./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 47e628a85cf14930483dd0a675b9669c50f97d39bf37153c2a18651b4dc12afd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:24:25,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:24:25,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:24:25,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:24:25,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:24:25,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:24:25,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:24:25,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:24:25,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:24:25,200 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:24:25,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:24:25,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:24:25,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:24:25,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:24:25,201 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:24:25,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:24:25,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:24:25,203 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:24:25,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:24:25,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:24:25,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:24:25,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:24:25,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:24:25,205 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47e628a85cf14930483dd0a675b9669c50f97d39bf37153c2a18651b4dc12afd [2024-12-02 08:24:25,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:24:25,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:24:25,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:24:25,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:24:25,512 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:24:25,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2024-12-02 08:24:28,430 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/data/7d13c01ac/dd1a5618ea9642dea65520bb36ff064d/FLAGce4f9b359 [2024-12-02 08:24:28,991 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:24:28,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2024-12-02 08:24:29,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/data/7d13c01ac/dd1a5618ea9642dea65520bb36ff064d/FLAGce4f9b359 [2024-12-02 08:24:29,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/data/7d13c01ac/dd1a5618ea9642dea65520bb36ff064d [2024-12-02 08:24:29,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:24:29,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:24:29,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:24:29,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:24:29,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:24:29,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:29" (1/1) ... [2024-12-02 08:24:29,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9180d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:29, skipping insertion in model container [2024-12-02 08:24:29,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:29" (1/1) ... [2024-12-02 08:24:29,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:24:31,599 WARN L250 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_89708271-591d-4134-a827-9e97e35e9321/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2024-12-02 08:24:31,603 WARN L250 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_89708271-591d-4134-a827-9e97e35e9321/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2024-12-02 08:24:31,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:24:31,671 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:24:31,775 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"); [5260] [2024-12-02 08:24:31,777 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)); [5267] [2024-12-02 08:24:31,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5274] [2024-12-02 08:24:31,779 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)); [5315-5316] [2024-12-02 08:24:31,780 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"); [5321-5323] [2024-12-02 08:24:31,813 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)); [5548-5549] [2024-12-02 08:24:31,814 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)); [5582-5583] [2024-12-02 08:24:31,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5619-5620] [2024-12-02 08:24:31,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5656-5657] [2024-12-02 08:24:31,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6063] [2024-12-02 08:24:31,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6066] [2024-12-02 08:24:31,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6069] [2024-12-02 08:24:31,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6072] [2024-12-02 08:24:31,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6103] [2024-12-02 08:24:31,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6106] [2024-12-02 08:24:31,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6109] [2024-12-02 08:24:31,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6112] [2024-12-02 08:24:31,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6143] [2024-12-02 08:24:31,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6146] [2024-12-02 08:24:31,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6149] [2024-12-02 08:24:31,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6152] [2024-12-02 08:24:31,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6183] [2024-12-02 08:24:31,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6186] [2024-12-02 08:24:31,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6189] [2024-12-02 08:24:31,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6192] [2024-12-02 08:24:31,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7482] [2024-12-02 08:24:31,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7484] [2024-12-02 08:24:31,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7491] [2024-12-02 08:24:31,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7626] [2024-12-02 08:24:31,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8003] [2024-12-02 08:24:31,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8442] [2024-12-02 08:24:31,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/dec/tulip/winbond-840.c"), "i" (1594), "i" (12UL)); [8524-8525] [2024-12-02 08:24:31,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/dec/tulip/winbond-840.c"), "i" (1594), "i" (12UL)); [8535-8536] [2024-12-02 08:24:32,000 WARN L250 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_89708271-591d-4134-a827-9e97e35e9321/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2024-12-02 08:24:32,001 WARN L250 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_89708271-591d-4134-a827-9e97e35e9321/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2024-12-02 08:24:32,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:24:32,178 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:24:32,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32 WrapperNode [2024-12-02 08:24:32,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:24:32,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:24:32,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:24:32,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:24:32,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:32,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:32,415 INFO L138 Inliner]: procedures = 434, calls = 2067, calls flagged for inlining = 220, calls inlined = 205, statements flattened = 5509 [2024-12-02 08:24:32,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:24:32,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:24:32,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:24:32,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:24:32,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:32,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:32,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,401 INFO L175 MemorySlicer]: Split 906 memory accesses to 16 slices as follows [2, 9, 9, 127, 10, 119, 7, 52, 3, 2, 552, 1, 5, 5, 2, 1]. 61 percent of accesses are in the largest equivalence class. The 61 initializations are split as follows [2, 8, 8, 16, 8, 0, 0, 0, 1, 0, 7, 1, 5, 5, 0, 0]. The 508 writes are split as follows [0, 0, 0, 111, 0, 102, 4, 42, 0, 1, 247, 0, 0, 0, 1, 0]. [2024-12-02 08:24:33,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:24:33,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:24:33,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:24:33,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:24:33,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (1/1) ... [2024-12-02 08:24:33,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:24:33,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:24:33,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:24:33,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:24:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 08:24:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 08:24:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:24:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:24:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 08:24:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 08:24:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-12-02 08:24:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-12-02 08:24:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 08:24:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 08:24:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:24:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:24:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2024-12-02 08:24:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2024-12-02 08:24:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2024-12-02 08:24:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2024-12-02 08:24:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 08:24:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 08:24:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 08:24:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 08:24:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 08:24:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 08:24:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 08:24:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 08:24:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2024-12-02 08:24:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2024-12-02 08:24:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 08:24:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 08:24:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 08:24:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 08:24:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 08:24:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 08:24:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 08:24:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 08:24:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 08:24:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 08:24:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 08:24:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:24:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2024-12-02 08:24:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 08:24:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-12-02 08:24:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-12-02 08:24:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-12-02 08:24:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-12-02 08:24:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 08:24:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 08:24:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 08:24:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 08:24:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:24:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:24:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:24:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:24:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:24:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:24:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:24:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:24:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 08:24:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 08:24:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 08:24:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:24:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 08:24:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 08:24:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:24:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 08:24:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 08:24:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-12-02 08:24:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-12-02 08:24:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 08:24:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 08:24:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2024-12-02 08:24:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2024-12-02 08:24:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 08:24:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 08:24:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 08:24:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 08:24:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 08:24:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 08:24:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 08:24:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 08:24:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2024-12-02 08:24:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2024-12-02 08:24:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:24:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 08:24:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 08:24:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 08:24:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 08:24:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:24:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-12-02 08:24:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 08:24:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 08:24:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:24:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 08:24:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:24:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 08:24:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 08:24:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 08:24:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 08:24:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:24:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 08:24:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:24:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:24:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2024-12-02 08:24:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-12-02 08:24:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 08:24:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2024-12-02 08:24:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 08:24:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 08:24:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 08:24:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 08:24:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 08:24:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2024-12-02 08:24:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2024-12-02 08:24:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 08:24:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 08:24:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 08:24:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 08:24:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:24:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 08:24:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 08:24:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:24:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:24:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:24:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 08:24:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2024-12-02 08:24:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 08:24:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 08:24:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 08:24:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 08:24:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 08:24:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 08:24:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 08:24:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 08:24:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2024-12-02 08:24:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 08:24:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 08:24:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 08:24:33,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 08:24:34,615 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:24:34,619 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:24:34,646 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:24:44,256 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 08:24:45,207 INFO L? ?]: Removed 2467 outVars from TransFormulas that were not future-live. [2024-12-02 08:24:45,207 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:24:45,253 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:24:45,253 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-02 08:24:45,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:45 BoogieIcfgContainer [2024-12-02 08:24:45,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:24:45,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:24:45,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:24:45,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:24:45,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:24:29" (1/3) ... [2024-12-02 08:24:45,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64626349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:24:45, skipping insertion in model container [2024-12-02 08:24:45,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:32" (2/3) ... [2024-12-02 08:24:45,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64626349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:24:45, skipping insertion in model container [2024-12-02 08:24:45,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:24:45" (3/3) ... [2024-12-02 08:24:45,264 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2024-12-02 08:24:45,281 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:24:45,284 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i that has 105 procedures, 2054 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2024-12-02 08:24:45,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:24:45,408 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bcdf8c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:24:45,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:24:45,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 1992 states, 1419 states have (on average 1.3206483439041579) internal successors, (1874), 1445 states have internal predecessors, (1874), 484 states have call successors, (484), 89 states have call predecessors, (484), 88 states have return successors, (479), 475 states have call predecessors, (479), 479 states have call successors, (479) [2024-12-02 08:24:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 08:24:45,452 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:24:45,452 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 08:24:45,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:24:45,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:24:45,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1364770336, now seen corresponding path program 1 times [2024-12-02 08:24:45,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:24:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058016896] [2024-12-02 08:24:45,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:24:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:24:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:24:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-12-02 08:24:57,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:24:57,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058016896] [2024-12-02 08:24:57,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058016896] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:24:57,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:24:57,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:24:57,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787633323] [2024-12-02 08:24:57,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:24:57,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:24:57,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:24:57,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:24:57,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:24:57,213 INFO L87 Difference]: Start difference. First operand has 1992 states, 1419 states have (on average 1.3206483439041579) internal successors, (1874), 1445 states have internal predecessors, (1874), 484 states have call successors, (484), 89 states have call predecessors, (484), 88 states have return successors, (479), 475 states have call predecessors, (479), 479 states have call successors, (479) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 08:25:01,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:25:02,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:25:02,158 INFO L93 Difference]: Finished difference Result 5483 states and 7846 transitions. [2024-12-02 08:25:02,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:25:02,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 165 [2024-12-02 08:25:02,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:25:02,196 INFO L225 Difference]: With dead ends: 5483 [2024-12-02 08:25:02,196 INFO L226 Difference]: Without dead ends: 3444 [2024-12-02 08:25:02,210 INFO L434 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 [2024-12-02 08:25:02,212 INFO L435 NwaCegarLoop]: 3003 mSDtfsCounter, 2211 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 5661 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:25:02,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 5661 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:25:02,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3444 states. [2024-12-02 08:25:02,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3444 to 3440. [2024-12-02 08:25:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3440 states, 2456 states have (on average 1.2793159609120521) internal successors, (3142), 2493 states have internal predecessors, (3142), 816 states have call successors, (816), 168 states have call predecessors, (816), 167 states have return successors, (821), 804 states have call predecessors, (821), 816 states have call successors, (821) [2024-12-02 08:25:02,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 3440 states and 4779 transitions. [2024-12-02 08:25:02,433 INFO L78 Accepts]: Start accepts. Automaton has 3440 states and 4779 transitions. Word has length 165 [2024-12-02 08:25:02,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:25:02,434 INFO L471 AbstractCegarLoop]: Abstraction has 3440 states and 4779 transitions. [2024-12-02 08:25:02,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 08:25:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 4779 transitions. [2024-12-02 08:25:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-12-02 08:25:02,445 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:25:02,445 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:25:02,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:25:02,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:25:02,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:25:02,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1212139442, now seen corresponding path program 1 times [2024-12-02 08:25:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:25:02,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565262018] [2024-12-02 08:25:02,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:25:02,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:25:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:25:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 08:25:12,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:25:12,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565262018] [2024-12-02 08:25:12,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565262018] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:25:12,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:25:12,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:25:12,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688833121] [2024-12-02 08:25:12,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:25:12,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:25:12,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:25:12,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:25:12,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:12,373 INFO L87 Difference]: Start difference. First operand 3440 states and 4779 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:25:16,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:25:17,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:25:17,962 INFO L93 Difference]: Finished difference Result 9086 states and 12608 transitions. [2024-12-02 08:25:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:25:17,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 202 [2024-12-02 08:25:17,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:25:17,988 INFO L225 Difference]: With dead ends: 9086 [2024-12-02 08:25:17,989 INFO L226 Difference]: Without dead ends: 5667 [2024-12-02 08:25:18,001 INFO L434 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 [2024-12-02 08:25:18,002 INFO L435 NwaCegarLoop]: 3331 mSDtfsCounter, 1771 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 5976 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:25:18,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 5976 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 08:25:18,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5667 states. [2024-12-02 08:25:18,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5667 to 5663. [2024-12-02 08:25:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5663 states, 4113 states have (on average 1.287138341842937) internal successors, (5294), 4169 states have internal predecessors, (5294), 1262 states have call successors, (1262), 288 states have call predecessors, (1262), 287 states have return successors, (1267), 1248 states have call predecessors, (1267), 1262 states have call successors, (1267) [2024-12-02 08:25:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5663 states to 5663 states and 7823 transitions. [2024-12-02 08:25:18,190 INFO L78 Accepts]: Start accepts. Automaton has 5663 states and 7823 transitions. Word has length 202 [2024-12-02 08:25:18,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:25:18,191 INFO L471 AbstractCegarLoop]: Abstraction has 5663 states and 7823 transitions. [2024-12-02 08:25:18,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:25:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5663 states and 7823 transitions. [2024-12-02 08:25:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 08:25:18,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:25:18,199 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 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] [2024-12-02 08:25:18,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:25:18,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:25:18,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:25:18,199 INFO L85 PathProgramCache]: Analyzing trace with hash -418384543, now seen corresponding path program 1 times [2024-12-02 08:25:18,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:25:18,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190377945] [2024-12-02 08:25:18,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:25:18,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:25:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:25:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-12-02 08:25:28,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:25:28,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190377945] [2024-12-02 08:25:28,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190377945] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:25:28,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:25:28,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:25:28,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420115862] [2024-12-02 08:25:28,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:25:28,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:25:28,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:25:28,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:25:28,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:28,146 INFO L87 Difference]: Start difference. First operand 5663 states and 7823 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:25:32,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:25:33,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:25:33,715 INFO L93 Difference]: Finished difference Result 15390 states and 21249 transitions. [2024-12-02 08:25:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:25:33,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 233 [2024-12-02 08:25:33,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:25:33,756 INFO L225 Difference]: With dead ends: 15390 [2024-12-02 08:25:33,756 INFO L226 Difference]: Without dead ends: 9748 [2024-12-02 08:25:33,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:33,771 INFO L435 NwaCegarLoop]: 2714 mSDtfsCounter, 2307 mSDsluCounter, 2623 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 5337 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:25:33,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 5337 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 08:25:33,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9748 states. [2024-12-02 08:25:34,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9748 to 9743. [2024-12-02 08:25:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9743 states, 7038 states have (on average 1.2864450127877238) internal successors, (9054), 7144 states have internal predecessors, (9054), 2182 states have call successors, (2182), 524 states have call predecessors, (2182), 522 states have return successors, (2195), 2151 states have call predecessors, (2195), 2182 states have call successors, (2195) [2024-12-02 08:25:34,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9743 states to 9743 states and 13431 transitions. [2024-12-02 08:25:34,050 INFO L78 Accepts]: Start accepts. Automaton has 9743 states and 13431 transitions. Word has length 233 [2024-12-02 08:25:34,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:25:34,050 INFO L471 AbstractCegarLoop]: Abstraction has 9743 states and 13431 transitions. [2024-12-02 08:25:34,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:25:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 9743 states and 13431 transitions. [2024-12-02 08:25:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 08:25:34,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:25:34,061 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 8, 8, 8, 5, 5, 5, 3, 3, 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] [2024-12-02 08:25:34,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:25:34,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:25:34,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:25:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash -717218166, now seen corresponding path program 1 times [2024-12-02 08:25:34,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:25:34,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883411718] [2024-12-02 08:25:34,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:25:34,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:25:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:25:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 08:25:43,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:25:43,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883411718] [2024-12-02 08:25:43,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883411718] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:25:43,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:25:43,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:25:43,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780836099] [2024-12-02 08:25:43,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:25:43,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:25:43,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:25:43,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:25:43,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:43,411 INFO L87 Difference]: Start difference. First operand 9743 states and 13431 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:25:47,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:25:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:25:48,943 INFO L93 Difference]: Finished difference Result 22888 states and 31562 transitions. [2024-12-02 08:25:48,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:25:48,943 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 267 [2024-12-02 08:25:48,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:25:49,015 INFO L225 Difference]: With dead ends: 22888 [2024-12-02 08:25:49,015 INFO L226 Difference]: Without dead ends: 13166 [2024-12-02 08:25:49,044 INFO L434 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 [2024-12-02 08:25:49,045 INFO L435 NwaCegarLoop]: 4461 mSDtfsCounter, 1777 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 7095 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:25:49,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 7095 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 08:25:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13166 states. [2024-12-02 08:25:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13166 to 13160. [2024-12-02 08:25:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13160 states, 9584 states have (on average 1.2906928213689481) internal successors, (12370), 9723 states have internal predecessors, (12370), 2856 states have call successors, (2856), 721 states have call predecessors, (2856), 719 states have return successors, (2869), 2821 states have call predecessors, (2869), 2856 states have call successors, (2869) [2024-12-02 08:25:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13160 states to 13160 states and 18095 transitions. [2024-12-02 08:25:49,466 INFO L78 Accepts]: Start accepts. Automaton has 13160 states and 18095 transitions. Word has length 267 [2024-12-02 08:25:49,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:25:49,466 INFO L471 AbstractCegarLoop]: Abstraction has 13160 states and 18095 transitions. [2024-12-02 08:25:49,467 INFO L472 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:25:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 13160 states and 18095 transitions. [2024-12-02 08:25:49,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-12-02 08:25:49,477 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:25:49,477 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:25:49,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:25:49,478 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:25:49,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:25:49,478 INFO L85 PathProgramCache]: Analyzing trace with hash 394764558, now seen corresponding path program 1 times [2024-12-02 08:25:49,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:25:49,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235240204] [2024-12-02 08:25:49,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:25:49,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:25:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:25:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-12-02 08:25:58,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:25:58,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235240204] [2024-12-02 08:25:58,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235240204] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:25:58,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:25:58,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:25:58,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750251358] [2024-12-02 08:25:58,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:25:58,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:25:58,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:25:58,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:25:58,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:58,897 INFO L87 Difference]: Start difference. First operand 13160 states and 18095 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 08:26:02,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:26:04,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:26:04,239 INFO L93 Difference]: Finished difference Result 29687 states and 40828 transitions. [2024-12-02 08:26:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:26:04,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 341 [2024-12-02 08:26:04,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:26:04,303 INFO L225 Difference]: With dead ends: 29687 [2024-12-02 08:26:04,303 INFO L226 Difference]: Without dead ends: 16548 [2024-12-02 08:26:04,337 INFO L434 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 [2024-12-02 08:26:04,338 INFO L435 NwaCegarLoop]: 4466 mSDtfsCounter, 1771 mSDsluCounter, 2641 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 7107 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:26:04,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 7107 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:26:04,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16548 states. [2024-12-02 08:26:04,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16548 to 16542. [2024-12-02 08:26:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16542 states, 12108 states have (on average 1.2936901222332342) internal successors, (15664), 12280 states have internal predecessors, (15664), 3518 states have call successors, (3518), 917 states have call predecessors, (3518), 915 states have return successors, (3531), 3479 states have call predecessors, (3531), 3518 states have call successors, (3531) [2024-12-02 08:26:05,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16542 states to 16542 states and 22713 transitions. [2024-12-02 08:26:05,058 INFO L78 Accepts]: Start accepts. Automaton has 16542 states and 22713 transitions. Word has length 341 [2024-12-02 08:26:05,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:26:05,059 INFO L471 AbstractCegarLoop]: Abstraction has 16542 states and 22713 transitions. [2024-12-02 08:26:05,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 08:26:05,059 INFO L276 IsEmpty]: Start isEmpty. Operand 16542 states and 22713 transitions. [2024-12-02 08:26:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-12-02 08:26:05,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:26:05,073 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 08:26:05,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:26:05,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:26:05,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:26:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash 780622345, now seen corresponding path program 1 times [2024-12-02 08:26:05,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:26:05,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239539726] [2024-12-02 08:26:05,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:26:05,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:26:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:26:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2024-12-02 08:26:15,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:26:15,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239539726] [2024-12-02 08:26:15,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239539726] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:26:15,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:26:15,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:26:15,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719202253] [2024-12-02 08:26:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:26:15,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:26:15,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:26:15,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:26:15,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:26:15,180 INFO L87 Difference]: Start difference. First operand 16542 states and 22713 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 08:26:19,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:26:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:26:20,669 INFO L93 Difference]: Finished difference Result 37125 states and 50986 transitions. [2024-12-02 08:26:20,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:26:20,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 365 [2024-12-02 08:26:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:26:20,748 INFO L225 Difference]: With dead ends: 37125 [2024-12-02 08:26:20,748 INFO L226 Difference]: Without dead ends: 20604 [2024-12-02 08:26:20,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:26:20,786 INFO L435 NwaCegarLoop]: 4599 mSDtfsCounter, 2174 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 6989 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:26:20,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 6989 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:26:20,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20604 states. [2024-12-02 08:26:21,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20604 to 20598. [2024-12-02 08:26:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20598 states, 15129 states have (on average 1.294731971709961) internal successors, (19588), 15336 states have internal predecessors, (19588), 4320 states have call successors, (4320), 1150 states have call predecessors, (4320), 1148 states have return successors, (4333), 4275 states have call predecessors, (4333), 4320 states have call successors, (4333) [2024-12-02 08:26:21,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20598 states to 20598 states and 28241 transitions. [2024-12-02 08:26:21,584 INFO L78 Accepts]: Start accepts. Automaton has 20598 states and 28241 transitions. Word has length 365 [2024-12-02 08:26:21,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:26:21,585 INFO L471 AbstractCegarLoop]: Abstraction has 20598 states and 28241 transitions. [2024-12-02 08:26:21,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 08:26:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 20598 states and 28241 transitions. [2024-12-02 08:26:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 08:26:21,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:26:21,602 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:26:21,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:26:21,602 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:26:21,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:26:21,602 INFO L85 PathProgramCache]: Analyzing trace with hash 651345335, now seen corresponding path program 1 times [2024-12-02 08:26:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:26:21,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116937953] [2024-12-02 08:26:21,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:26:21,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:26:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:26:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2024-12-02 08:26:32,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:26:32,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116937953] [2024-12-02 08:26:32,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116937953] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:26:32,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:26:32,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:26:32,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003446065] [2024-12-02 08:26:32,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:26:32,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:26:32,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:26:32,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:26:32,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:26:32,482 INFO L87 Difference]: Start difference. First operand 20598 states and 28241 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 08:26:36,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:26:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:26:37,940 INFO L93 Difference]: Finished difference Result 44555 states and 61120 transitions. [2024-12-02 08:26:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:26:37,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 401 [2024-12-02 08:26:37,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:26:38,022 INFO L225 Difference]: With dead ends: 44555 [2024-12-02 08:26:38,023 INFO L226 Difference]: Without dead ends: 23978 [2024-12-02 08:26:38,068 INFO L434 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 [2024-12-02 08:26:38,069 INFO L435 NwaCegarLoop]: 4277 mSDtfsCounter, 1771 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 6917 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:26:38,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 6917 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:26:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23978 states. [2024-12-02 08:26:38,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23978 to 23972. [2024-12-02 08:26:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23972 states, 17649 states have (on average 1.2962774094849567) internal successors, (22878), 17889 states have internal predecessors, (22878), 4982 states have call successors, (4982), 1342 states have call predecessors, (4982), 1340 states have return successors, (4995), 4933 states have call predecessors, (4995), 4982 states have call successors, (4995) [2024-12-02 08:26:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23972 states to 23972 states and 32855 transitions. [2024-12-02 08:26:38,603 INFO L78 Accepts]: Start accepts. Automaton has 23972 states and 32855 transitions. Word has length 401 [2024-12-02 08:26:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:26:38,604 INFO L471 AbstractCegarLoop]: Abstraction has 23972 states and 32855 transitions. [2024-12-02 08:26:38,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 08:26:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 23972 states and 32855 transitions. [2024-12-02 08:26:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 08:26:38,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:26:38,618 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:26:38,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:26:38,618 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:26:38,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:26:38,618 INFO L85 PathProgramCache]: Analyzing trace with hash -996017607, now seen corresponding path program 1 times [2024-12-02 08:26:38,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:26:38,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694244198] [2024-12-02 08:26:38,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:26:38,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:26:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:26:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2024-12-02 08:26:48,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:26:48,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694244198] [2024-12-02 08:26:48,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694244198] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:26:48,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:26:48,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:26:48,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166428503] [2024-12-02 08:26:48,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:26:48,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:26:48,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:26:48,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:26:48,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:26:48,533 INFO L87 Difference]: Start difference. First operand 23972 states and 32855 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 08:26:52,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:26:54,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:26:54,104 INFO L93 Difference]: Finished difference Result 51351 states and 70408 transitions. [2024-12-02 08:26:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:26:54,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 401 [2024-12-02 08:26:54,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:26:54,211 INFO L225 Difference]: With dead ends: 51351 [2024-12-02 08:26:54,211 INFO L226 Difference]: Without dead ends: 27400 [2024-12-02 08:26:54,276 INFO L434 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 [2024-12-02 08:26:54,277 INFO L435 NwaCegarLoop]: 4466 mSDtfsCounter, 1784 mSDsluCounter, 2641 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 7107 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:26:54,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 7107 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:26:54,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27400 states. [2024-12-02 08:26:54,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27400 to 27394. [2024-12-02 08:26:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27394 states, 20209 states have (on average 1.297243802266317) internal successors, (26216), 20482 states have internal predecessors, (26216), 5648 states have call successors, (5648), 1538 states have call predecessors, (5648), 1536 states have return successors, (5661), 5595 states have call predecessors, (5661), 5648 states have call successors, (5661) [2024-12-02 08:26:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27394 states to 27394 states and 37525 transitions. [2024-12-02 08:26:54,978 INFO L78 Accepts]: Start accepts. Automaton has 27394 states and 37525 transitions. Word has length 401 [2024-12-02 08:26:54,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:26:54,979 INFO L471 AbstractCegarLoop]: Abstraction has 27394 states and 37525 transitions. [2024-12-02 08:26:54,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 08:26:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 27394 states and 37525 transitions. [2024-12-02 08:26:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2024-12-02 08:26:54,987 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:26:54,987 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:26:54,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:26:54,987 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:26:54,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:26:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1621381826, now seen corresponding path program 1 times [2024-12-02 08:26:54,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:26:54,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870537698] [2024-12-02 08:26:54,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:26:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2024-12-02 08:27:04,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:04,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870537698] [2024-12-02 08:27:04,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870537698] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:04,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:04,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:27:04,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737199968] [2024-12-02 08:27:04,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:04,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:27:04,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:04,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:27:04,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:27:04,874 INFO L87 Difference]: Start difference. First operand 27394 states and 37525 transitions. Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:27:08,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:27:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:10,730 INFO L93 Difference]: Finished difference Result 58882 states and 80628 transitions. [2024-12-02 08:27:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:27:10,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) Word has length 442 [2024-12-02 08:27:10,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:10,826 INFO L225 Difference]: With dead ends: 58882 [2024-12-02 08:27:10,826 INFO L226 Difference]: Without dead ends: 31509 [2024-12-02 08:27:10,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:27:10,882 INFO L435 NwaCegarLoop]: 4374 mSDtfsCounter, 1952 mSDsluCounter, 11364 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 15738 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:10,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 15738 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 08:27:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31509 states. [2024-12-02 08:27:11,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31509 to 31495. [2024-12-02 08:27:11,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31495 states, 23217 states have (on average 1.2968083731748288) internal successors, (30108), 23531 states have internal predecessors, (30108), 6489 states have call successors, (6489), 1788 states have call predecessors, (6489), 1788 states have return successors, (6506), 6431 states have call predecessors, (6506), 6489 states have call successors, (6506) [2024-12-02 08:27:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31495 states to 31495 states and 43103 transitions. [2024-12-02 08:27:11,713 INFO L78 Accepts]: Start accepts. Automaton has 31495 states and 43103 transitions. Word has length 442 [2024-12-02 08:27:11,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:11,713 INFO L471 AbstractCegarLoop]: Abstraction has 31495 states and 43103 transitions. [2024-12-02 08:27:11,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:27:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 31495 states and 43103 transitions. [2024-12-02 08:27:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-12-02 08:27:11,723 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:11,723 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:27:11,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:27:11,724 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:11,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:11,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1497980670, now seen corresponding path program 1 times [2024-12-02 08:27:11,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:11,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664163327] [2024-12-02 08:27:11,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2024-12-02 08:27:21,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:21,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664163327] [2024-12-02 08:27:21,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664163327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:21,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:21,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:27:21,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720240163] [2024-12-02 08:27:21,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:21,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:27:21,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:21,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:27:21,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:27:21,306 INFO L87 Difference]: Start difference. First operand 31495 states and 43103 transitions. Second operand has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:27:25,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:27:27,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:27,336 INFO L93 Difference]: Finished difference Result 66542 states and 91032 transitions. [2024-12-02 08:27:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:27:27,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 467 [2024-12-02 08:27:27,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:27,460 INFO L225 Difference]: With dead ends: 66542 [2024-12-02 08:27:27,460 INFO L226 Difference]: Without dead ends: 35068 [2024-12-02 08:27:27,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:27:27,548 INFO L435 NwaCegarLoop]: 4484 mSDtfsCounter, 1889 mSDsluCounter, 11502 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 15986 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:27,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 15986 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 08:27:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35068 states. [2024-12-02 08:27:28,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35068 to 35054. [2024-12-02 08:27:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35054 states, 25858 states have (on average 1.2970067290587053) internal successors, (33538), 26207 states have internal predecessors, (33538), 7175 states have call successors, (7175), 2016 states have call predecessors, (7175), 2020 states have return successors, (7196), 7117 states have call predecessors, (7196), 7175 states have call successors, (7196) [2024-12-02 08:27:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35054 states to 35054 states and 47909 transitions. [2024-12-02 08:27:28,472 INFO L78 Accepts]: Start accepts. Automaton has 35054 states and 47909 transitions. Word has length 467 [2024-12-02 08:27:28,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:28,472 INFO L471 AbstractCegarLoop]: Abstraction has 35054 states and 47909 transitions. [2024-12-02 08:27:28,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:27:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35054 states and 47909 transitions. [2024-12-02 08:27:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-12-02 08:27:28,483 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:28,483 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:27:28,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:27:28,483 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:28,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:28,483 INFO L85 PathProgramCache]: Analyzing trace with hash 964522181, now seen corresponding path program 1 times [2024-12-02 08:27:28,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:28,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643154059] [2024-12-02 08:27:28,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2024-12-02 08:27:38,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643154059] [2024-12-02 08:27:38,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643154059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:38,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:38,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:27:38,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341863309] [2024-12-02 08:27:38,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:38,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:27:38,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:38,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:27:38,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:27:38,296 INFO L87 Difference]: Start difference. First operand 35054 states and 47909 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:27:42,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:27:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:44,424 INFO L93 Difference]: Finished difference Result 73467 states and 100452 transitions. [2024-12-02 08:27:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:27:44,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) Word has length 444 [2024-12-02 08:27:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:44,548 INFO L225 Difference]: With dead ends: 73467 [2024-12-02 08:27:44,549 INFO L226 Difference]: Without dead ends: 38434 [2024-12-02 08:27:44,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:27:44,622 INFO L435 NwaCegarLoop]: 4470 mSDtfsCounter, 1764 mSDsluCounter, 11575 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 16045 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:44,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 16045 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 08:27:44,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38434 states. [2024-12-02 08:27:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38434 to 38420. [2024-12-02 08:27:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38420 states, 28370 states have (on average 1.2978498413817412) internal successors, (36820), 28752 states have internal predecessors, (36820), 7837 states have call successors, (7837), 2208 states have call predecessors, (7837), 2212 states have return successors, (7858), 7775 states have call predecessors, (7858), 7837 states have call successors, (7858) [2024-12-02 08:27:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38420 states to 38420 states and 52515 transitions. [2024-12-02 08:27:45,397 INFO L78 Accepts]: Start accepts. Automaton has 38420 states and 52515 transitions. Word has length 444 [2024-12-02 08:27:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:45,398 INFO L471 AbstractCegarLoop]: Abstraction has 38420 states and 52515 transitions. [2024-12-02 08:27:45,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:27:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 38420 states and 52515 transitions. [2024-12-02 08:27:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-12-02 08:27:45,408 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:45,409 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:27:45,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:27:45,409 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:45,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:45,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1426165612, now seen corresponding path program 1 times [2024-12-02 08:27:45,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:45,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010414082] [2024-12-02 08:27:45,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:45,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1082 trivial. 0 not checked. [2024-12-02 08:27:55,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:55,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010414082] [2024-12-02 08:27:55,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010414082] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:55,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:55,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:27:55,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684658214] [2024-12-02 08:27:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:55,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:27:55,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:55,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:27:55,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:27:55,232 INFO L87 Difference]: Start difference. First operand 38420 states and 52515 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 08:27:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:55,923 INFO L93 Difference]: Finished difference Result 76995 states and 105293 transitions. [2024-12-02 08:27:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:27:55,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 467 [2024-12-02 08:27:55,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:56,081 INFO L225 Difference]: With dead ends: 76995 [2024-12-02 08:27:56,081 INFO L226 Difference]: Without dead ends: 38596 [2024-12-02 08:27:56,169 INFO L434 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 [2024-12-02 08:27:56,170 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 4 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5385 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:56,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5385 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:27:56,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38596 states. [2024-12-02 08:27:56,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38596 to 38464. [2024-12-02 08:27:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38464 states, 28414 states have (on average 1.2973886112479764) internal successors, (36864), 28796 states have internal predecessors, (36864), 7837 states have call successors, (7837), 2208 states have call predecessors, (7837), 2212 states have return successors, (7858), 7775 states have call predecessors, (7858), 7837 states have call successors, (7858) [2024-12-02 08:27:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38464 states to 38464 states and 52559 transitions. [2024-12-02 08:27:57,128 INFO L78 Accepts]: Start accepts. Automaton has 38464 states and 52559 transitions. Word has length 467 [2024-12-02 08:27:57,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:57,129 INFO L471 AbstractCegarLoop]: Abstraction has 38464 states and 52559 transitions. [2024-12-02 08:27:57,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 08:27:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 38464 states and 52559 transitions. [2024-12-02 08:27:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-12-02 08:27:57,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:57,141 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:27:57,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:27:57,141 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:57,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash 105686142, now seen corresponding path program 1 times [2024-12-02 08:27:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:57,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921106470] [2024-12-02 08:27:57,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:57,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:28:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:28:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2024-12-02 08:28:06,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:28:06,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921106470] [2024-12-02 08:28:06,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921106470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:28:06,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:28:06,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:28:06,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192615098] [2024-12-02 08:28:06,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:28:06,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:28:06,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:28:06,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:28:06,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:28:06,217 INFO L87 Difference]: Start difference. First operand 38464 states and 52559 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:28:10,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:28:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:28:11,878 INFO L93 Difference]: Finished difference Result 80614 states and 110156 transitions. [2024-12-02 08:28:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:28:11,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 459 [2024-12-02 08:28:11,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:28:12,046 INFO L225 Difference]: With dead ends: 80614 [2024-12-02 08:28:12,047 INFO L226 Difference]: Without dead ends: 42171 [2024-12-02 08:28:12,131 INFO L434 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 [2024-12-02 08:28:12,132 INFO L435 NwaCegarLoop]: 4558 mSDtfsCounter, 1939 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 7198 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:28:12,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 7198 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:28:12,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42171 states. [2024-12-02 08:28:13,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42171 to 42165. [2024-12-02 08:28:13,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42165 states, 31133 states have (on average 1.2974657116243216) internal successors, (40394), 31552 states have internal predecessors, (40394), 8599 states have call successors, (8599), 2430 states have call predecessors, (8599), 2432 states have return successors, (8620), 8531 states have call predecessors, (8620), 8599 states have call successors, (8620) [2024-12-02 08:28:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42165 states to 42165 states and 57613 transitions. [2024-12-02 08:28:13,207 INFO L78 Accepts]: Start accepts. Automaton has 42165 states and 57613 transitions. Word has length 459 [2024-12-02 08:28:13,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:28:13,208 INFO L471 AbstractCegarLoop]: Abstraction has 42165 states and 57613 transitions. [2024-12-02 08:28:13,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:28:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 42165 states and 57613 transitions. [2024-12-02 08:28:13,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2024-12-02 08:28:13,219 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:28:13,219 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 08:28:13,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:28:13,219 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:28:13,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:28:13,220 INFO L85 PathProgramCache]: Analyzing trace with hash -660697413, now seen corresponding path program 1 times [2024-12-02 08:28:13,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:28:13,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077165715] [2024-12-02 08:28:13,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:28:13,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:28:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:28:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2024-12-02 08:28:22,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:28:22,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077165715] [2024-12-02 08:28:22,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077165715] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:28:22,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:28:22,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:28:22,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085268209] [2024-12-02 08:28:22,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:28:22,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:28:22,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:28:22,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:28:22,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:28:22,905 INFO L87 Difference]: Start difference. First operand 42165 states and 57613 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 08:28:23,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:28:23,731 INFO L93 Difference]: Finished difference Result 84485 states and 115465 transitions. [2024-12-02 08:28:23,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:28:23,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 466 [2024-12-02 08:28:23,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:28:23,890 INFO L225 Difference]: With dead ends: 84485 [2024-12-02 08:28:23,890 INFO L226 Difference]: Without dead ends: 42341 [2024-12-02 08:28:23,980 INFO L434 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 [2024-12-02 08:28:23,980 INFO L435 NwaCegarLoop]: 2698 mSDtfsCounter, 39 mSDsluCounter, 2688 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 5386 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:28:23,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 5386 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:28:24,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42341 states. [2024-12-02 08:28:24,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42341 to 42169. [2024-12-02 08:28:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42169 states, 31137 states have (on average 1.2974274978321612) internal successors, (40398), 31556 states have internal predecessors, (40398), 8599 states have call successors, (8599), 2430 states have call predecessors, (8599), 2432 states have return successors, (8620), 8531 states have call predecessors, (8620), 8599 states have call successors, (8620) [2024-12-02 08:28:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42169 states to 42169 states and 57617 transitions. [2024-12-02 08:28:24,878 INFO L78 Accepts]: Start accepts. Automaton has 42169 states and 57617 transitions. Word has length 466 [2024-12-02 08:28:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:28:24,879 INFO L471 AbstractCegarLoop]: Abstraction has 42169 states and 57617 transitions. [2024-12-02 08:28:24,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 08:28:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 42169 states and 57617 transitions. [2024-12-02 08:28:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-12-02 08:28:24,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:28:24,889 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:28:24,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:28:24,890 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:28:24,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:28:24,890 INFO L85 PathProgramCache]: Analyzing trace with hash -892501602, now seen corresponding path program 1 times [2024-12-02 08:28:24,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:28:24,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786794772] [2024-12-02 08:28:24,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:28:24,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:28:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:28:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:28:34,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:28:34,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786794772] [2024-12-02 08:28:34,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786794772] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:28:34,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440013664] [2024-12-02 08:28:34,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:28:34,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:28:34,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:28:34,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:28:34,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:28:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:28:45,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 5462 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:28:45,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:28:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 08:28:56,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:28:56,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440013664] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:28:56,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:28:56,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 08:28:56,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101877498] [2024-12-02 08:28:56,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:28:56,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:28:56,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:28:56,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:28:56,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:28:56,043 INFO L87 Difference]: Start difference. First operand 42169 states and 57617 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:28:56,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:28:56,752 INFO L93 Difference]: Finished difference Result 84409 states and 115517 transitions. [2024-12-02 08:28:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:28:56,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) Word has length 481 [2024-12-02 08:28:56,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:28:56,913 INFO L225 Difference]: With dead ends: 84409 [2024-12-02 08:28:56,913 INFO L226 Difference]: Without dead ends: 42261 [2024-12-02 08:28:57,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:28:57,005 INFO L435 NwaCegarLoop]: 2697 mSDtfsCounter, 2413 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 2739 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:28:57,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 2739 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:28:57,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42261 states. [2024-12-02 08:28:57,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42261 to 42261. [2024-12-02 08:28:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42261 states, 31199 states have (on average 1.295810763165486) internal successors, (40428), 31620 states have internal predecessors, (40428), 8607 states have call successors, (8607), 2452 states have call predecessors, (8607), 2454 states have return successors, (8628), 8539 states have call predecessors, (8628), 8607 states have call successors, (8628) [2024-12-02 08:28:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42261 states to 42261 states and 57663 transitions. [2024-12-02 08:28:58,104 INFO L78 Accepts]: Start accepts. Automaton has 42261 states and 57663 transitions. Word has length 481 [2024-12-02 08:28:58,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:28:58,105 INFO L471 AbstractCegarLoop]: Abstraction has 42261 states and 57663 transitions. [2024-12-02 08:28:58,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:28:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 42261 states and 57663 transitions. [2024-12-02 08:28:58,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-12-02 08:28:58,115 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:28:58,115 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:28:58,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:28:58,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:28:58,315 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:28:58,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:28:58,316 INFO L85 PathProgramCache]: Analyzing trace with hash -630469450, now seen corresponding path program 1 times [2024-12-02 08:28:58,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:28:58,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579322589] [2024-12-02 08:28:58,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:28:58,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:29:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:29:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:29:07,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:29:07,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579322589] [2024-12-02 08:29:07,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579322589] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:29:07,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532003643] [2024-12-02 08:29:07,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:29:07,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:29:07,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:29:07,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:29:07,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:29:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:29:19,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 5463 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:29:19,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:29:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 08:29:29,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:29:29,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532003643] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:29:29,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:29:29,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 08:29:29,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967141889] [2024-12-02 08:29:29,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:29:29,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:29:29,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:29:29,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:29:29,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:29:29,089 INFO L87 Difference]: Start difference. First operand 42261 states and 57663 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:29:29,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:29:29,770 INFO L93 Difference]: Finished difference Result 84501 states and 115527 transitions. [2024-12-02 08:29:29,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:29:29,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) Word has length 482 [2024-12-02 08:29:29,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:29:29,927 INFO L225 Difference]: With dead ends: 84501 [2024-12-02 08:29:29,927 INFO L226 Difference]: Without dead ends: 42261 [2024-12-02 08:29:30,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:29:30,019 INFO L435 NwaCegarLoop]: 2698 mSDtfsCounter, 2425 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 2698 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:29:30,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 2698 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:29:30,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42261 states. [2024-12-02 08:29:30,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42261 to 42261. [2024-12-02 08:29:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42261 states, 31199 states have (on average 1.2946568800282061) internal successors, (40392), 31620 states have internal predecessors, (40392), 8607 states have call successors, (8607), 2452 states have call predecessors, (8607), 2454 states have return successors, (8628), 8539 states have call predecessors, (8628), 8607 states have call successors, (8628) [2024-12-02 08:29:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42261 states to 42261 states and 57627 transitions. [2024-12-02 08:29:31,139 INFO L78 Accepts]: Start accepts. Automaton has 42261 states and 57627 transitions. Word has length 482 [2024-12-02 08:29:31,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:29:31,140 INFO L471 AbstractCegarLoop]: Abstraction has 42261 states and 57627 transitions. [2024-12-02 08:29:31,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:29:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 42261 states and 57627 transitions. [2024-12-02 08:29:31,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-12-02 08:29:31,149 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:29:31,149 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:29:31,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:29:31,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 08:29:31,349 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:29:31,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:29:31,350 INFO L85 PathProgramCache]: Analyzing trace with hash -982890726, now seen corresponding path program 1 times [2024-12-02 08:29:31,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:29:31,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231014372] [2024-12-02 08:29:31,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:29:31,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:29:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:29:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:29:40,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:29:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231014372] [2024-12-02 08:29:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231014372] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:29:40,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841057930] [2024-12-02 08:29:40,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:29:40,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:29:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:29:40,609 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:29:40,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:29:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:29:52,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 5464 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:29:52,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:30:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 08:30:02,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:30:02,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841057930] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:30:02,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:30:02,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 08:30:02,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486111670] [2024-12-02 08:30:02,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:30:02,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:30:02,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:30:02,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:30:02,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:30:02,123 INFO L87 Difference]: Start difference. First operand 42261 states and 57627 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:30:02,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:30:02,896 INFO L93 Difference]: Finished difference Result 84501 states and 115455 transitions. [2024-12-02 08:30:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:30:02,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) Word has length 483 [2024-12-02 08:30:02,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:30:03,060 INFO L225 Difference]: With dead ends: 84501 [2024-12-02 08:30:03,060 INFO L226 Difference]: Without dead ends: 42261 [2024-12-02 08:30:03,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:30:03,151 INFO L435 NwaCegarLoop]: 2697 mSDtfsCounter, 2423 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:30:03,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2423 Valid, 2697 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:30:03,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42261 states. [2024-12-02 08:30:04,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42261 to 42261. [2024-12-02 08:30:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42261 states, 31199 states have (on average 1.293502996890926) internal successors, (40356), 31620 states have internal predecessors, (40356), 8607 states have call successors, (8607), 2452 states have call predecessors, (8607), 2454 states have return successors, (8628), 8539 states have call predecessors, (8628), 8607 states have call successors, (8628) [2024-12-02 08:30:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42261 states to 42261 states and 57591 transitions. [2024-12-02 08:30:04,469 INFO L78 Accepts]: Start accepts. Automaton has 42261 states and 57591 transitions. Word has length 483 [2024-12-02 08:30:04,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:30:04,470 INFO L471 AbstractCegarLoop]: Abstraction has 42261 states and 57591 transitions. [2024-12-02 08:30:04,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:30:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 42261 states and 57591 transitions. [2024-12-02 08:30:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2024-12-02 08:30:04,481 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:30:04,481 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:30:04,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:30:04,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 08:30:04,681 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:30:04,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:30:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1091468210, now seen corresponding path program 1 times [2024-12-02 08:30:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:30:04,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210191500] [2024-12-02 08:30:04,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:30:04,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:30:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:30:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:30:13,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:30:13,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210191500] [2024-12-02 08:30:13,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210191500] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:30:13,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117723351] [2024-12-02 08:30:13,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:30:13,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:30:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:30:13,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:30:13,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 08:30:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:30:24,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 5465 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:30:24,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:30:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 08:30:34,197 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:30:34,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117723351] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:30:34,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:30:34,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 08:30:34,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710505618] [2024-12-02 08:30:34,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:30:34,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:30:34,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:30:34,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:30:34,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:30:34,200 INFO L87 Difference]: Start difference. First operand 42261 states and 57591 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:30:35,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:30:35,019 INFO L93 Difference]: Finished difference Result 84501 states and 115383 transitions. [2024-12-02 08:30:35,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:30:35,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) Word has length 484 [2024-12-02 08:30:35,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:30:35,190 INFO L225 Difference]: With dead ends: 84501 [2024-12-02 08:30:35,190 INFO L226 Difference]: Without dead ends: 42261 [2024-12-02 08:30:35,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:30:35,285 INFO L435 NwaCegarLoop]: 2696 mSDtfsCounter, 2421 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:30:35,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2421 Valid, 2696 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:30:35,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42261 states. [2024-12-02 08:30:36,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42261 to 42261. [2024-12-02 08:30:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42261 states, 31199 states have (on average 1.292349113753646) internal successors, (40320), 31620 states have internal predecessors, (40320), 8607 states have call successors, (8607), 2452 states have call predecessors, (8607), 2454 states have return successors, (8628), 8539 states have call predecessors, (8628), 8607 states have call successors, (8628) [2024-12-02 08:30:36,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42261 states to 42261 states and 57555 transitions. [2024-12-02 08:30:36,496 INFO L78 Accepts]: Start accepts. Automaton has 42261 states and 57555 transitions. Word has length 484 [2024-12-02 08:30:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:30:36,497 INFO L471 AbstractCegarLoop]: Abstraction has 42261 states and 57555 transitions. [2024-12-02 08:30:36,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:30:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 42261 states and 57555 transitions. [2024-12-02 08:30:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2024-12-02 08:30:36,507 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:30:36,507 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:30:36,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 08:30:36,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 08:30:36,708 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:30:36,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:30:36,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1086602390, now seen corresponding path program 1 times [2024-12-02 08:30:36,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:30:36,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222487032] [2024-12-02 08:30:36,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:30:36,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:30:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:30:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:30:45,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:30:45,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222487032] [2024-12-02 08:30:45,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222487032] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:30:45,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956684616] [2024-12-02 08:30:45,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:30:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:30:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:30:45,793 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:30:45,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 08:30:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:30:57,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 5466 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:30:57,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:31:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 08:31:06,801 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:31:06,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956684616] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:31:06,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:31:06,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 08:31:06,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134677019] [2024-12-02 08:31:06,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:31:06,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:31:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:31:06,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:31:06,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:31:06,803 INFO L87 Difference]: Start difference. First operand 42261 states and 57555 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:31:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:31:07,724 INFO L93 Difference]: Finished difference Result 84501 states and 115311 transitions. [2024-12-02 08:31:07,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:31:07,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) Word has length 485 [2024-12-02 08:31:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:31:07,901 INFO L225 Difference]: With dead ends: 84501 [2024-12-02 08:31:07,901 INFO L226 Difference]: Without dead ends: 42261 [2024-12-02 08:31:07,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:31:07,991 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 2419 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:31:07,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 2695 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:31:08,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42261 states. [2024-12-02 08:31:09,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42261 to 42261. [2024-12-02 08:31:09,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42261 states, 31199 states have (on average 1.2911952306163659) internal successors, (40284), 31620 states have internal predecessors, (40284), 8607 states have call successors, (8607), 2452 states have call predecessors, (8607), 2454 states have return successors, (8628), 8539 states have call predecessors, (8628), 8607 states have call successors, (8628) [2024-12-02 08:31:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42261 states to 42261 states and 57519 transitions. [2024-12-02 08:31:09,329 INFO L78 Accepts]: Start accepts. Automaton has 42261 states and 57519 transitions. Word has length 485 [2024-12-02 08:31:09,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:31:09,329 INFO L471 AbstractCegarLoop]: Abstraction has 42261 states and 57519 transitions. [2024-12-02 08:31:09,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:31:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 42261 states and 57519 transitions. [2024-12-02 08:31:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2024-12-02 08:31:09,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:31:09,339 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:31:09,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 08:31:09,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:31:09,540 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:31:09,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:31:09,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1050278574, now seen corresponding path program 1 times [2024-12-02 08:31:09,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:31:09,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120044707] [2024-12-02 08:31:09,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:09,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:31:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:31:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:31:18,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:31:18,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120044707] [2024-12-02 08:31:18,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120044707] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:31:18,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041100008] [2024-12-02 08:31:18,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:18,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:31:18,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:31:18,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:31:18,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 08:31:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:31:30,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 5467 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:31:30,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:31:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 08:31:39,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:31:39,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041100008] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:31:39,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:31:39,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 08:31:39,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313827377] [2024-12-02 08:31:39,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:31:39,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:31:39,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:31:39,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:31:39,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:31:39,717 INFO L87 Difference]: Start difference. First operand 42261 states and 57519 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:31:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:31:40,670 INFO L93 Difference]: Finished difference Result 84501 states and 115239 transitions. [2024-12-02 08:31:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:31:40,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) Word has length 486 [2024-12-02 08:31:40,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:31:40,856 INFO L225 Difference]: With dead ends: 84501 [2024-12-02 08:31:40,856 INFO L226 Difference]: Without dead ends: 42261 [2024-12-02 08:31:40,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:31:40,947 INFO L435 NwaCegarLoop]: 2694 mSDtfsCounter, 2417 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:31:40,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 2694 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:31:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42261 states. [2024-12-02 08:31:42,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42261 to 42261. [2024-12-02 08:31:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42261 states, 31199 states have (on average 1.290041347479086) internal successors, (40248), 31620 states have internal predecessors, (40248), 8607 states have call successors, (8607), 2452 states have call predecessors, (8607), 2454 states have return successors, (8628), 8539 states have call predecessors, (8628), 8607 states have call successors, (8628) [2024-12-02 08:31:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42261 states to 42261 states and 57483 transitions. [2024-12-02 08:31:42,296 INFO L78 Accepts]: Start accepts. Automaton has 42261 states and 57483 transitions. Word has length 486 [2024-12-02 08:31:42,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:31:42,297 INFO L471 AbstractCegarLoop]: Abstraction has 42261 states and 57483 transitions. [2024-12-02 08:31:42,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 08:31:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 42261 states and 57483 transitions. [2024-12-02 08:31:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-12-02 08:31:42,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:31:42,307 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:31:42,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 08:31:42,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-12-02 08:31:42,507 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:31:42,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:31:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash 38756882, now seen corresponding path program 1 times [2024-12-02 08:31:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:31:42,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25119077] [2024-12-02 08:31:42,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:31:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:31:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:31:51,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:31:51,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25119077] [2024-12-02 08:31:51,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25119077] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:31:51,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905005955] [2024-12-02 08:31:51,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:31:51,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:31:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:31:51,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:31:51,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 08:32:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:32:03,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 5468 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:32:03,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:32:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2024-12-02 08:32:03,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:32:03,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905005955] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:32:03,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:32:03,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:32:03,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14688690] [2024-12-02 08:32:03,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:32:03,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:32:03,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:32:03,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:32:03,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:32:03,583 INFO L87 Difference]: Start difference. First operand 42261 states and 57483 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 08:32:04,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:32:04,760 INFO L93 Difference]: Finished difference Result 84949 states and 115696 transitions. [2024-12-02 08:32:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:32:04,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 487 [2024-12-02 08:32:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:32:04,954 INFO L225 Difference]: With dead ends: 84949 [2024-12-02 08:32:04,954 INFO L226 Difference]: Without dead ends: 42709 [2024-12-02 08:32:05,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:32:05,187 INFO L435 NwaCegarLoop]: 2690 mSDtfsCounter, 12 mSDsluCounter, 2683 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:32:05,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 5373 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:32:05,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42709 states. [2024-12-02 08:32:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42709 to 42317. [2024-12-02 08:32:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42317 states, 31255 states have (on average 1.289521676531755) internal successors, (40304), 31676 states have internal predecessors, (40304), 8607 states have call successors, (8607), 2452 states have call predecessors, (8607), 2454 states have return successors, (8628), 8539 states have call predecessors, (8628), 8607 states have call successors, (8628) [2024-12-02 08:32:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42317 states to 42317 states and 57539 transitions. [2024-12-02 08:32:06,419 INFO L78 Accepts]: Start accepts. Automaton has 42317 states and 57539 transitions. Word has length 487 [2024-12-02 08:32:06,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:32:06,420 INFO L471 AbstractCegarLoop]: Abstraction has 42317 states and 57539 transitions. [2024-12-02 08:32:06,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 08:32:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 42317 states and 57539 transitions. [2024-12-02 08:32:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-12-02 08:32:06,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:32:06,431 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:32:06,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 08:32:06,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 08:32:06,631 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:32:06,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:32:06,632 INFO L85 PathProgramCache]: Analyzing trace with hash -279301090, now seen corresponding path program 1 times [2024-12-02 08:32:06,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:32:06,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962135910] [2024-12-02 08:32:06,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:32:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:32:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:32:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2024-12-02 08:32:16,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:32:16,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962135910] [2024-12-02 08:32:16,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962135910] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:32:16,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:32:16,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:32:16,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213428596] [2024-12-02 08:32:16,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:32:16,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:32:16,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:32:16,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:32:16,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:32:16,138 INFO L87 Difference]: Start difference. First operand 42317 states and 57539 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:32:20,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:32:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:32:22,349 INFO L93 Difference]: Finished difference Result 88033 states and 119734 transitions. [2024-12-02 08:32:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:32:22,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 472 [2024-12-02 08:32:22,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:32:22,561 INFO L225 Difference]: With dead ends: 88033 [2024-12-02 08:32:22,561 INFO L226 Difference]: Without dead ends: 45737 [2024-12-02 08:32:22,655 INFO L434 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 [2024-12-02 08:32:22,656 INFO L435 NwaCegarLoop]: 4467 mSDtfsCounter, 1772 mSDsluCounter, 2637 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 7104 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:32:22,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1772 Valid, 7104 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:32:22,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45737 states. [2024-12-02 08:32:23,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45737 to 45731. [2024-12-02 08:32:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45731 states, 33807 states have (on average 1.2901470109740587) internal successors, (43616), 34261 states have internal predecessors, (43616), 9273 states have call successors, (9273), 2648 states have call predecessors, (9273), 2650 states have return successors, (9294), 9201 states have call predecessors, (9294), 9273 states have call successors, (9294) [2024-12-02 08:32:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45731 states to 45731 states and 62183 transitions. [2024-12-02 08:32:24,201 INFO L78 Accepts]: Start accepts. Automaton has 45731 states and 62183 transitions. Word has length 472 [2024-12-02 08:32:24,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:32:24,202 INFO L471 AbstractCegarLoop]: Abstraction has 45731 states and 62183 transitions. [2024-12-02 08:32:24,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 08:32:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 45731 states and 62183 transitions. [2024-12-02 08:32:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2024-12-02 08:32:24,212 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:32:24,213 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:32:24,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 08:32:24,213 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:32:24,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:32:24,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1165946482, now seen corresponding path program 1 times [2024-12-02 08:32:24,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:32:24,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643328570] [2024-12-02 08:32:24,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:32:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:32:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:32:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2024-12-02 08:32:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:32:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643328570] [2024-12-02 08:32:33,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643328570] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:32:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839157338] [2024-12-02 08:32:33,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:32:33,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:32:33,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:32:33,544 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:32:33,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 08:32:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:32:45,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 5526 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:32:45,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:32:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1131 trivial. 0 not checked. [2024-12-02 08:32:45,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:32:45,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839157338] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:32:45,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:32:45,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:32:45,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414878053] [2024-12-02 08:32:45,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:32:45,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:32:45,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:32:45,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:32:45,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:32:45,561 INFO L87 Difference]: Start difference. First operand 45731 states and 62183 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 08:32:46,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:32:46,997 INFO L93 Difference]: Finished difference Result 91801 states and 124967 transitions. [2024-12-02 08:32:46,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:32:46,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 495 [2024-12-02 08:32:46,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:32:47,199 INFO L225 Difference]: With dead ends: 91801 [2024-12-02 08:32:47,199 INFO L226 Difference]: Without dead ends: 46091 [2024-12-02 08:32:47,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:32:47,289 INFO L435 NwaCegarLoop]: 2687 mSDtfsCounter, 7 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5368 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:32:47,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 5368 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:32:47,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46091 states. [2024-12-02 08:32:48,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46091 to 45821. [2024-12-02 08:32:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45821 states, 33897 states have (on average 1.2893766410006786) internal successors, (43706), 34351 states have internal predecessors, (43706), 9273 states have call successors, (9273), 2648 states have call predecessors, (9273), 2650 states have return successors, (9294), 9201 states have call predecessors, (9294), 9273 states have call successors, (9294) [2024-12-02 08:32:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45821 states to 45821 states and 62273 transitions. [2024-12-02 08:32:48,698 INFO L78 Accepts]: Start accepts. Automaton has 45821 states and 62273 transitions. Word has length 495 [2024-12-02 08:32:48,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:32:48,699 INFO L471 AbstractCegarLoop]: Abstraction has 45821 states and 62273 transitions. [2024-12-02 08:32:48,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 08:32:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 45821 states and 62273 transitions. [2024-12-02 08:32:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2024-12-02 08:32:48,710 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:32:48,710 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:32:48,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 08:32:48,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-02 08:32:48,911 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:32:48,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:32:48,911 INFO L85 PathProgramCache]: Analyzing trace with hash -579800778, now seen corresponding path program 1 times [2024-12-02 08:32:48,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:32:48,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870327279] [2024-12-02 08:32:48,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:32:48,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:32:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:32:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1131 trivial. 0 not checked. [2024-12-02 08:32:58,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:32:58,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870327279] [2024-12-02 08:32:58,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870327279] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:32:58,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743116189] [2024-12-02 08:32:58,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:32:58,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:32:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:32:58,482 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:32:58,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 08:33:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:33:10,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 5569 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:33:10,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:33:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 104 proven. 1 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-12-02 08:33:10,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:33:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1131 trivial. 0 not checked. [2024-12-02 08:33:14,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743116189] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:33:14,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:33:14,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 08:33:14,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659524587] [2024-12-02 08:33:14,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:33:14,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:33:14,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:33:14,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:33:14,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:33:14,851 INFO L87 Difference]: Start difference. First operand 45821 states and 62273 transitions. Second operand has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 5 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2024-12-02 08:33:16,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:33:16,602 INFO L93 Difference]: Finished difference Result 92141 states and 125329 transitions. [2024-12-02 08:33:16,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:33:16,603 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 5 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) Word has length 497 [2024-12-02 08:33:16,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:33:16,814 INFO L225 Difference]: With dead ends: 92141 [2024-12-02 08:33:16,814 INFO L226 Difference]: Without dead ends: 46341 [2024-12-02 08:33:16,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 991 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:33:16,911 INFO L435 NwaCegarLoop]: 2688 mSDtfsCounter, 12 mSDsluCounter, 10728 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 13416 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:33:16,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 13416 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:33:16,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46341 states. [2024-12-02 08:33:18,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46341 to 46237. [2024-12-02 08:33:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46237 states, 34209 states have (on average 1.2867374082843697) internal successors, (44018), 34663 states have internal predecessors, (44018), 9377 states have call successors, (9377), 2648 states have call predecessors, (9377), 2650 states have return successors, (9398), 9305 states have call predecessors, (9398), 9377 states have call successors, (9398) [2024-12-02 08:33:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46237 states to 46237 states and 62793 transitions. [2024-12-02 08:33:18,730 INFO L78 Accepts]: Start accepts. Automaton has 46237 states and 62793 transitions. Word has length 497 [2024-12-02 08:33:18,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:33:18,731 INFO L471 AbstractCegarLoop]: Abstraction has 46237 states and 62793 transitions. [2024-12-02 08:33:18,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 5 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2024-12-02 08:33:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 46237 states and 62793 transitions. [2024-12-02 08:33:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-12-02 08:33:18,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:33:18,743 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 10, 10, 10, 10, 10, 10, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 08:33:18,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 08:33:18,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89708271-591d-4134-a827-9e97e35e9321/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-02 08:33:18,943 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:33:18,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:33:18,944 INFO L85 PathProgramCache]: Analyzing trace with hash -468929119, now seen corresponding path program 1 times [2024-12-02 08:33:18,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:33:18,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223774574] [2024-12-02 08:33:18,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:33:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:33:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:33:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2024-12-02 08:33:28,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:33:28,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223774574] [2024-12-02 08:33:28,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223774574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:33:28,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:33:28,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:33:28,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051644412] [2024-12-02 08:33:28,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:33:28,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:33:28,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:33:28,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:33:28,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:33:28,417 INFO L87 Difference]: Start difference. First operand 46237 states and 62793 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:33:29,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:33:29,723 INFO L93 Difference]: Finished difference Result 92509 states and 125641 transitions. [2024-12-02 08:33:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:33:29,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 500 [2024-12-02 08:33:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:33:29,935 INFO L225 Difference]: With dead ends: 92509 [2024-12-02 08:33:29,935 INFO L226 Difference]: Without dead ends: 46293 [2024-12-02 08:33:30,031 INFO L434 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 [2024-12-02 08:33:30,032 INFO L435 NwaCegarLoop]: 2691 mSDtfsCounter, 11 mSDsluCounter, 2683 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 5374 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:33:30,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 5374 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:33:30,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46293 states. [2024-12-02 08:33:31,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46293 to 46241. [2024-12-02 08:33:31,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46241 states, 34213 states have (on average 1.2867038844883525) internal successors, (44022), 34667 states have internal predecessors, (44022), 9377 states have call successors, (9377), 2648 states have call predecessors, (9377), 2650 states have return successors, (9398), 9305 states have call predecessors, (9398), 9377 states have call successors, (9398) [2024-12-02 08:33:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46241 states to 46241 states and 62797 transitions. [2024-12-02 08:33:31,706 INFO L78 Accepts]: Start accepts. Automaton has 46241 states and 62797 transitions. Word has length 500 [2024-12-02 08:33:31,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:33:31,707 INFO L471 AbstractCegarLoop]: Abstraction has 46241 states and 62797 transitions. [2024-12-02 08:33:31,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:33:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 46241 states and 62797 transitions. [2024-12-02 08:33:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-12-02 08:33:31,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:33:31,719 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:33:31,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 08:33:31,719 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:33:31,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:33:31,720 INFO L85 PathProgramCache]: Analyzing trace with hash 189336637, now seen corresponding path program 1 times [2024-12-02 08:33:31,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:33:31,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322155192] [2024-12-02 08:33:31,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:33:31,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:33:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:33:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 1284 trivial. 0 not checked. [2024-12-02 08:33:43,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:33:43,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322155192] [2024-12-02 08:33:43,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322155192] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:33:43,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:33:43,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:33:43,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461697382] [2024-12-02 08:33:43,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:33:43,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:33:43,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:33:43,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:33:43,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:33:43,474 INFO L87 Difference]: Start difference. First operand 46241 states and 62797 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 08:33:47,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:33:49,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:33:49,846 INFO L93 Difference]: Finished difference Result 95843 states and 130180 transitions. [2024-12-02 08:33:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:33:49,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 501 [2024-12-02 08:33:49,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:33:50,079 INFO L225 Difference]: With dead ends: 95843 [2024-12-02 08:33:50,079 INFO L226 Difference]: Without dead ends: 49623 [2024-12-02 08:33:50,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:33:50,174 INFO L435 NwaCegarLoop]: 4455 mSDtfsCounter, 1756 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 7091 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:33:50,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 7091 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 08:33:50,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49623 states. [2024-12-02 08:33:51,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49623 to 49617. [2024-12-02 08:33:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49617 states, 36727 states have (on average 1.2875541155008576) internal successors, (47288), 37214 states have internal predecessors, (47288), 10047 states have call successors, (10047), 2840 states have call predecessors, (10047), 2842 states have return successors, (10068), 9971 states have call predecessors, (10068), 10047 states have call successors, (10068) [2024-12-02 08:33:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49617 states to 49617 states and 67403 transitions. [2024-12-02 08:33:52,048 INFO L78 Accepts]: Start accepts. Automaton has 49617 states and 67403 transitions. Word has length 501 [2024-12-02 08:33:52,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:33:52,049 INFO L471 AbstractCegarLoop]: Abstraction has 49617 states and 67403 transitions. [2024-12-02 08:33:52,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 08:33:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 49617 states and 67403 transitions. [2024-12-02 08:33:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2024-12-02 08:33:52,066 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:33:52,066 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 13, 13, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:33:52,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 08:33:52,067 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:33:52,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:33:52,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1338835500, now seen corresponding path program 2 times [2024-12-02 08:33:52,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:33:52,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082824444] [2024-12-02 08:33:52,068 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:33:52,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:03,261 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 08:34:03,261 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:34:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked. [2024-12-02 08:34:04,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:04,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082824444] [2024-12-02 08:34:04,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082824444] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:04,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:04,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:34:04,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407896719] [2024-12-02 08:34:04,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:04,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:34:04,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:04,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:34:04,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:34:04,758 INFO L87 Difference]: Start difference. First operand 49617 states and 67403 transitions. Second operand has 5 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 08:34:06,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:34:06,539 INFO L93 Difference]: Finished difference Result 98455 states and 133946 transitions. [2024-12-02 08:34:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:34:06,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 525 [2024-12-02 08:34:06,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:34:06,648 INFO L225 Difference]: With dead ends: 98455 [2024-12-02 08:34:06,648 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:34:06,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:34:06,797 INFO L435 NwaCegarLoop]: 2665 mSDtfsCounter, 4 mSDsluCounter, 7989 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 10654 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:34:06,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 10654 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:34:06,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:34:06,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:34:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:34:06,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 525 [2024-12-02 08:34:06,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:34:06,899 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:34:06,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 08:34:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:34:06,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:34:06,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:34:06,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 08:34:06,911 INFO L422 BasicCegarLoop]: Path program histogram: [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] [2024-12-02 08:34:06,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:34:25,038 WARN L286 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 151 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:34:41,101 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:34:52,243 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:35:03,521 WARN L286 SmtUtils]: Spent 11.26s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:35:15,163 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 121 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:35:26,221 WARN L286 SmtUtils]: Spent 11.05s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:35:32,493 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 121 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:35:48,492 WARN L286 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:36:10,005 WARN L286 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 149 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:36:16,062 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 121 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:36:36,439 WARN L286 SmtUtils]: Spent 11.20s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:36:43,322 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 129 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:36:54,409 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:37:06,332 WARN L286 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:37:18,578 WARN L286 SmtUtils]: Spent 11.05s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:37:33,607 WARN L286 SmtUtils]: Spent 11.14s on a formula simplification. DAG size of input: 169 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:37:39,810 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 121 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)