928 states to 35928 states and 52830 transitions. [2023-12-02 12:51:27,883 INFO L78 Accepts]: Start accepts. Automaton has 35928 states and 52830 transitions. Word has length 247 [2023-12-02 12:51:27,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:51:27,884 INFO L495 AbstractCegarLoop]: Abstraction has 35928 states and 52830 transitions. [2023-12-02 12:51:27,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-12-02 12:51:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 35928 states and 52830 transitions. [2023-12-02 12:51:27,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-12-02 12:51:27,911 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:51:27,911 INFO L195 NwaCegarLoop]: trace histogram [20, 17, 17, 17, 17, 17, 17, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:51:27,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 12:51:27,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:51:27,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:51:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash 35169838, now seen corresponding path program 1 times [2023-12-02 12:51:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:51:27,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125162258] [2023-12-02 12:51:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:27,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:51:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2023-12-02 12:51:28,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:51:28,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125162258] [2023-12-02 12:51:28,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125162258] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:51:28,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:51:28,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:51:28,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233577129] [2023-12-02 12:51:28,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:51:28,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:51:28,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:51:28,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:51:28,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:51:28,547 INFO L87 Difference]: Start difference. First operand 35928 states and 52830 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-02 12:51:31,780 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 12:51:34,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:36,098 WARN L539 Checker$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 12:51:39,608 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 12:51:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:51:41,679 INFO L93 Difference]: Finished difference Result 84641 states and 123368 transitions. [2023-12-02 12:51:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:51:41,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 262 [2023-12-02 12:51:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:51:41,902 INFO L225 Difference]: With dead ends: 84641 [2023-12-02 12:51:41,902 INFO L226 Difference]: Without dead ends: 48748 [2023-12-02 12:51:42,013 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 12:51:42,014 INFO L413 NwaCegarLoop]: 3716 mSDtfsCounter, 2991 mSDsluCounter, 3202 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2991 SdHoareTripleChecker+Valid, 6918 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:51:42,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2991 Valid, 6918 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1003 Invalid, 4 Unknown, 0 Unchecked, 11.2s Time] [2023-12-02 12:51:42,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48748 states. [2023-12-02 12:51:44,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48748 to 48746. [2023-12-02 12:51:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48746 states, 28828 states have (on average 1.2989107811849592) internal successors, (37445), 30114 states have internal predecessors, (37445), 16403 states have call successors, (16403), 3532 states have call predecessors, (16403), 3514 states have return successors, (16733), 16022 states have call predecessors, (16733), 16403 states have call successors, (16733) [2023-12-02 12:51:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48746 states to 48746 states and 70581 transitions. [2023-12-02 12:51:44,470 INFO L78 Accepts]: Start accepts. Automaton has 48746 states and 70581 transitions. Word has length 262 [2023-12-02 12:51:44,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:51:44,471 INFO L495 AbstractCegarLoop]: Abstraction has 48746 states and 70581 transitions. [2023-12-02 12:51:44,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-02 12:51:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 48746 states and 70581 transitions. [2023-12-02 12:51:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-12-02 12:51:44,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:51:44,488 INFO L195 NwaCegarLoop]: trace histogram [22, 17, 17, 17, 17, 17, 17, 5, 5, 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] [2023-12-02 12:51:44,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 12:51:44,488 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:51:44,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:51:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2072444811, now seen corresponding path program 1 times [2023-12-02 12:51:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:51:44,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616473148] [2023-12-02 12:51:44,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:51:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2023-12-02 12:51:45,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:51:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616473148] [2023-12-02 12:51:45,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616473148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:51:45,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:51:45,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:51:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285020833] [2023-12-02 12:51:45,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:51:45,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:51:45,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:51:45,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:51:45,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:51:45,035 INFO L87 Difference]: Start difference. First operand 48746 states and 70581 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-02 12:51:48,357 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 12:51:50,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:52,501 WARN L539 Checker$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 12:51:55,097 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 12:51:57,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:51:57,919 INFO L93 Difference]: Finished difference Result 116614 states and 168639 transitions. [2023-12-02 12:51:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:51:57,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 271 [2023-12-02 12:51:57,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:51:58,220 INFO L225 Difference]: With dead ends: 116614 [2023-12-02 12:51:58,220 INFO L226 Difference]: Without dead ends: 70198 [2023-12-02 12:51:58,514 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 12:51:58,515 INFO L413 NwaCegarLoop]: 5981 mSDtfsCounter, 3507 mSDsluCounter, 3200 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3507 SdHoareTripleChecker+Valid, 9181 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:51:58,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3507 Valid, 9181 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1394 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2023-12-02 12:51:58,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70198 states. [2023-12-02 12:52:01,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70198 to 70188. [2023-12-02 12:52:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70188 states, 41454 states have (on average 1.2971004004438655) internal successors, (53770), 43304 states have internal predecessors, (53770), 23591 states have call successors, (23591), 5168 states have call predecessors, (23591), 5142 states have return successors, (24059), 23037 states have call predecessors, (24059), 23591 states have call successors, (24059) [2023-12-02 12:52:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70188 states to 70188 states and 101420 transitions. [2023-12-02 12:52:01,823 INFO L78 Accepts]: Start accepts. Automaton has 70188 states and 101420 transitions. Word has length 271 [2023-12-02 12:52:01,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:01,824 INFO L495 AbstractCegarLoop]: Abstraction has 70188 states and 101420 transitions. [2023-12-02 12:52:01,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-02 12:52:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 70188 states and 101420 transitions. [2023-12-02 12:52:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-12-02 12:52:01,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:01,837 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:52:01,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 12:52:01,838 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:01,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:01,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2122130589, now seen corresponding path program 1 times [2023-12-02 12:52:01,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:52:01,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771937611] [2023-12-02 12:52:01,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:01,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:52:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2023-12-02 12:52:02,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:52:02,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771937611] [2023-12-02 12:52:02,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771937611] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:52:02,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:52:02,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:52:02,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075907136] [2023-12-02 12:52:02,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:52:02,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:52:02,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:52:02,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:52:02,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:52:02,219 INFO L87 Difference]: Start difference. First operand 70188 states and 101420 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-12-02 12:52:04,243 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 12:52:06,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:11,748 WARN L539 Checker$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 12:52:15,207 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 12:52:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:52:17,669 INFO L93 Difference]: Finished difference Result 193852 states and 278838 transitions. [2023-12-02 12:52:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:52:17,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 284 [2023-12-02 12:52:17,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:52:18,203 INFO L225 Difference]: With dead ends: 193852 [2023-12-02 12:52:18,203 INFO L226 Difference]: Without dead ends: 123699 [2023-12-02 12:52:18,621 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 12:52:18,622 INFO L413 NwaCegarLoop]: 3256 mSDtfsCounter, 3313 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 6424 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:52:18,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 6424 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 993 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2023-12-02 12:52:18,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123699 states. [2023-12-02 12:52:24,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123699 to 123649. [2023-12-02 12:52:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123649 states, 72819 states have (on average 1.2868070146527693) internal successors, (93704), 75969 states have internal predecessors, (93704), 41367 states have call successors, (41367), 9538 states have call predecessors, (41367), 9462 states have return successors, (42225), 40343 states have call predecessors, (42225), 41367 states have call successors, (42225) [2023-12-02 12:52:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123649 states to 123649 states and 177296 transitions. [2023-12-02 12:52:25,004 INFO L78 Accepts]: Start accepts. Automaton has 123649 states and 177296 transitions. Word has length 284 [2023-12-02 12:52:25,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:25,004 INFO L495 AbstractCegarLoop]: Abstraction has 123649 states and 177296 transitions. [2023-12-02 12:52:25,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-12-02 12:52:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 123649 states and 177296 transitions. [2023-12-02 12:52:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-12-02 12:52:25,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:25,021 INFO L195 NwaCegarLoop]: trace histogram [24, 17, 17, 17, 17, 17, 17, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:25,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 12:52:25,021 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:25,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:25,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1314532917, now seen corresponding path program 1 times [2023-12-02 12:52:25,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:52:25,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488042121] [2023-12-02 12:52:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:25,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:52:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2023-12-02 12:52:25,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:52:25,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488042121] [2023-12-02 12:52:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488042121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:52:25,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:52:25,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:52:25,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222731449] [2023-12-02 12:52:25,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:52:25,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:52:25,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:52:25,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:52:25,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:52:25,879 INFO L87 Difference]: Start difference. First operand 123649 states and 177296 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 12:52:28,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:31,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:34,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:52:42,591 INFO L93 Difference]: Finished difference Result 306533 states and 439673 transitions. [2023-12-02 12:52:42,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:52:42,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 302 [2023-12-02 12:52:42,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:52:43,511 INFO L225 Difference]: With dead ends: 306533 [2023-12-02 12:52:43,512 INFO L226 Difference]: Without dead ends: 183023 [2023-12-02 12:52:43,904 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 12:52:43,905 INFO L413 NwaCegarLoop]: 6356 mSDtfsCounter, 3569 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3569 SdHoareTripleChecker+Valid, 9570 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:52:43,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3569 Valid, 9570 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1434 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2023-12-02 12:52:44,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183023 states. [2023-12-02 12:52:52,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183023 to 182973. [2023-12-02 12:52:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182973 states, 107770 states have (on average 1.2863227243203117) internal successors, (138627), 112466 states have internal predecessors, (138627), 61193 states have call successors, (61193), 14121 states have call predecessors, (61193), 14009 states have return successors, (62464), 59657 states have call predecessors, (62464), 61193 states have call successors, (62464) [2023-12-02 12:52:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182973 states to 182973 states and 262284 transitions. [2023-12-02 12:52:54,282 INFO L78 Accepts]: Start accepts. Automaton has 182973 states and 262284 transitions. Word has length 302 [2023-12-02 12:52:54,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:52:54,283 INFO L495 AbstractCegarLoop]: Abstraction has 182973 states and 262284 transitions. [2023-12-02 12:52:54,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 12:52:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 182973 states and 262284 transitions. [2023-12-02 12:52:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-12-02 12:52:54,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:52:54,322 INFO L195 NwaCegarLoop]: trace histogram [24, 17, 17, 17, 17, 17, 17, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2023-12-02 12:52:54,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 12:52:54,323 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:52:54,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:52:54,323 INFO L85 PathProgramCache]: Analyzing trace with hash -2096205315, now seen corresponding path program 1 times [2023-12-02 12:52:54,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:52:54,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392598356] [2023-12-02 12:52:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:52:54,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:52:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1502 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2023-12-02 12:53:01,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:53:01,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392598356] [2023-12-02 12:53:01,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392598356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:53:01,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:53:01,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 12:53:01,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6895870] [2023-12-02 12:53:01,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:53:01,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:53:01,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:53:01,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:53:01,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:53:01,574 INFO L87 Difference]: Start difference. First operand 182973 states and 262284 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 12:53:04,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:06,607 WARN L539 Checker$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 12:53:12,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:14,057 WARN L539 Checker$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 12:53:15,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:21,113 WARN L539 Checker$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 12:53:23,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:25,743 WARN L539 Checker$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 12:53:27,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:34,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:53:34,065 INFO L93 Difference]: Finished difference Result 198174 states and 283153 transitions. [2023-12-02 12:53:34,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 12:53:34,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 333 [2023-12-02 12:53:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:53:35,073 INFO L225 Difference]: With dead ends: 198174 [2023-12-02 12:53:35,074 INFO L226 Difference]: Without dead ends: 198172 [2023-12-02 12:53:35,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:53:35,149 INFO L413 NwaCegarLoop]: 3241 mSDtfsCounter, 1318 mSDsluCounter, 12222 mSDsCounter, 0 mSdLazyCounter, 3150 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 15463 SdHoareTripleChecker+Invalid, 3163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3150 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:53:35,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 15463 Invalid, 3163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 3150 Invalid, 7 Unknown, 0 Unchecked, 25.2s Time] [2023-12-02 12:53:35,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198172 states. [2023-12-02 12:53:44,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198172 to 198128. [2023-12-02 12:53:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198128 states, 117139 states have (on average 1.2833727452001469) internal successors, (150333), 122097 states have internal predecessors, (150333), 65508 states have call successors, (65508), 15832 states have call predecessors, (65508), 15480 states have return successors, (67253), 63514 states have call predecessors, (67253), 65508 states have call successors, (67253) [2023-12-02 12:53:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198128 states to 198128 states and 283094 transitions. [2023-12-02 12:53:45,904 INFO L78 Accepts]: Start accepts. Automaton has 198128 states and 283094 transitions. Word has length 333 [2023-12-02 12:53:45,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:53:45,905 INFO L495 AbstractCegarLoop]: Abstraction has 198128 states and 283094 transitions. [2023-12-02 12:53:45,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 12:53:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 198128 states and 283094 transitions. [2023-12-02 12:53:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2023-12-02 12:53:45,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:53:45,969 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 9, 9, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:45,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 12:53:45,969 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:53:45,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:53:45,970 INFO L85 PathProgramCache]: Analyzing trace with hash -733581530, now seen corresponding path program 1 times [2023-12-02 12:53:45,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:53:45,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979228439] [2023-12-02 12:53:45,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:45,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:53:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2023-12-02 12:53:47,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:53:47,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979228439] [2023-12-02 12:53:47,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979228439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:53:47,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:53:47,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:53:47,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11088050] [2023-12-02 12:53:47,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:53:47,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:53:47,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:53:47,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:53:47,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:53:47,357 INFO L87 Difference]: Start difference. First operand 198128 states and 283094 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-12-02 12:53:49,710 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 12:53:51,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:53,964 WARN L539 Checker$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 12:54:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:08,322 INFO L93 Difference]: Finished difference Result 458646 states and 655134 transitions. [2023-12-02 12:54:08,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:54:08,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 390 [2023-12-02 12:54:08,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:09,909 INFO L225 Difference]: With dead ends: 458646 [2023-12-02 12:54:09,909 INFO L226 Difference]: Without dead ends: 260675 [2023-12-02 12:54:10,535 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 12:54:10,536 INFO L413 NwaCegarLoop]: 6294 mSDtfsCounter, 3554 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3554 SdHoareTripleChecker+Valid, 9462 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:10,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3554 Valid, 9462 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1430 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-12-02 12:54:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260675 states. [2023-12-02 12:54:24,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260675 to 260643. [2023-12-02 12:54:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260643 states, 154008 states have (on average 1.2822515713469431) internal successors, (197477), 160507 states have internal predecessors, (197477), 86046 states have call successors, (86046), 21042 states have call predecessors, (86046), 20588 states have return successors, (88287), 83442 states have call predecessors, (88287), 86046 states have call successors, (88287) [2023-12-02 12:54:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260643 states to 260643 states and 371810 transitions. [2023-12-02 12:54:26,080 INFO L78 Accepts]: Start accepts. Automaton has 260643 states and 371810 transitions. Word has length 390 [2023-12-02 12:54:26,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:26,081 INFO L495 AbstractCegarLoop]: Abstraction has 260643 states and 371810 transitions. [2023-12-02 12:54:26,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-12-02 12:54:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 260643 states and 371810 transitions. [2023-12-02 12:54:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-12-02 12:54:26,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:26,124 INFO L195 NwaCegarLoop]: trace histogram [25, 17, 17, 17, 17, 17, 17, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:26,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 12:54:26,124 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:26,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:26,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1452355730, now seen corresponding path program 1 times [2023-12-02 12:54:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:54:26,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458844551] [2023-12-02 12:54:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:26,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:54:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1501 trivial. 0 not checked. [2023-12-02 12:54:26,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:54:26,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458844551] [2023-12-02 12:54:26,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458844551] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:54:26,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:54:26,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:54:26,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313632376] [2023-12-02 12:54:26,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:54:26,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:54:26,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:54:26,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:54:26,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:54:26,782 INFO L87 Difference]: Start difference. First operand 260643 states and 371810 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-12-02 12:54:29,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:34,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:51,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:51,843 INFO L93 Difference]: Finished difference Result 636364 states and 907560 transitions. [2023-12-02 12:54:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:54:51,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 380 [2023-12-02 12:54:51,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:53,904 INFO L225 Difference]: With dead ends: 636364 [2023-12-02 12:54:53,904 INFO L226 Difference]: Without dead ends: 375878 [2023-12-02 12:54:55,052 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 12:54:55,052 INFO L413 NwaCegarLoop]: 6258 mSDtfsCounter, 3464 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3464 SdHoareTripleChecker+Valid, 9441 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:55,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3464 Valid, 9441 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1444 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2023-12-02 12:54:55,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375878 states. [2023-12-02 12:55:14,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375878 to 375836. [2023-12-02 12:55:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375836 states, 222036 states have (on average 1.279017816930588) internal successors, (283988), 231369 states have internal predecessors, (283988), 123736 states have call successors, (123736), 30677 states have call predecessors, (123736), 30063 states have return successors, (126496), 120048 states have call predecessors, (126496), 123736 states have call successors, (126496) [2023-12-02 12:55:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375836 states to 375836 states and 534220 transitions. [2023-12-02 12:55:17,285 INFO L78 Accepts]: Start accepts. Automaton has 375836 states and 534220 transitions. Word has length 380 [2023-12-02 12:55:17,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:55:17,286 INFO L495 AbstractCegarLoop]: Abstraction has 375836 states and 534220 transitions. [2023-12-02 12:55:17,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-12-02 12:55:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 375836 states and 534220 transitions. [2023-12-02 12:55:17,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2023-12-02 12:55:17,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:55:17,353 INFO L195 NwaCegarLoop]: trace histogram [25, 17, 17, 17, 17, 17, 17, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:17,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 12:55:17,353 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:55:17,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:55:17,354 INFO L85 PathProgramCache]: Analyzing trace with hash -459374466, now seen corresponding path program 1 times [2023-12-02 12:55:17,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:55:17,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433583407] [2023-12-02 12:55:17,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:55:17,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:55:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:55:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1628 trivial. 0 not checked. [2023-12-02 12:55:18,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:55:18,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433583407] [2023-12-02 12:55:18,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433583407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:55:18,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:55:18,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:55:18,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041717273] [2023-12-02 12:55:18,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:55:18,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:55:18,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:55:18,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:55:18,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:55:18,546 INFO L87 Difference]: Start difference. First operand 375836 states and 534220 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2023-12-02 12:55:21,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:23,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:25,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []