./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-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/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_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/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_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/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 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:39:03,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:39:03,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 13:39:03,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:39:03,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:39:03,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:39:03,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:39:03,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:39:03,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:39:03,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:39:03,565 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:39:03,566 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:39:03,566 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:39:03,567 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:39:03,567 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:39:03,567 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:39:03,568 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:39:03,568 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:39:03,569 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:39:03,570 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:39:03,570 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:39:03,571 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:39:03,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:39:03,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:39:03,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:39:03,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:39:03,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:39:03,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:39:03,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:39:03,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:39:03,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:39:03,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:39:03,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:39:03,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:39:03,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:39:03,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:39:03,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:39:03,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:39:03,577 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:39:03,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:39:03,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:39:03,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:39:03,578 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:39:03,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:39:03,578 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_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2023-12-02 13:39:03,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:39:03,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:39:03,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:39:03,824 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:39:03,824 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:39:03,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2023-12-02 13:39:06,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:39:07,076 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:39:07,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2023-12-02 13:39:07,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/data/d0454d537/e2735fe72e07490dbd5d8847c49bb417/FLAG365b3ac75 [2023-12-02 13:39:07,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/data/d0454d537/e2735fe72e07490dbd5d8847c49bb417 [2023-12-02 13:39:07,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:39:07,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:39:07,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:39:07,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:39:07,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:39:07,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:07" (1/1) ... [2023-12-02 13:39:07,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1209d52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:07, skipping insertion in model container [2023-12-02 13:39:07,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:07" (1/1) ... [2023-12-02 13:39:07,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:39:11,975 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_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2023-12-02 13:39:11,979 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_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2023-12-02 13:39:11,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:39:12,083 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:39:12,190 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"); [5257] [2023-12-02 13:39:12,191 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)); [5264] [2023-12-02 13:39:12,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5271] [2023-12-02 13:39:12,193 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)); [5321-5322] [2023-12-02 13:39:12,193 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"); [5327-5329] [2023-12-02 13:39:12,200 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)); [5536-5537] [2023-12-02 13:39:12,202 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)); [5570-5571] [2023-12-02 13:39:12,203 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)); [5607-5608] [2023-12-02 13:39:12,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5851-5852] [2023-12-02 13:39:12,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5858] [2023-12-02 13:39:12,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6083] [2023-12-02 13:39:12,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6086] [2023-12-02 13:39:12,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6089] [2023-12-02 13:39:12,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6092] [2023-12-02 13:39:12,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6123] [2023-12-02 13:39:12,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6126] [2023-12-02 13:39:12,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6129] [2023-12-02 13:39:12,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6132] [2023-12-02 13:39:12,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6163] [2023-12-02 13:39:12,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6166] [2023-12-02 13:39:12,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6169] [2023-12-02 13:39:12,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6172] [2023-12-02 13:39:12,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6203] [2023-12-02 13:39:12,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6206] [2023-12-02 13:39:12,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6209] [2023-12-02 13:39:12,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6212] [2023-12-02 13:39:12,447 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_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2023-12-02 13:39:12,448 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_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2023-12-02 13:39:12,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:39:12,767 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:39:12,767 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:39:12,774 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:39:12,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12 WrapperNode [2023-12-02 13:39:12,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:39:12,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:39:12,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:39:12,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:39:12,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:12,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,166 INFO L138 Inliner]: procedures = 678, calls = 3889, calls flagged for inlining = 402, calls inlined = 379, statements flattened = 9878 [2023-12-02 13:39:13,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:39:13,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:39:13,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:39:13,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:39:13,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:39:13,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:39:13,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:39:13,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:39:13,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (1/1) ... [2023-12-02 13:39:13,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:39:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:39:13,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:39:13,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d3eca7-c6bf-4f35-8279-4ca8349f3bb4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:39:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 13:39:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 13:39:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-12-02 13:39:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-12-02 13:39:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2023-12-02 13:39:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2023-12-02 13:39:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2023-12-02 13:39:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2023-12-02 13:39:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-12-02 13:39:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-12-02 13:39:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2023-12-02 13:39:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2023-12-02 13:39:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2023-12-02 13:39:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2023-12-02 13:39:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2023-12-02 13:39:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2023-12-02 13:39:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 13:39:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 13:39:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2023-12-02 13:39:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2023-12-02 13:39:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2023-12-02 13:39:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2023-12-02 13:39:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2023-12-02 13:39:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2023-12-02 13:39:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 13:39:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 13:39:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2023-12-02 13:39:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2023-12-02 13:39:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2023-12-02 13:39:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2023-12-02 13:39:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 13:39:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 13:39:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 13:39:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 13:39:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2023-12-02 13:39:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2023-12-02 13:39:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-12-02 13:39:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-12-02 13:39:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2023-12-02 13:39:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2023-12-02 13:39:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2023-12-02 13:39:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2023-12-02 13:39:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2023-12-02 13:39:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2023-12-02 13:39:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2023-12-02 13:39:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2023-12-02 13:39:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-12-02 13:39:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-12-02 13:39:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 13:39:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 13:39:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-12-02 13:39:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-12-02 13:39:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 13:39:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 13:39:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 13:39:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 13:39:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2023-12-02 13:39:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2023-12-02 13:39:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-12-02 13:39:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-12-02 13:39:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 13:39:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2023-12-02 13:39:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2023-12-02 13:39:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2023-12-02 13:39:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2023-12-02 13:39:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-12-02 13:39:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-12-02 13:39:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 13:39:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 13:39:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 13:39:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 13:39:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2023-12-02 13:39:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2023-12-02 13:39:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 13:39:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 13:39:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 13:39:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-12-02 13:39:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-12-02 13:39:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 13:39:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2023-12-02 13:39:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2023-12-02 13:39:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2023-12-02 13:39:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2023-12-02 13:39:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 13:39:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 13:39:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:39:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2023-12-02 13:39:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2023-12-02 13:39:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 13:39:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 13:39:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2023-12-02 13:39:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2023-12-02 13:39:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-12-02 13:39:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-12-02 13:39:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2023-12-02 13:39:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2023-12-02 13:39:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 13:39:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 13:39:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-12-02 13:39:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-12-02 13:39:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2023-12-02 13:39:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2023-12-02 13:39:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2023-12-02 13:39:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2023-12-02 13:39:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 13:39:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 13:39:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2023-12-02 13:39:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2023-12-02 13:39:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2023-12-02 13:39:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2023-12-02 13:39:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-12-02 13:39:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-12-02 13:39:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 13:39:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-12-02 13:39:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-12-02 13:39:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-12-02 13:39:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-12-02 13:39:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-12-02 13:39:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-12-02 13:39:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-12-02 13:39:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-12-02 13:39:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-12-02 13:39:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-12-02 13:39:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2023-12-02 13:39:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2023-12-02 13:39:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:39:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 13:39:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 13:39:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 13:39:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 13:39:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 13:39:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 13:39:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:39:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:39:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 13:39:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 13:39:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-12-02 13:39:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-12-02 13:39:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-12-02 13:39:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-12-02 13:39:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2023-12-02 13:39:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2023-12-02 13:39:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2023-12-02 13:39:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2023-12-02 13:39:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2023-12-02 13:39:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2023-12-02 13:39:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-12-02 13:39:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-12-02 13:39:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-12-02 13:39:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-12-02 13:39:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-12-02 13:39:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-12-02 13:39:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 13:39:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 13:39:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-12-02 13:39:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-12-02 13:39:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 13:39:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 13:39:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-02 13:39:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-02 13:39:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2023-12-02 13:39:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2023-12-02 13:39:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:39:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:39:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2023-12-02 13:39:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2023-12-02 13:39:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 13:39:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 13:39:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2023-12-02 13:39:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2023-12-02 13:39:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2023-12-02 13:39:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2023-12-02 13:39:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 13:39:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 13:39:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 13:39:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 13:39:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2023-12-02 13:39:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2023-12-02 13:39:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2023-12-02 13:39:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2023-12-02 13:39:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-12-02 13:39:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2023-12-02 13:39:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2023-12-02 13:39:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2023-12-02 13:39:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2023-12-02 13:39:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2023-12-02 13:39:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2023-12-02 13:39:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 13:39:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 13:39:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2023-12-02 13:39:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2023-12-02 13:39:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2023-12-02 13:39:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2023-12-02 13:39:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 13:39:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 13:39:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2023-12-02 13:39:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2023-12-02 13:39:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2023-12-02 13:39:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2023-12-02 13:39:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-12-02 13:39:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-12-02 13:39:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2023-12-02 13:39:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2023-12-02 13:39:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-02 13:39:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-02 13:39:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 13:39:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-12-02 13:39:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-12-02 13:39:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 13:39:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2023-12-02 13:39:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2023-12-02 13:39:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2023-12-02 13:39:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2023-12-02 13:39:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 13:39:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 13:39:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 13:39:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 13:39:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 13:39:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2023-12-02 13:39:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2023-12-02 13:39:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 13:39:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 13:39:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2023-12-02 13:39:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2023-12-02 13:39:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 13:39:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 13:39:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2023-12-02 13:39:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2023-12-02 13:39:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-12-02 13:39:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-12-02 13:39:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2023-12-02 13:39:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2023-12-02 13:39:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2023-12-02 13:39:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2023-12-02 13:39:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2023-12-02 13:39:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2023-12-02 13:39:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2023-12-02 13:39:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2023-12-02 13:39:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2023-12-02 13:39:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2023-12-02 13:39:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-12-02 13:39:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-12-02 13:39:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-12-02 13:39:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-12-02 13:39:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2023-12-02 13:39:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2023-12-02 13:39:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-12-02 13:39:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-12-02 13:39:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2023-12-02 13:39:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2023-12-02 13:39:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 13:39:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 13:39:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2023-12-02 13:39:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2023-12-02 13:39:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2023-12-02 13:39:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2023-12-02 13:39:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2023-12-02 13:39:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2023-12-02 13:39:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2023-12-02 13:39:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2023-12-02 13:39:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 13:39:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 13:39:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2023-12-02 13:39:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2023-12-02 13:39:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2023-12-02 13:39:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2023-12-02 13:39:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 13:39:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 13:39:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2023-12-02 13:39:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2023-12-02 13:39:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2023-12-02 13:39:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2023-12-02 13:39:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2023-12-02 13:39:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2023-12-02 13:39:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:39:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2023-12-02 13:39:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2023-12-02 13:39:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2023-12-02 13:39:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2023-12-02 13:39:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2023-12-02 13:39:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2023-12-02 13:39:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 13:39:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 13:39:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2023-12-02 13:39:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2023-12-02 13:39:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-12-02 13:39:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-12-02 13:39:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-12-02 13:39:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-12-02 13:39:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2023-12-02 13:39:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2023-12-02 13:39:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-12-02 13:39:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-12-02 13:39:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2023-12-02 13:39:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2023-12-02 13:39:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-12-02 13:39:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-12-02 13:39:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2023-12-02 13:39:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2023-12-02 13:39:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2023-12-02 13:39:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2023-12-02 13:39:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 13:39:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 13:39:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 13:39:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 13:39:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-12-02 13:39:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-12-02 13:39:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:39:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2023-12-02 13:39:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2023-12-02 13:39:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-12-02 13:39:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-12-02 13:39:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-12-02 13:39:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-12-02 13:39:15,047 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:39:15,053 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:39:15,680 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 13:39:25,111 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-12-02 13:39:25,293 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:39:27,999 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:39:28,000 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-12-02 13:39:28,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:28 BoogieIcfgContainer [2023-12-02 13:39:28,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:39:28,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:39:28,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:39:28,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:39:28,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:39:07" (1/3) ... [2023-12-02 13:39:28,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136a001d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:28, skipping insertion in model container [2023-12-02 13:39:28,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:12" (2/3) ... [2023-12-02 13:39:28,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136a001d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:28, skipping insertion in model container [2023-12-02 13:39:28,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:28" (3/3) ... [2023-12-02 13:39:28,012 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2023-12-02 13:39:28,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:39:28,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:39:28,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:39:28,145 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;@3fc64a8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:39:28,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:39:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 2698 states, 1641 states have (on average 1.340036563071298) internal successors, (2199), 1697 states have internal predecessors, (2199), 915 states have call successors, (915), 148 states have call predecessors, (915), 147 states have return successors, (904), 881 states have call predecessors, (904), 904 states have call successors, (904) [2023-12-02 13:39:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2023-12-02 13:39:28,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:39:28,236 INFO L195 NwaCegarLoop]: trace histogram [54, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 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 13:39:28,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:39:28,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:39:28,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1299302319, now seen corresponding path program 1 times [2023-12-02 13:39:28,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:39:28,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667025825] [2023-12-02 13:39:28,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:39:28,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:39:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:39:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 10820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2023-12-02 13:39:31,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:39:31,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667025825] [2023-12-02 13:39:31,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667025825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:39:31,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:39:31,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:39:31,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333301071] [2023-12-02 13:39:31,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:39:31,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:39:31,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:39:31,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:39:31,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:39:31,276 INFO L87 Difference]: Start difference. First operand has 2698 states, 1641 states have (on average 1.340036563071298) internal successors, (2199), 1697 states have internal predecessors, (2199), 915 states have call successors, (915), 148 states have call predecessors, (915), 147 states have return successors, (904), 881 states have call predecessors, (904), 904 states have call successors, (904) Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:39:33,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:39:35,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:39:40,298 WARN L539 Checker$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 13:39:42,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:39:44,525 WARN L539 Checker$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 13:39:45,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:39:45,019 INFO L93 Difference]: Finished difference Result 7680 states and 11594 transitions. [2023-12-02 13:39:45,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:39:45,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 603 [2023-12-02 13:39:45,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:39:45,102 INFO L225 Difference]: With dead ends: 7680 [2023-12-02 13:39:45,103 INFO L226 Difference]: Without dead ends: 4995 [2023-12-02 13:39:45,133 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 13:39:45,137 INFO L413 NwaCegarLoop]: 3457 mSDtfsCounter, 3555 mSDsluCounter, 3270 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 29 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3555 SdHoareTripleChecker+Valid, 6727 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:39:45,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3555 Valid, 6727 Invalid, 1436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1402 Invalid, 5 Unknown, 0 Unchecked, 13.2s Time] [2023-12-02 13:39:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4995 states. [2023-12-02 13:39:45,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4995 to 4991. [2023-12-02 13:39:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4991 states, 3041 states have (on average 1.334429463992108) internal successors, (4058), 3137 states have internal predecessors, (4058), 1662 states have call successors, (1662), 287 states have call predecessors, (1662), 287 states have return successors, (1662), 1614 states have call predecessors, (1662), 1662 states have call successors, (1662) [2023-12-02 13:39:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 4991 states and 7382 transitions. [2023-12-02 13:39:45,664 INFO L78 Accepts]: Start accepts. Automaton has 4991 states and 7382 transitions. Word has length 603 [2023-12-02 13:39:45,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:39:45,667 INFO L495 AbstractCegarLoop]: Abstraction has 4991 states and 7382 transitions. [2023-12-02 13:39:45,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:39:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand 4991 states and 7382 transitions. [2023-12-02 13:39:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2023-12-02 13:39:45,728 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:39:45,728 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:39:45,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:39:45,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:39:45,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:39:45,730 INFO L85 PathProgramCache]: Analyzing trace with hash -78402850, now seen corresponding path program 1 times [2023-12-02 13:39:45,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:39:45,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288458846] [2023-12-02 13:39:45,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:39:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:39:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:39:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2023-12-02 13:39:47,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:39:47,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288458846] [2023-12-02 13:39:47,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288458846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:39:47,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:39:47,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:39:47,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351795226] [2023-12-02 13:39:47,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:39:47,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:39:47,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:39:47,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:39:47,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:39:47,295 INFO L87 Difference]: Start difference. First operand 4991 states and 7382 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:39:49,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:39:51,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:39:57,520 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 13:39:57,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:39:57,761 INFO L93 Difference]: Finished difference Result 14591 states and 21603 transitions. [2023-12-02 13:39:57,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:39:57,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 618 [2023-12-02 13:39:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:39:57,838 INFO L225 Difference]: With dead ends: 14591 [2023-12-02 13:39:57,838 INFO L226 Difference]: Without dead ends: 9705 [2023-12-02 13:39:57,867 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 13:39:57,868 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 3601 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3601 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:39:57,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3601 Valid, 6450 Invalid, 1355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1345 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2023-12-02 13:39:57,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9705 states. [2023-12-02 13:39:58,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9705 to 9703. [2023-12-02 13:39:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9703 states, 5918 states have (on average 1.3338965866846908) internal successors, (7894), 6110 states have internal predecessors, (7894), 3210 states have call successors, (3210), 574 states have call predecessors, (3210), 574 states have return successors, (3263), 3114 states have call predecessors, (3263), 3210 states have call successors, (3263) [2023-12-02 13:39:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9703 states to 9703 states and 14367 transitions. [2023-12-02 13:39:58,509 INFO L78 Accepts]: Start accepts. Automaton has 9703 states and 14367 transitions. Word has length 618 [2023-12-02 13:39:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:39:58,511 INFO L495 AbstractCegarLoop]: Abstraction has 9703 states and 14367 transitions. [2023-12-02 13:39:58,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:39:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 9703 states and 14367 transitions. [2023-12-02 13:39:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2023-12-02 13:39:58,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:39:58,555 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:39:58,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:39:58,556 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:39:58,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:39:58,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1374028848, now seen corresponding path program 1 times [2023-12-02 13:39:58,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:39:58,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059433157] [2023-12-02 13:39:58,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:39:58,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:39:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2023-12-02 13:40:00,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:40:00,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059433157] [2023-12-02 13:40:00,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059433157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:00,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:00,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:40:00,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008569031] [2023-12-02 13:40:00,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:00,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:40:00,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:40:00,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:40:00,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:00,187 INFO L87 Difference]: Start difference. First operand 9703 states and 14367 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:40:02,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:04,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:07,664 WARN L539 Checker$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 13:40:11,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:13,483 WARN L539 Checker$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 13:40:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:13,898 INFO L93 Difference]: Finished difference Result 28555 states and 42375 transitions. [2023-12-02 13:40:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:40:13,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 621 [2023-12-02 13:40:13,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:14,107 INFO L225 Difference]: With dead ends: 28555 [2023-12-02 13:40:14,107 INFO L226 Difference]: Without dead ends: 18957 [2023-12-02 13:40:14,168 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 13:40:14,169 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 3598 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:14,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 6450 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1344 Invalid, 5 Unknown, 0 Unchecked, 13.1s Time] [2023-12-02 13:40:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18957 states. [2023-12-02 13:40:15,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18957 to 18947. [2023-12-02 13:40:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18947 states, 11554 states have (on average 1.3320062316081012) internal successors, (15390), 11938 states have internal predecessors, (15390), 6244 states have call successors, (6244), 1148 states have call predecessors, (6244), 1148 states have return successors, (6502), 6052 states have call predecessors, (6502), 6244 states have call successors, (6502) [2023-12-02 13:40:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18947 states to 18947 states and 28136 transitions. [2023-12-02 13:40:15,338 INFO L78 Accepts]: Start accepts. Automaton has 18947 states and 28136 transitions. Word has length 621 [2023-12-02 13:40:15,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:15,340 INFO L495 AbstractCegarLoop]: Abstraction has 18947 states and 28136 transitions. [2023-12-02 13:40:15,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:40:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18947 states and 28136 transitions. [2023-12-02 13:40:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2023-12-02 13:40:15,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:15,377 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:15,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:40:15,377 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:15,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash -989873942, now seen corresponding path program 1 times [2023-12-02 13:40:15,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:40:15,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365978247] [2023-12-02 13:40:15,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:15,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:40:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2023-12-02 13:40:16,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:40:16,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365978247] [2023-12-02 13:40:16,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365978247] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:16,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:16,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:40:16,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436148094] [2023-12-02 13:40:16,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:16,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:40:16,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:40:16,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:40:16,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:16,971 INFO L87 Difference]: Start difference. First operand 18947 states and 28136 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:40:19,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:21,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:26,596 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 13:40:27,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:27,420 INFO L93 Difference]: Finished difference Result 55943 states and 83362 transitions. [2023-12-02 13:40:27,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:40:27,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 617 [2023-12-02 13:40:27,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:27,573 INFO L225 Difference]: With dead ends: 55943 [2023-12-02 13:40:27,574 INFO L226 Difference]: Without dead ends: 37101 [2023-12-02 13:40:27,643 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 13:40:27,645 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 3602 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3602 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:27,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3602 Valid, 6450 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1345 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2023-12-02 13:40:27,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37101 states. [2023-12-02 13:40:29,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37101 to 37099. [2023-12-02 13:40:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37099 states, 22614 states have (on average 1.3289997346776332) internal successors, (30054), 23382 states have internal predecessors, (30054), 12188 states have call successors, (12188), 2296 states have call predecessors, (12188), 2296 states have return successors, (13100), 11804 states have call predecessors, (13100), 12188 states have call successors, (13100) [2023-12-02 13:40:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37099 states to 37099 states and 55342 transitions. [2023-12-02 13:40:29,654 INFO L78 Accepts]: Start accepts. Automaton has 37099 states and 55342 transitions. Word has length 617 [2023-12-02 13:40:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:29,655 INFO L495 AbstractCegarLoop]: Abstraction has 37099 states and 55342 transitions. [2023-12-02 13:40:29,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:40:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 37099 states and 55342 transitions. [2023-12-02 13:40:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2023-12-02 13:40:29,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:29,691 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:29,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 13:40:29,692 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:29,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:29,693 INFO L85 PathProgramCache]: Analyzing trace with hash -802243052, now seen corresponding path program 1 times [2023-12-02 13:40:29,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:40:29,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255922114] [2023-12-02 13:40:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:29,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:40:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2023-12-02 13:40:31,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:40:31,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255922114] [2023-12-02 13:40:31,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255922114] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:31,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:31,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:40:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074230965] [2023-12-02 13:40:31,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:31,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:40:31,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:40:31,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:40:31,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:31,430 INFO L87 Difference]: Start difference. First operand 37099 states and 55342 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:40:33,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:35,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:38,688 WARN L539 Checker$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 13:40:42,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:44,856 WARN L539 Checker$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 13:40:46,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:46,612 INFO L93 Difference]: Finished difference Result 109711 states and 164432 transitions. [2023-12-02 13:40:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:40:46,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 616 [2023-12-02 13:40:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:47,071 INFO L225 Difference]: With dead ends: 109711 [2023-12-02 13:40:47,071 INFO L226 Difference]: Without dead ends: 72717 [2023-12-02 13:40:47,223 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 13:40:47,224 INFO L413 NwaCegarLoop]: 3255 mSDtfsCounter, 3603 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3603 SdHoareTripleChecker+Valid, 6451 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:47,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3603 Valid, 6451 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1344 Invalid, 5 Unknown, 0 Unchecked, 13.0s Time] [2023-12-02 13:40:47,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72717 states. [2023-12-02 13:40:49,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72717 to 72715. [2023-12-02 13:40:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72715 states, 44294 states have (on average 1.325461687813248) internal successors, (58710), 45830 states have internal predecessors, (58710), 23828 states have call successors, (23828), 4592 states have call predecessors, (23828), 4592 states have return successors, (26628), 23060 states have call predecessors, (26628), 23828 states have call successors, (26628) [2023-12-02 13:40:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72715 states to 72715 states and 109166 transitions. [2023-12-02 13:40:50,523 INFO L78 Accepts]: Start accepts. Automaton has 72715 states and 109166 transitions. Word has length 616 [2023-12-02 13:40:50,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:50,524 INFO L495 AbstractCegarLoop]: Abstraction has 72715 states and 109166 transitions. [2023-12-02 13:40:50,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:40:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 72715 states and 109166 transitions. [2023-12-02 13:40:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2023-12-02 13:40:50,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:50,546 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:50,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:40:50,546 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:50,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:50,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1005614916, now seen corresponding path program 1 times [2023-12-02 13:40:50,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:40:50,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645779198] [2023-12-02 13:40:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:50,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:40:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2023-12-02 13:40:52,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:40:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645779198] [2023-12-02 13:40:52,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645779198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:52,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:52,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:40:52,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203231434] [2023-12-02 13:40:52,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:52,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:40:52,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:40:52,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:40:52,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:40:52,169 INFO L87 Difference]: Start difference. First operand 72715 states and 109166 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:40:54,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:56,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:40:59,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:03,491 WARN L539 Checker$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 13:41:05,497 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 13:41:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:41:09,838 INFO L93 Difference]: Finished difference Result 215183 states and 324992 transitions. [2023-12-02 13:41:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:41:09,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 620 [2023-12-02 13:41:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:41:10,635 INFO L225 Difference]: With dead ends: 215183 [2023-12-02 13:41:10,635 INFO L226 Difference]: Without dead ends: 142573 [2023-12-02 13:41:10,866 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 13:41:10,867 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 3599 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:41:10,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 6450 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1344 Invalid, 5 Unknown, 0 Unchecked, 13.1s Time] [2023-12-02 13:41:10,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142573 states. [2023-12-02 13:41:16,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142573 to 142571. [2023-12-02 13:41:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142571 states, 86774 states have (on average 1.3215709774817341) internal successors, (114678), 89846 states have internal predecessors, (114678), 46612 states have call successors, (46612), 9184 states have call predecessors, (46612), 9184 states have return successors, (54532), 45076 states have call predecessors, (54532), 46612 states have call successors, (54532) [2023-12-02 13:41:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142571 states to 142571 states and 215822 transitions. [2023-12-02 13:41:18,132 INFO L78 Accepts]: Start accepts. Automaton has 142571 states and 215822 transitions. Word has length 620 [2023-12-02 13:41:18,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:41:18,133 INFO L495 AbstractCegarLoop]: Abstraction has 142571 states and 215822 transitions. [2023-12-02 13:41:18,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:41:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 142571 states and 215822 transitions. [2023-12-02 13:41:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2023-12-02 13:41:18,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:41:18,154 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:18,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 13:41:18,154 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:41:18,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:41:18,155 INFO L85 PathProgramCache]: Analyzing trace with hash -453400313, now seen corresponding path program 1 times [2023-12-02 13:41:18,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:41:18,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796436930] [2023-12-02 13:41:18,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:18,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:41:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:41:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2023-12-02 13:41:19,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:41:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796436930] [2023-12-02 13:41:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796436930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:41:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:41:19,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:41:19,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942787592] [2023-12-02 13:41:19,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:41:19,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:41:19,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:41:19,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:41:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:41:19,680 INFO L87 Difference]: Start difference. First operand 142571 states and 215822 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:41:21,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:23,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:26,583 WARN L539 Checker$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 13:41:31,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:41:33,150 WARN L539 Checker$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 13:41:41,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:41:41,875 INFO L93 Difference]: Finished difference Result 421439 states and 642707 transitions. [2023-12-02 13:41:41,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:41:41,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 619 [2023-12-02 13:41:41,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:41:43,177 INFO L225 Difference]: With dead ends: 421439 [2023-12-02 13:41:43,178 INFO L226 Difference]: Without dead ends: 278973 [2023-12-02 13:41:43,894 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 13:41:43,895 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 3600 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:41:43,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3600 Valid, 6450 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1344 Invalid, 5 Unknown, 0 Unchecked, 13.0s Time] [2023-12-02 13:41:44,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278973 states. [2023-12-02 13:41:56,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278973 to 278971. [2023-12-02 13:41:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278971 states, 169648 states have (on average 1.317457323399038) internal successors, (223504), 175787 states have internal predecessors, (223504), 91004 states have call successors, (91004), 18322 states have call predecessors, (91004), 18318 states have return successors, (112213), 87927 states have call predecessors, (112213), 91004 states have call successors, (112213) [2023-12-02 13:41:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278971 states to 278971 states and 426721 transitions. [2023-12-02 13:41:59,142 INFO L78 Accepts]: Start accepts. Automaton has 278971 states and 426721 transitions. Word has length 619 [2023-12-02 13:41:59,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:41:59,143 INFO L495 AbstractCegarLoop]: Abstraction has 278971 states and 426721 transitions. [2023-12-02 13:41:59,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-12-02 13:41:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 278971 states and 426721 transitions. [2023-12-02 13:41:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2023-12-02 13:41:59,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:41:59,161 INFO L195 NwaCegarLoop]: trace histogram [55, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 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 13:41:59,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 13:41:59,161 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:41:59,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:41:59,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1257996865, now seen corresponding path program 1 times [2023-12-02 13:41:59,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:41:59,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521712306] [2023-12-02 13:41:59,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:41:59,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:42:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:42:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10942 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10931 trivial. 0 not checked. [2023-12-02 13:42:00,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:42:00,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521712306] [2023-12-02 13:42:00,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521712306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:42:00,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:42:00,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:42:00,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809132608] [2023-12-02 13:42:00,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:42:00,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:42:00,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:42:00,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:42:00,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:42:00,923 INFO L87 Difference]: Start difference. First operand 278971 states and 426721 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-12-02 13:42:03,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:42:05,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:42:08,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:42:10,596 WARN L539 Checker$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 13:42:12,636 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 13:42:33,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:42:33,115 INFO L93 Difference]: Finished difference Result 809859 states and 1237686 transitions. [2023-12-02 13:42:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:42:33,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 627 [2023-12-02 13:42:33,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:42:36,516 INFO L225 Difference]: With dead ends: 809859 [2023-12-02 13:42:36,516 INFO L226 Difference]: Without dead ends: 530993 [2023-12-02 13:42:37,557 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 13:42:37,558 INFO L413 NwaCegarLoop]: 4901 mSDtfsCounter, 3648 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3648 SdHoareTripleChecker+Valid, 8123 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:42:37,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3648 Valid, 8123 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1749 Invalid, 5 Unknown, 0 Unchecked, 13.3s Time] [2023-12-02 13:42:38,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530993 states. [2023-12-02 13:43:03,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530993 to 530863. [2023-12-02 13:43:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530863 states, 324658 states have (on average 1.3169396719008926) internal successors, (427555), 336551 states have internal predecessors, (427555), 171052 states have call successors, (171052), 35158 states have call predecessors, (171052), 35152 states have return successors, (210978), 165094 states have call predecessors, (210978), 171052 states have call successors, (210978) [2023-12-02 13:43:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530863 states to 530863 states and 809585 transitions. [2023-12-02 13:43:07,566 INFO L78 Accepts]: Start accepts. Automaton has 530863 states and 809585 transitions. Word has length 627 [2023-12-02 13:43:07,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:43:07,567 INFO L495 AbstractCegarLoop]: Abstraction has 530863 states and 809585 transitions. [2023-12-02 13:43:07,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-12-02 13:43:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 530863 states and 809585 transitions. [2023-12-02 13:43:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2023-12-02 13:43:07,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:43:07,580 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:43:07,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 13:43:07,580 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:43:07,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:43:07,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1671197115, now seen corresponding path program 1 times [2023-12-02 13:43:07,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:43:07,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610327921] [2023-12-02 13:43:07,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:43:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:43:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:43:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10764 trivial. 0 not checked. [2023-12-02 13:43:09,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:43:09,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610327921] [2023-12-02 13:43:09,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610327921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:43:09,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:43:09,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:43:09,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796149175] [2023-12-02 13:43:09,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:43:09,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:43:09,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:43:09,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:43:09,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:43:09,241 INFO L87 Difference]: Start difference. First operand 530863 states and 809585 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2023-12-02 13:43:11,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:13,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:43:17,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []