./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/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_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/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-3com-typhoon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/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_09d6595c-7c5f-4ef1-a4db-17928c0a6482/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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:21:52,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:21:52,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 07:21:53,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:21:53,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:21:53,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:21:53,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:21:53,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:21:53,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:21:53,024 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:21:53,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:21:53,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:21:53,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:21:53,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:21:53,025 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:21:53,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:21:53,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:21:53,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:21:53,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:21:53,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:21:53,026 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:21:53,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:21:53,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:21:53,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:21:53,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:21:53,027 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_09d6595c-7c5f-4ef1-a4db-17928c0a6482/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 -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2024-12-02 07:21:53,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:21:53,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:21:53,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:21:53,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:21:53,257 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:21:53,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2024-12-02 07:21:55,902 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/data/77a106ee0/106efd8c8a1d41d5b2363b692e886530/FLAGbd65963f7 [2024-12-02 07:21:56,328 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:21:56,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2024-12-02 07:21:56,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/data/77a106ee0/106efd8c8a1d41d5b2363b692e886530/FLAGbd65963f7 [2024-12-02 07:21:56,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/data/77a106ee0/106efd8c8a1d41d5b2363b692e886530 [2024-12-02 07:21:56,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:21:56,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:21:56,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:21:56,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:21:56,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:21:56,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:21:56" (1/1) ... [2024-12-02 07:21:56,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fcfc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:56, skipping insertion in model container [2024-12-02 07:21:56,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:21:56" (1/1) ... [2024-12-02 07:21:56,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:21:58,550 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_09d6595c-7c5f-4ef1-a4db-17928c0a6482/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2024-12-02 07:21:58,554 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_09d6595c-7c5f-4ef1-a4db-17928c0a6482/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2024-12-02 07:21:58,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:21:58,617 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:21:58,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5426] [2024-12-02 07:21:58,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5433] [2024-12-02 07:21:58,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5440] [2024-12-02 07:21:58,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5497-5498] [2024-12-02 07:21:58,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5503-5505] [2024-12-02 07:21:58,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [5607] [2024-12-02 07:21:58,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5671-5672] [2024-12-02 07:21:58,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5705-5706] [2024-12-02 07:21:58,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5742-5743] [2024-12-02 07:21:58,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5779-5780] [2024-12-02 07:21:58,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6093-6094] [2024-12-02 07:21:58,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2024-12-02 07:21:58,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6731] [2024-12-02 07:21:58,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6816] [2024-12-02 07:21:58,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6935] [2024-12-02 07:21:58,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6980] [2024-12-02 07:21:58,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7061] [2024-12-02 07:21:58,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7159] [2024-12-02 07:21:58,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7309] [2024-12-02 07:21:58,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7344] [2024-12-02 07:21:58,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2024-12-02 07:21:58,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8105] [2024-12-02 07:21:58,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8132] [2024-12-02 07:21:58,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8170] [2024-12-02 07:21:58,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8319] [2024-12-02 07:21:58,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8681] [2024-12-02 07:21:58,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8756] [2024-12-02 07:21:58,951 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_09d6595c-7c5f-4ef1-a4db-17928c0a6482/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2024-12-02 07:21:58,952 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_09d6595c-7c5f-4ef1-a4db-17928c0a6482/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2024-12-02 07:21:58,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:21:59,159 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:21:59,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59 WrapperNode [2024-12-02 07:21:59,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:21:59,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:21:59,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:21:59,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:21:59,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:21:59,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:21:59,370 INFO L138 Inliner]: procedures = 455, calls = 2276, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5667 [2024-12-02 07:21:59,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:21:59,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:21:59,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:21:59,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:21:59,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:21:59,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:21:59,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,321 INFO L175 MemorySlicer]: Split 1009 memory accesses to 20 slices as follows [3, 2, 2, 30, 8, 5, 1, 8, 52, 2, 3, 11, 850, 2, 5, 3, 5, 8, 8, 1]. 84 percent of accesses are in the largest equivalence class. The 53 initializations are split as follows [0, 0, 2, 0, 8, 0, 0, 1, 0, 0, 1, 0, 16, 0, 5, 3, 0, 8, 8, 1]. The 559 writes are split as follows [0, 1, 0, 28, 0, 2, 0, 1, 42, 1, 0, 0, 483, 1, 0, 0, 0, 0, 0, 0]. [2024-12-02 07:22:00,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,430 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:22:00,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:22:00,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:22:00,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:22:00,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (1/1) ... [2024-12-02 07:22:00,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:22:00,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:22:00,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:22:00,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:22:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 07:22:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 07:22:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 07:22:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 07:22:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 07:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 07:22:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 07:22:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 07:22:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 07:22:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 07:22:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 07:22:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 07:22:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 07:22:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 07:22:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 07:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 07:22:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 07:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 07:22:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 07:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 07:22:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 07:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 07:22:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 07:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2024-12-02 07:22:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2024-12-02 07:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 07:22:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2024-12-02 07:22:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 07:22:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 07:22:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 07:22:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 07:22:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 07:22:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 07:22:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 07:22:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 07:22:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 07:22:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 07:22:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 07:22:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 07:22:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 07:22:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 07:22:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 07:22:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 07:22:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 07:22:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 07:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 07:22:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 07:22:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 07:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2024-12-02 07:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 07:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 07:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 07:22:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 07:22:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2024-12-02 07:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:22:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 07:22:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 07:22:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 07:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 07:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 07:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 07:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 07:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 07:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 07:22:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 07:22:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 07:22:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 07:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 07:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 07:22:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 07:22:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 07:22:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 07:22:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 07:22:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 07:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 07:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 07:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2024-12-02 07:22:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 07:22:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 07:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2024-12-02 07:22:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 07:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 07:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2024-12-02 07:22:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2024-12-02 07:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 07:22:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 07:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 07:22:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 07:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2024-12-02 07:22:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2024-12-02 07:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 07:22:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 07:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2024-12-02 07:22:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2024-12-02 07:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2024-12-02 07:22:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2024-12-02 07:22:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 07:22:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2024-12-02 07:22:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2024-12-02 07:22:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 07:22:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 07:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2024-12-02 07:22:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 07:22:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2024-12-02 07:22:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 07:22:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 07:22:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 07:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2024-12-02 07:22:00,613 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2024-12-02 07:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 07:22:00,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 07:22:01,524 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:22:01,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:22:02,154 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 07:22:18,833 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 07:22:19,653 INFO L? ?]: Removed 2923 outVars from TransFormulas that were not future-live. [2024-12-02 07:22:19,653 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:22:19,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:22:19,690 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 07:22:19,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:22:19 BoogieIcfgContainer [2024-12-02 07:22:19,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:22:19,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:22:19,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:22:19,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:22:19,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:21:56" (1/3) ... [2024-12-02 07:22:19,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7753970c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:22:19, skipping insertion in model container [2024-12-02 07:22:19,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:21:59" (2/3) ... [2024-12-02 07:22:19,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7753970c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:22:19, skipping insertion in model container [2024-12-02 07:22:19,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:22:19" (3/3) ... [2024-12-02 07:22:19,698 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2024-12-02 07:22:19,712 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:22:19,715 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i that has 137 procedures, 2217 locations, 1 initial locations, 61 loop locations, and 1 error locations. [2024-12-02 07:22:19,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:22:19,815 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;@3bd65eb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:22:19,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:22:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 2048 states, 1432 states have (on average 1.3051675977653632) internal successors, (1869), 1454 states have internal predecessors, (1869), 517 states have call successors, (517), 99 states have call predecessors, (517), 98 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) [2024-12-02 07:22:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-12-02 07:22:19,854 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:19,855 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:19,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:22:19,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:19,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1699974723, now seen corresponding path program 1 times [2024-12-02 07:22:19,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:19,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790681807] [2024-12-02 07:22:19,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:19,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:22:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 07:22:30,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:22:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790681807] [2024-12-02 07:22:30,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790681807] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:30,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:30,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:22:30,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011128809] [2024-12-02 07:22:30,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:30,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:22:30,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:22:30,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:22:30,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:22:30,306 INFO L87 Difference]: Start difference. First operand has 2048 states, 1432 states have (on average 1.3051675977653632) internal successors, (1869), 1454 states have internal predecessors, (1869), 517 states have call successors, (517), 99 states have call predecessors, (517), 98 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 07:22:34,396 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 07:22:35,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:35,552 INFO L93 Difference]: Finished difference Result 5368 states and 7660 transitions. [2024-12-02 07:22:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:22:35,554 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 202 [2024-12-02 07:22:35,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:35,588 INFO L225 Difference]: With dead ends: 5368 [2024-12-02 07:22:35,588 INFO L226 Difference]: Without dead ends: 3275 [2024-12-02 07:22:35,605 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 07:22:35,607 INFO L435 NwaCegarLoop]: 2930 mSDtfsCounter, 1784 mSDsluCounter, 2791 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 5721 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:35,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 5721 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 07:22:35,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2024-12-02 07:22:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 3272. [2024-12-02 07:22:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 2344 states have (on average 1.2819965870307166) internal successors, (3005), 2377 states have internal predecessors, (3005), 763 states have call successors, (763), 164 states have call predecessors, (763), 164 states have return successors, (763), 754 states have call predecessors, (763), 763 states have call successors, (763) [2024-12-02 07:22:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 4531 transitions. [2024-12-02 07:22:35,848 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 4531 transitions. Word has length 202 [2024-12-02 07:22:35,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:35,848 INFO L471 AbstractCegarLoop]: Abstraction has 3272 states and 4531 transitions. [2024-12-02 07:22:35,849 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 07:22:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 4531 transitions. [2024-12-02 07:22:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 07:22:35,861 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:35,861 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:35,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:22:35,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:22:35,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:35,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1033924448, now seen corresponding path program 1 times [2024-12-02 07:22:35,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:35,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737008972] [2024-12-02 07:22:35,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:35,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:22:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-12-02 07:22:45,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:22:45,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737008972] [2024-12-02 07:22:45,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737008972] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:45,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:45,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:22:45,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235239416] [2024-12-02 07:22:45,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:45,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:22:45,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:22:45,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:22:45,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:22:45,476 INFO L87 Difference]: Start difference. First operand 3272 states and 4531 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 07:22:49,558 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 07:22:51,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:51,273 INFO L93 Difference]: Finished difference Result 8296 states and 11480 transitions. [2024-12-02 07:22:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:22:51,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 217 [2024-12-02 07:22:51,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:51,324 INFO L225 Difference]: With dead ends: 8296 [2024-12-02 07:22:51,324 INFO L226 Difference]: Without dead ends: 5045 [2024-12-02 07:22:51,344 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 07:22:51,345 INFO L435 NwaCegarLoop]: 2810 mSDtfsCounter, 2287 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 5512 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:51,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 5512 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 07:22:51,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5045 states. [2024-12-02 07:22:51,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5045 to 5041. [2024-12-02 07:22:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5041 states, 3566 states have (on average 1.274817722938867) internal successors, (4546), 3621 states have internal predecessors, (4546), 1209 states have call successors, (1209), 266 states have call predecessors, (1209), 265 states have return successors, (1210), 1190 states have call predecessors, (1210), 1209 states have call successors, (1210) [2024-12-02 07:22:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 6965 transitions. [2024-12-02 07:22:51,621 INFO L78 Accepts]: Start accepts. Automaton has 5041 states and 6965 transitions. Word has length 217 [2024-12-02 07:22:51,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:51,622 INFO L471 AbstractCegarLoop]: Abstraction has 5041 states and 6965 transitions. [2024-12-02 07:22:51,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 07:22:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 6965 transitions. [2024-12-02 07:22:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 07:22:51,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:51,659 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:51,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:22:51,659 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:22:51,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:51,662 INFO L85 PathProgramCache]: Analyzing trace with hash -737492929, now seen corresponding path program 1 times [2024-12-02 07:22:51,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:51,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303231295] [2024-12-02 07:22:51,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:23:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 07:23:02,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:23:02,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303231295] [2024-12-02 07:23:02,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303231295] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:02,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:23:02,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:23:02,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449558668] [2024-12-02 07:23:02,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:02,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:23:02,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:23:02,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:23:02,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:23:02,762 INFO L87 Difference]: Start difference. First operand 5041 states and 6965 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 07:23:06,842 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 07:23:07,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:07,940 INFO L93 Difference]: Finished difference Result 11489 states and 15859 transitions. [2024-12-02 07:23:07,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:23:07,941 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 262 [2024-12-02 07:23:07,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:23:07,970 INFO L225 Difference]: With dead ends: 11489 [2024-12-02 07:23:07,971 INFO L226 Difference]: Without dead ends: 6469 [2024-12-02 07:23:07,987 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 07:23:07,988 INFO L435 NwaCegarLoop]: 4509 mSDtfsCounter, 1729 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 7239 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:23:07,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 7239 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 07:23:07,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6469 states. [2024-12-02 07:23:08,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6469 to 6465. [2024-12-02 07:23:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6465 states, 4613 states have (on average 1.2740082375894213) internal successors, (5877), 4681 states have internal predecessors, (5877), 1506 states have call successors, (1506), 346 states have call predecessors, (1506), 345 states have return successors, (1507), 1483 states have call predecessors, (1507), 1506 states have call successors, (1507) [2024-12-02 07:23:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6465 states to 6465 states and 8890 transitions. [2024-12-02 07:23:08,171 INFO L78 Accepts]: Start accepts. Automaton has 6465 states and 8890 transitions. Word has length 262 [2024-12-02 07:23:08,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:23:08,171 INFO L471 AbstractCegarLoop]: Abstraction has 6465 states and 8890 transitions. [2024-12-02 07:23:08,172 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 07:23:08,172 INFO L276 IsEmpty]: Start isEmpty. Operand 6465 states and 8890 transitions. [2024-12-02 07:23:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-12-02 07:23:08,177 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:23:08,178 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:08,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:23:08,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:23:08,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:23:08,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1048780441, now seen corresponding path program 1 times [2024-12-02 07:23:08,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:23:08,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965194183] [2024-12-02 07:23:08,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:23:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-12-02 07:23:17,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:23:17,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965194183] [2024-12-02 07:23:17,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965194183] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:17,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:23:17,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:23:17,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147392125] [2024-12-02 07:23:17,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:17,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:23:17,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:23:17,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:23:17,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:23:17,731 INFO L87 Difference]: Start difference. First operand 6465 states and 8890 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:23:21,809 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 07:23:23,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:23,032 INFO L93 Difference]: Finished difference Result 14318 states and 19677 transitions. [2024-12-02 07:23:23,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:23:23,032 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 336 [2024-12-02 07:23:23,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:23:23,089 INFO L225 Difference]: With dead ends: 14318 [2024-12-02 07:23:23,089 INFO L226 Difference]: Without dead ends: 7874 [2024-12-02 07:23:23,109 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 07:23:23,109 INFO L435 NwaCegarLoop]: 4471 mSDtfsCounter, 1723 mSDsluCounter, 2737 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 7208 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 07:23:23,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 7208 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:23:23,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7874 states. [2024-12-02 07:23:23,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7874 to 7870. [2024-12-02 07:23:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7870 states, 5648 states have (on average 1.2740793201133145) internal successors, (7196), 5729 states have internal predecessors, (7196), 1797 states have call successors, (1797), 425 states have call predecessors, (1797), 424 states have return successors, (1798), 1770 states have call predecessors, (1798), 1797 states have call successors, (1798) [2024-12-02 07:23:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7870 states to 7870 states and 10791 transitions. [2024-12-02 07:23:23,350 INFO L78 Accepts]: Start accepts. Automaton has 7870 states and 10791 transitions. Word has length 336 [2024-12-02 07:23:23,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:23:23,351 INFO L471 AbstractCegarLoop]: Abstraction has 7870 states and 10791 transitions. [2024-12-02 07:23:23,351 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:23:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 7870 states and 10791 transitions. [2024-12-02 07:23:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-12-02 07:23:23,357 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:23:23,357 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:23,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:23:23,357 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:23:23,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:23:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash -598582501, now seen corresponding path program 1 times [2024-12-02 07:23:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:23:23,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416356206] [2024-12-02 07:23:23,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:23:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-12-02 07:23:32,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:23:32,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416356206] [2024-12-02 07:23:32,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416356206] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:32,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:23:32,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:23:32,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030325713] [2024-12-02 07:23:32,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:32,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:23:32,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:23:32,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:23:32,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:23:32,514 INFO L87 Difference]: Start difference. First operand 7870 states and 10791 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:23:36,577 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 07:23:37,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:37,960 INFO L93 Difference]: Finished difference Result 18158 states and 24891 transitions. [2024-12-02 07:23:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:23:37,961 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 336 [2024-12-02 07:23:37,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:23:38,023 INFO L225 Difference]: With dead ends: 18158 [2024-12-02 07:23:38,023 INFO L226 Difference]: Without dead ends: 10309 [2024-12-02 07:23:38,048 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 07:23:38,049 INFO L435 NwaCegarLoop]: 4613 mSDtfsCounter, 2317 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 6994 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 07:23:38,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 6994 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 07:23:38,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10309 states. [2024-12-02 07:23:38,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10309 to 10305. [2024-12-02 07:23:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10305 states, 7379 states have (on average 1.2726656728554004) internal successors, (9391), 7480 states have internal predecessors, (9391), 2353 states have call successors, (2353), 573 states have call predecessors, (2353), 572 states have return successors, (2354), 2319 states have call predecessors, (2354), 2353 states have call successors, (2354) [2024-12-02 07:23:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10305 states to 10305 states and 14098 transitions. [2024-12-02 07:23:38,495 INFO L78 Accepts]: Start accepts. Automaton has 10305 states and 14098 transitions. Word has length 336 [2024-12-02 07:23:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:23:38,496 INFO L471 AbstractCegarLoop]: Abstraction has 10305 states and 14098 transitions. [2024-12-02 07:23:38,497 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:23:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 10305 states and 14098 transitions. [2024-12-02 07:23:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 07:23:38,511 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:23:38,512 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 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, 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] [2024-12-02 07:23:38,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:23:38,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:23:38,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:23:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash 2132951544, now seen corresponding path program 1 times [2024-12-02 07:23:38,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:23:38,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347257878] [2024-12-02 07:23:38,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:23:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-12-02 07:23:47,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:23:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347257878] [2024-12-02 07:23:47,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347257878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:47,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:23:47,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:23:47,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337247456] [2024-12-02 07:23:47,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:47,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:23:47,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:23:47,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:23:47,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:23:47,868 INFO L87 Difference]: Start difference. First operand 10305 states and 14098 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 07:23:51,946 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 07:23:53,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:53,204 INFO L93 Difference]: Finished difference Result 21994 states and 30093 transitions. [2024-12-02 07:23:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:23:53,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 421 [2024-12-02 07:23:53,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:23:53,250 INFO L225 Difference]: With dead ends: 21994 [2024-12-02 07:23:53,250 INFO L226 Difference]: Without dead ends: 11710 [2024-12-02 07:23:53,276 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 07:23:53,276 INFO L435 NwaCegarLoop]: 4044 mSDtfsCounter, 1723 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 6780 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 07:23:53,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 6780 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:23:53,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11710 states. [2024-12-02 07:23:53,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11710 to 11706. [2024-12-02 07:23:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11706 states, 8412 states have (on average 1.272943414170233) internal successors, (10708), 8526 states have internal predecessors, (10708), 2644 states have call successors, (2644), 650 states have call predecessors, (2644), 649 states have return successors, (2645), 2606 states have call predecessors, (2645), 2644 states have call successors, (2645) [2024-12-02 07:23:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11706 states to 11706 states and 15997 transitions. [2024-12-02 07:23:53,821 INFO L78 Accepts]: Start accepts. Automaton has 11706 states and 15997 transitions. Word has length 421 [2024-12-02 07:23:53,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:23:53,822 INFO L471 AbstractCegarLoop]: Abstraction has 11706 states and 15997 transitions. [2024-12-02 07:23:53,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 07:23:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 11706 states and 15997 transitions. [2024-12-02 07:23:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 07:23:53,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:23:53,832 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 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, 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] [2024-12-02 07:23:53,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:23:53,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:23:53,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:23:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash 485588602, now seen corresponding path program 1 times [2024-12-02 07:23:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:23:53,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212653938] [2024-12-02 07:23:53,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:53,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-12-02 07:24:03,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:03,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212653938] [2024-12-02 07:24:03,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212653938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:03,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:03,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:24:03,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261673299] [2024-12-02 07:24:03,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:03,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:24:03,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:03,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:24:03,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:24:03,152 INFO L87 Difference]: Start difference. First operand 11706 states and 15997 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 07:24:07,206 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 07:24:08,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:08,501 INFO L93 Difference]: Finished difference Result 24820 states and 33921 transitions. [2024-12-02 07:24:08,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:24:08,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 421 [2024-12-02 07:24:08,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:08,553 INFO L225 Difference]: With dead ends: 24820 [2024-12-02 07:24:08,553 INFO L226 Difference]: Without dead ends: 13135 [2024-12-02 07:24:08,579 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 07:24:08,580 INFO L435 NwaCegarLoop]: 4514 mSDtfsCounter, 1736 mSDsluCounter, 2737 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1736 SdHoareTripleChecker+Valid, 7251 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:08,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1736 Valid, 7251 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:24:08,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13135 states. [2024-12-02 07:24:08,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13135 to 13131. [2024-12-02 07:24:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13131 states, 9465 states have (on average 1.2730058108821976) internal successors, (12049), 9592 states have internal predecessors, (12049), 2937 states have call successors, (2937), 729 states have call predecessors, (2937), 728 states have return successors, (2938), 2895 states have call predecessors, (2938), 2937 states have call successors, (2938) [2024-12-02 07:24:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13131 states to 13131 states and 17924 transitions. [2024-12-02 07:24:08,941 INFO L78 Accepts]: Start accepts. Automaton has 13131 states and 17924 transitions. Word has length 421 [2024-12-02 07:24:08,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:08,942 INFO L471 AbstractCegarLoop]: Abstraction has 13131 states and 17924 transitions. [2024-12-02 07:24:08,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 07:24:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 13131 states and 17924 transitions. [2024-12-02 07:24:08,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-12-02 07:24:08,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:08,948 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:08,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:24:08,948 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:08,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:08,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1574484417, now seen corresponding path program 1 times [2024-12-02 07:24:08,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:08,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491889003] [2024-12-02 07:24:08,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:08,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2024-12-02 07:24:17,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:17,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491889003] [2024-12-02 07:24:17,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491889003] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:17,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:17,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:17,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517530767] [2024-12-02 07:24:17,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:17,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:17,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:17,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:17,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:17,591 INFO L87 Difference]: Start difference. First operand 13131 states and 17924 transitions. Second operand has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:24:21,641 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 07:24:23,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:23,220 INFO L93 Difference]: Finished difference Result 28731 states and 39212 transitions. [2024-12-02 07:24:23,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:24:23,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 459 [2024-12-02 07:24:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:23,307 INFO L225 Difference]: With dead ends: 28731 [2024-12-02 07:24:23,307 INFO L226 Difference]: Without dead ends: 15621 [2024-12-02 07:24:23,352 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 07:24:23,353 INFO L435 NwaCegarLoop]: 4321 mSDtfsCounter, 1984 mSDsluCounter, 11354 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 15675 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 07:24:23,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 15675 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 07:24:23,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15621 states. [2024-12-02 07:24:23,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15621 to 15613. [2024-12-02 07:24:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15613 states, 11208 states have (on average 1.2716809421841542) internal successors, (14253), 11358 states have internal predecessors, (14253), 3523 states have call successors, (3523), 881 states have call predecessors, (3523), 881 states have return successors, (3526), 3475 states have call predecessors, (3526), 3523 states have call successors, (3526) [2024-12-02 07:24:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15613 states to 15613 states and 21302 transitions. [2024-12-02 07:24:23,910 INFO L78 Accepts]: Start accepts. Automaton has 15613 states and 21302 transitions. Word has length 459 [2024-12-02 07:24:23,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:23,911 INFO L471 AbstractCegarLoop]: Abstraction has 15613 states and 21302 transitions. [2024-12-02 07:24:23,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:24:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 15613 states and 21302 transitions. [2024-12-02 07:24:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2024-12-02 07:24:23,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:23,919 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:23,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:24:23,919 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:23,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:23,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1598849178, now seen corresponding path program 1 times [2024-12-02 07:24:23,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:23,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116210419] [2024-12-02 07:24:23,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2024-12-02 07:24:32,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:32,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116210419] [2024-12-02 07:24:32,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116210419] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:32,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:32,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:32,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361508883] [2024-12-02 07:24:32,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:32,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:32,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:32,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:32,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:32,955 INFO L87 Difference]: Start difference. First operand 15613 states and 21302 transitions. Second operand has 5 states, 5 states have (on average 37.4) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:24:37,009 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 07:24:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:38,812 INFO L93 Difference]: Finished difference Result 33612 states and 45880 transitions. [2024-12-02 07:24:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:24:38,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 463 [2024-12-02 07:24:38,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:38,877 INFO L225 Difference]: With dead ends: 33612 [2024-12-02 07:24:38,877 INFO L226 Difference]: Without dead ends: 18020 [2024-12-02 07:24:38,910 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 07:24:38,910 INFO L435 NwaCegarLoop]: 4618 mSDtfsCounter, 1993 mSDsluCounter, 11882 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 16500 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 07:24:38,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1993 Valid, 16500 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 07:24:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18020 states. [2024-12-02 07:24:39,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18020 to 18012. [2024-12-02 07:24:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18012 states, 12915 states have (on average 1.2719318621757647) internal successors, (16427), 13084 states have internal predecessors, (16427), 4075 states have call successors, (4075), 1019 states have call predecessors, (4075), 1021 states have return successors, (4080), 4024 states have call predecessors, (4080), 4075 states have call successors, (4080) [2024-12-02 07:24:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18012 states to 18012 states and 24582 transitions. [2024-12-02 07:24:39,302 INFO L78 Accepts]: Start accepts. Automaton has 18012 states and 24582 transitions. Word has length 463 [2024-12-02 07:24:39,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:39,302 INFO L471 AbstractCegarLoop]: Abstraction has 18012 states and 24582 transitions. [2024-12-02 07:24:39,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:24:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 18012 states and 24582 transitions. [2024-12-02 07:24:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-12-02 07:24:39,308 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:39,308 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:39,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:24:39,309 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:39,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:39,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1228372495, now seen corresponding path program 1 times [2024-12-02 07:24:39,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:39,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971621197] [2024-12-02 07:24:39,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:39,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2024-12-02 07:24:48,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:48,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971621197] [2024-12-02 07:24:48,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971621197] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:48,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:48,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:48,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911040444] [2024-12-02 07:24:48,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:48,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:48,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:48,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:48,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:48,194 INFO L87 Difference]: Start difference. First operand 18012 states and 24582 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 4 states have internal predecessors, (188), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:24:52,244 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 07:24:54,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:54,077 INFO L93 Difference]: Finished difference Result 37408 states and 51059 transitions. [2024-12-02 07:24:54,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:24:54,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 4 states have internal predecessors, (188), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 464 [2024-12-02 07:24:54,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:54,157 INFO L225 Difference]: With dead ends: 37408 [2024-12-02 07:24:54,157 INFO L226 Difference]: Without dead ends: 19417 [2024-12-02 07:24:54,203 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 07:24:54,204 INFO L435 NwaCegarLoop]: 4518 mSDtfsCounter, 1716 mSDsluCounter, 11767 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 16285 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 07:24:54,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 16285 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 07:24:54,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19417 states. [2024-12-02 07:24:54,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19417 to 19409. [2024-12-02 07:24:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19409 states, 13944 states have (on average 1.272231784279977) internal successors, (17740), 14126 states have internal predecessors, (17740), 4366 states have call successors, (4366), 1096 states have call predecessors, (4366), 1098 states have return successors, (4371), 4311 states have call predecessors, (4371), 4366 states have call successors, (4371) [2024-12-02 07:24:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19409 states to 19409 states and 26477 transitions. [2024-12-02 07:24:54,637 INFO L78 Accepts]: Start accepts. Automaton has 19409 states and 26477 transitions. Word has length 464 [2024-12-02 07:24:54,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:54,638 INFO L471 AbstractCegarLoop]: Abstraction has 19409 states and 26477 transitions. [2024-12-02 07:24:54,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 4 states have internal predecessors, (188), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:24:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 19409 states and 26477 transitions. [2024-12-02 07:24:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-12-02 07:24:54,644 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:54,644 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:54,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:24:54,644 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:54,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:54,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1943668325, now seen corresponding path program 1 times [2024-12-02 07:24:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:54,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236489347] [2024-12-02 07:24:54,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-12-02 07:25:02,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:02,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236489347] [2024-12-02 07:25:02,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236489347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:02,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:25:02,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:25:02,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536522537] [2024-12-02 07:25:02,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:02,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:25:02,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:02,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:25:02,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:25:02,799 INFO L87 Difference]: Start difference. First operand 19409 states and 26477 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:25:06,863 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 07:25:08,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:08,244 INFO L93 Difference]: Finished difference Result 40830 states and 55685 transitions. [2024-12-02 07:25:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:25:08,244 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 476 [2024-12-02 07:25:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:08,329 INFO L225 Difference]: With dead ends: 40830 [2024-12-02 07:25:08,329 INFO L226 Difference]: Without dead ends: 21442 [2024-12-02 07:25:08,385 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 07:25:08,385 INFO L435 NwaCegarLoop]: 4730 mSDtfsCounter, 1971 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 7466 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 07:25:08,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 7466 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:25:08,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21442 states. [2024-12-02 07:25:08,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21442 to 21438. [2024-12-02 07:25:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21438 states, 15381 states have (on average 1.2717638645081595) internal successors, (19561), 15586 states have internal predecessors, (19561), 4832 states have call successors, (4832), 1222 states have call predecessors, (4832), 1224 states have return successors, (4837), 4770 states have call predecessors, (4837), 4832 states have call successors, (4837) [2024-12-02 07:25:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21438 states to 21438 states and 29230 transitions. [2024-12-02 07:25:08,938 INFO L78 Accepts]: Start accepts. Automaton has 21438 states and 29230 transitions. Word has length 476 [2024-12-02 07:25:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:08,939 INFO L471 AbstractCegarLoop]: Abstraction has 21438 states and 29230 transitions. [2024-12-02 07:25:08,940 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 07:25:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 21438 states and 29230 transitions. [2024-12-02 07:25:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2024-12-02 07:25:08,950 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:08,950 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:08,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:25:08,951 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:08,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash -180495685, now seen corresponding path program 1 times [2024-12-02 07:25:08,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:25:08,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786912423] [2024-12-02 07:25:08,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2024-12-02 07:25:17,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:17,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786912423] [2024-12-02 07:25:17,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786912423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:17,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:25:17,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:25:17,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227435693] [2024-12-02 07:25:17,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:17,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:25:17,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:17,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:25:17,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:25:17,722 INFO L87 Difference]: Start difference. First operand 21438 states and 29230 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 4 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-12-02 07:25:18,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:18,998 INFO L93 Difference]: Finished difference Result 43175 states and 59141 transitions. [2024-12-02 07:25:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:25:18,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 4 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 471 [2024-12-02 07:25:19,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:19,085 INFO L225 Difference]: With dead ends: 43175 [2024-12-02 07:25:19,085 INFO L226 Difference]: Without dead ends: 21758 [2024-12-02 07:25:19,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:25:19,131 INFO L435 NwaCegarLoop]: 2807 mSDtfsCounter, 21 mSDsluCounter, 5531 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8338 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:19,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8338 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:25:19,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21758 states. [2024-12-02 07:25:19,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21758 to 21758. [2024-12-02 07:25:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21758 states, 15525 states have (on average 1.2702737520128824) internal successors, (19721), 15730 states have internal predecessors, (19721), 4992 states have call successors, (4992), 1238 states have call predecessors, (4992), 1240 states have return successors, (5011), 4930 states have call predecessors, (5011), 4992 states have call successors, (5011) [2024-12-02 07:25:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21758 states to 21758 states and 29724 transitions. [2024-12-02 07:25:19,600 INFO L78 Accepts]: Start accepts. Automaton has 21758 states and 29724 transitions. Word has length 471 [2024-12-02 07:25:19,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:19,601 INFO L471 AbstractCegarLoop]: Abstraction has 21758 states and 29724 transitions. [2024-12-02 07:25:19,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 4 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-12-02 07:25:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 21758 states and 29724 transitions. [2024-12-02 07:25:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-12-02 07:25:19,607 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:19,608 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:19,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:25:19,608 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:19,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2068535621, now seen corresponding path program 1 times [2024-12-02 07:25:19,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:25:19,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266798689] [2024-12-02 07:25:19,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:19,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2024-12-02 07:25:28,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:28,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266798689] [2024-12-02 07:25:28,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266798689] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:28,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:25:28,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:25:28,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509379815] [2024-12-02 07:25:28,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:28,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:25:28,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:28,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:25:28,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:25:28,789 INFO L87 Difference]: Start difference. First operand 21758 states and 29724 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 07:25:29,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:29,512 INFO L93 Difference]: Finished difference Result 44295 states and 60898 transitions. [2024-12-02 07:25:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:25:29,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 472 [2024-12-02 07:25:29,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:29,608 INFO L225 Difference]: With dead ends: 44295 [2024-12-02 07:25:29,608 INFO L226 Difference]: Without dead ends: 22516 [2024-12-02 07:25:29,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:25:29,665 INFO L435 NwaCegarLoop]: 2847 mSDtfsCounter, 35 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 5673 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:29,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 5673 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:25:29,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22516 states. [2024-12-02 07:25:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22516 to 22016. [2024-12-02 07:25:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22016 states, 15633 states have (on average 1.2700697243011578) internal successors, (19855), 15847 states have internal predecessors, (19855), 5133 states have call successors, (5133), 1238 states have call predecessors, (5133), 1249 states have return successors, (5165), 5071 states have call predecessors, (5165), 5133 states have call successors, (5165) [2024-12-02 07:25:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22016 states to 22016 states and 30153 transitions. [2024-12-02 07:25:30,173 INFO L78 Accepts]: Start accepts. Automaton has 22016 states and 30153 transitions. Word has length 472 [2024-12-02 07:25:30,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:30,173 INFO L471 AbstractCegarLoop]: Abstraction has 22016 states and 30153 transitions. [2024-12-02 07:25:30,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 07:25:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22016 states and 30153 transitions. [2024-12-02 07:25:30,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-12-02 07:25:30,180 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:30,181 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:30,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:25:30,181 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:30,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:30,182 INFO L85 PathProgramCache]: Analyzing trace with hash 127953607, now seen corresponding path program 1 times [2024-12-02 07:25:30,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:25:30,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363973682] [2024-12-02 07:25:30,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:30,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2024-12-02 07:25:38,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:38,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363973682] [2024-12-02 07:25:38,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363973682] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:38,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:25:38,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:25:38,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806943039] [2024-12-02 07:25:38,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:38,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:25:38,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:38,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:25:38,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:25:38,993 INFO L87 Difference]: Start difference. First operand 22016 states and 30153 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 07:25:40,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:40,140 INFO L93 Difference]: Finished difference Result 44239 states and 60723 transitions. [2024-12-02 07:25:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:25:40,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 472 [2024-12-02 07:25:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:40,218 INFO L225 Difference]: With dead ends: 44239 [2024-12-02 07:25:40,218 INFO L226 Difference]: Without dead ends: 22064 [2024-12-02 07:25:40,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:25:40,269 INFO L435 NwaCegarLoop]: 2780 mSDtfsCounter, 45 mSDsluCounter, 5503 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 8283 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:40,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 8283 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:25:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22064 states. [2024-12-02 07:25:40,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22064 to 22022. [2024-12-02 07:25:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22022 states, 15653 states have (on average 1.270107966523989) internal successors, (19881), 15855 states have internal predecessors, (19881), 5123 states have call successors, (5123), 1234 states have call predecessors, (5123), 1245 states have return successors, (5157), 5067 states have call predecessors, (5157), 5123 states have call successors, (5157) [2024-12-02 07:25:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22022 states to 22022 states and 30161 transitions. [2024-12-02 07:25:40,786 INFO L78 Accepts]: Start accepts. Automaton has 22022 states and 30161 transitions. Word has length 472 [2024-12-02 07:25:40,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:40,786 INFO L471 AbstractCegarLoop]: Abstraction has 22022 states and 30161 transitions. [2024-12-02 07:25:40,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 07:25:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 22022 states and 30161 transitions. [2024-12-02 07:25:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-12-02 07:25:40,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:40,794 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:40,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:25:40,794 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:40,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:40,794 INFO L85 PathProgramCache]: Analyzing trace with hash 888948611, now seen corresponding path program 1 times [2024-12-02 07:25:40,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:25:40,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189953344] [2024-12-02 07:25:40,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:25:50,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:50,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189953344] [2024-12-02 07:25:50,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189953344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:50,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:25:50,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:25:50,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800313969] [2024-12-02 07:25:50,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:50,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:25:50,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:50,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:25:50,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:25:50,496 INFO L87 Difference]: Start difference. First operand 22022 states and 30161 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:25:54,544 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 07:26:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:26:09,089 INFO L93 Difference]: Finished difference Result 44260 states and 60859 transitions. [2024-12-02 07:26:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:26:09,090 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 478 [2024-12-02 07:26:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:26:09,184 INFO L225 Difference]: With dead ends: 44260 [2024-12-02 07:26:09,184 INFO L226 Difference]: Without dead ends: 22160 [2024-12-02 07:26:09,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:26:09,243 INFO L435 NwaCegarLoop]: 2789 mSDtfsCounter, 4392 mSDsluCounter, 7335 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 988 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4399 SdHoareTripleChecker+Valid, 10124 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 988 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:26:09,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4399 Valid, 10124 Invalid, 2109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [988 Valid, 1120 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2024-12-02 07:26:09,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22160 states. [2024-12-02 07:26:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22160 to 22098. [2024-12-02 07:26:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22098 states, 15721 states have (on average 1.2681127154761147) internal successors, (19936), 15902 states have internal predecessors, (19936), 5131 states have call successors, (5131), 1243 states have call predecessors, (5131), 1245 states have return successors, (5165), 5077 states have call predecessors, (5165), 5131 states have call successors, (5165) [2024-12-02 07:26:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22098 states to 22098 states and 30232 transitions. [2024-12-02 07:26:09,842 INFO L78 Accepts]: Start accepts. Automaton has 22098 states and 30232 transitions. Word has length 478 [2024-12-02 07:26:09,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:26:09,842 INFO L471 AbstractCegarLoop]: Abstraction has 22098 states and 30232 transitions. [2024-12-02 07:26:09,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:26:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 22098 states and 30232 transitions. [2024-12-02 07:26:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-12-02 07:26:09,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:26:09,850 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:26:09,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 07:26:09,850 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:26:09,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:26:09,850 INFO L85 PathProgramCache]: Analyzing trace with hash -935891771, now seen corresponding path program 1 times [2024-12-02 07:26:09,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:26:09,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737759066] [2024-12-02 07:26:09,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:09,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:26:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:26:18,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:26:18,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737759066] [2024-12-02 07:26:18,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737759066] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:26:18,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:26:18,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:26:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540818883] [2024-12-02 07:26:18,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:26:18,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:26:18,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:26:18,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:26:18,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:26:18,748 INFO L87 Difference]: Start difference. First operand 22098 states and 30232 transitions. Second operand has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:26:22,797 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 07:26:37,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:26:37,031 INFO L93 Difference]: Finished difference Result 44199 states and 60583 transitions. [2024-12-02 07:26:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:26:37,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 479 [2024-12-02 07:26:37,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:26:37,124 INFO L225 Difference]: With dead ends: 44199 [2024-12-02 07:26:37,124 INFO L226 Difference]: Without dead ends: 22122 [2024-12-02 07:26:37,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:26:37,181 INFO L435 NwaCegarLoop]: 2786 mSDtfsCounter, 2685 mSDsluCounter, 7328 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2693 SdHoareTripleChecker+Valid, 10114 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:26:37,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2693 Valid, 10114 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1111 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2024-12-02 07:26:37,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22122 states. [2024-12-02 07:26:37,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22122 to 22098. [2024-12-02 07:26:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22098 states, 15721 states have (on average 1.2671585776986196) internal successors, (19921), 15902 states have internal predecessors, (19921), 5131 states have call successors, (5131), 1243 states have call predecessors, (5131), 1245 states have return successors, (5165), 5077 states have call predecessors, (5165), 5131 states have call successors, (5165) [2024-12-02 07:26:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22098 states to 22098 states and 30217 transitions. [2024-12-02 07:26:37,798 INFO L78 Accepts]: Start accepts. Automaton has 22098 states and 30217 transitions. Word has length 479 [2024-12-02 07:26:37,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:26:37,799 INFO L471 AbstractCegarLoop]: Abstraction has 22098 states and 30217 transitions. [2024-12-02 07:26:37,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:26:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 22098 states and 30217 transitions. [2024-12-02 07:26:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-12-02 07:26:37,806 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:26:37,806 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:26:37,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 07:26:37,806 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:26:37,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:26:37,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1556852161, now seen corresponding path program 1 times [2024-12-02 07:26:37,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:26:37,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454113889] [2024-12-02 07:26:37,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:37,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:26:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:26:46,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:26:46,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454113889] [2024-12-02 07:26:46,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454113889] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:26:46,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:26:46,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:26:46,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361932868] [2024-12-02 07:26:46,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:26:46,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:26:46,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:26:46,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:26:46,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:26:46,835 INFO L87 Difference]: Start difference. First operand 22098 states and 30217 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:26:50,891 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 07:27:05,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:27:05,234 INFO L93 Difference]: Finished difference Result 44199 states and 60553 transitions. [2024-12-02 07:27:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:27:05,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 480 [2024-12-02 07:27:05,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:27:05,337 INFO L225 Difference]: With dead ends: 44199 [2024-12-02 07:27:05,337 INFO L226 Difference]: Without dead ends: 22122 [2024-12-02 07:27:05,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:27:05,398 INFO L435 NwaCegarLoop]: 2786 mSDtfsCounter, 2682 mSDsluCounter, 7327 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 10113 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:27:05,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2689 Valid, 10113 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1117 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2024-12-02 07:27:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22122 states. [2024-12-02 07:27:05,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22122 to 22098. [2024-12-02 07:27:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22098 states, 15721 states have (on average 1.2662044399211245) internal successors, (19906), 15902 states have internal predecessors, (19906), 5131 states have call successors, (5131), 1243 states have call predecessors, (5131), 1245 states have return successors, (5165), 5077 states have call predecessors, (5165), 5131 states have call successors, (5165) [2024-12-02 07:27:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22098 states to 22098 states and 30202 transitions. [2024-12-02 07:27:06,116 INFO L78 Accepts]: Start accepts. Automaton has 22098 states and 30202 transitions. Word has length 480 [2024-12-02 07:27:06,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:27:06,116 INFO L471 AbstractCegarLoop]: Abstraction has 22098 states and 30202 transitions. [2024-12-02 07:27:06,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:27:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22098 states and 30202 transitions. [2024-12-02 07:27:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-12-02 07:27:06,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:27:06,124 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:06,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 07:27:06,124 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:27:06,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:27:06,124 INFO L85 PathProgramCache]: Analyzing trace with hash 782728833, now seen corresponding path program 1 times [2024-12-02 07:27:06,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:27:06,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439230850] [2024-12-02 07:27:06,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:27:06,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:27:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:27:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:27:16,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:27:16,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439230850] [2024-12-02 07:27:16,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439230850] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:27:16,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:27:16,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:27:16,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163628515] [2024-12-02 07:27:16,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:27:16,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:27:16,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:27:16,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:27:16,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:27:16,374 INFO L87 Difference]: Start difference. First operand 22098 states and 30202 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:27:20,426 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 07:27:36,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:27:36,320 INFO L93 Difference]: Finished difference Result 46120 states and 62961 transitions. [2024-12-02 07:27:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:27:36,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 481 [2024-12-02 07:27:36,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:27:36,433 INFO L225 Difference]: With dead ends: 46120 [2024-12-02 07:27:36,433 INFO L226 Difference]: Without dead ends: 24043 [2024-12-02 07:27:36,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:27:36,500 INFO L435 NwaCegarLoop]: 2928 mSDtfsCounter, 4487 mSDsluCounter, 7694 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 974 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4495 SdHoareTripleChecker+Valid, 10622 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:27:36,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4495 Valid, 10622 Invalid, 2193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [974 Valid, 1218 Invalid, 1 Unknown, 0 Unchecked, 18.7s Time] [2024-12-02 07:27:36,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24043 states. [2024-12-02 07:27:37,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24043 to 24003. [2024-12-02 07:27:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.2670184696569922) internal successors, (21609), 17284 states have internal predecessors, (21609), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:27:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32609 transitions. [2024-12-02 07:27:37,358 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32609 transitions. Word has length 481 [2024-12-02 07:27:37,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:27:37,358 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32609 transitions. [2024-12-02 07:27:37,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:27:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32609 transitions. [2024-12-02 07:27:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-12-02 07:27:37,364 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:27:37,364 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:37,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 07:27:37,364 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:27:37,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:27:37,365 INFO L85 PathProgramCache]: Analyzing trace with hash 409812219, now seen corresponding path program 1 times [2024-12-02 07:27:37,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:27:37,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591781059] [2024-12-02 07:27:37,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:27:37,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:27:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:27:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:27:46,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:27:46,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591781059] [2024-12-02 07:27:46,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591781059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:27:46,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:27:46,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:27:46,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197979969] [2024-12-02 07:27:46,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:27:46,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:27:46,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:27:46,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:27:46,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:27:46,470 INFO L87 Difference]: Start difference. First operand 24003 states and 32609 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:27:50,521 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 07:28:05,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:28:05,121 INFO L93 Difference]: Finished difference Result 48009 states and 65337 transitions. [2024-12-02 07:28:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:28:05,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 482 [2024-12-02 07:28:05,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:28:05,237 INFO L225 Difference]: With dead ends: 48009 [2024-12-02 07:28:05,238 INFO L226 Difference]: Without dead ends: 24027 [2024-12-02 07:28:05,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:28:05,311 INFO L435 NwaCegarLoop]: 2785 mSDtfsCounter, 2679 mSDsluCounter, 7323 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2686 SdHoareTripleChecker+Valid, 10108 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:28:05,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2686 Valid, 10108 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1120 Invalid, 1 Unknown, 0 Unchecked, 17.3s Time] [2024-12-02 07:28:05,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24027 states. [2024-12-02 07:28:06,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24027 to 24003. [2024-12-02 07:28:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.2661389621811785) internal successors, (21594), 17284 states have internal predecessors, (21594), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:28:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32594 transitions. [2024-12-02 07:28:06,205 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32594 transitions. Word has length 482 [2024-12-02 07:28:06,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:28:06,205 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32594 transitions. [2024-12-02 07:28:06,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:28:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32594 transitions. [2024-12-02 07:28:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-12-02 07:28:06,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:28:06,211 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:28:06,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 07:28:06,212 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:28:06,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:06,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1848815677, now seen corresponding path program 1 times [2024-12-02 07:28:06,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:06,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146412039] [2024-12-02 07:28:06,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:06,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:28:15,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:15,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146412039] [2024-12-02 07:28:15,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146412039] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:15,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:15,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:28:15,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45488951] [2024-12-02 07:28:15,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:15,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:28:15,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:15,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:28:15,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:28:15,201 INFO L87 Difference]: Start difference. First operand 24003 states and 32594 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:28:19,259 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 07:28:33,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:28:33,805 INFO L93 Difference]: Finished difference Result 48009 states and 65307 transitions. [2024-12-02 07:28:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:28:33,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 483 [2024-12-02 07:28:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:28:33,911 INFO L225 Difference]: With dead ends: 48009 [2024-12-02 07:28:33,912 INFO L226 Difference]: Without dead ends: 24027 [2024-12-02 07:28:33,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:28:33,971 INFO L435 NwaCegarLoop]: 2783 mSDtfsCounter, 2681 mSDsluCounter, 7318 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 10101 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:28:33,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 10101 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1112 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2024-12-02 07:28:33,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24027 states. [2024-12-02 07:28:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24027 to 24003. [2024-12-02 07:28:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.265259454705365) internal successors, (21579), 17284 states have internal predecessors, (21579), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:28:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32579 transitions. [2024-12-02 07:28:34,816 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32579 transitions. Word has length 483 [2024-12-02 07:28:34,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:28:34,817 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32579 transitions. [2024-12-02 07:28:34,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:28:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32579 transitions. [2024-12-02 07:28:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2024-12-02 07:28:34,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:28:34,824 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:28:34,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 07:28:34,824 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:28:34,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:34,824 INFO L85 PathProgramCache]: Analyzing trace with hash -672200777, now seen corresponding path program 1 times [2024-12-02 07:28:34,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:34,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336898191] [2024-12-02 07:28:34,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:34,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:28:43,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:43,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336898191] [2024-12-02 07:28:43,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336898191] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:43,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:43,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:28:43,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337016728] [2024-12-02 07:28:43,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:43,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:28:43,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:43,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:28:43,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:28:43,915 INFO L87 Difference]: Start difference. First operand 24003 states and 32579 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:28:47,967 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 07:29:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:29:03,325 INFO L93 Difference]: Finished difference Result 48009 states and 65277 transitions. [2024-12-02 07:29:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:29:03,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 484 [2024-12-02 07:29:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:29:03,463 INFO L225 Difference]: With dead ends: 48009 [2024-12-02 07:29:03,463 INFO L226 Difference]: Without dead ends: 24027 [2024-12-02 07:29:03,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:29:03,529 INFO L435 NwaCegarLoop]: 2781 mSDtfsCounter, 4384 mSDsluCounter, 7313 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 990 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4392 SdHoareTripleChecker+Valid, 10094 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 990 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:29:03,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4392 Valid, 10094 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [990 Valid, 1111 Invalid, 1 Unknown, 0 Unchecked, 17.9s Time] [2024-12-02 07:29:03,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24027 states. [2024-12-02 07:29:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24027 to 24003. [2024-12-02 07:29:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.2643799472295514) internal successors, (21564), 17284 states have internal predecessors, (21564), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:29:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32564 transitions. [2024-12-02 07:29:04,568 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32564 transitions. Word has length 484 [2024-12-02 07:29:04,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:29:04,569 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32564 transitions. [2024-12-02 07:29:04,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:29:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32564 transitions. [2024-12-02 07:29:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2024-12-02 07:29:04,575 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:29:04,575 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:29:04,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 07:29:04,575 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:29:04,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:29:04,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1399782919, now seen corresponding path program 1 times [2024-12-02 07:29:04,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:29:04,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824013288] [2024-12-02 07:29:04,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:29:04,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:29:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:29:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:29:13,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:29:13,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824013288] [2024-12-02 07:29:13,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824013288] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:29:13,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:29:13,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:29:13,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809587586] [2024-12-02 07:29:13,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:29:13,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:29:13,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:29:13,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:29:13,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:29:13,968 INFO L87 Difference]: Start difference. First operand 24003 states and 32564 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:29:18,023 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 07:29:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:29:33,137 INFO L93 Difference]: Finished difference Result 48009 states and 65247 transitions. [2024-12-02 07:29:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:29:33,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 485 [2024-12-02 07:29:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:29:33,288 INFO L225 Difference]: With dead ends: 48009 [2024-12-02 07:29:33,288 INFO L226 Difference]: Without dead ends: 24027 [2024-12-02 07:29:33,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:29:33,366 INFO L435 NwaCegarLoop]: 2780 mSDtfsCounter, 2679 mSDsluCounter, 7310 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2687 SdHoareTripleChecker+Valid, 10090 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:29:33,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2687 Valid, 10090 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1111 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2024-12-02 07:29:33,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24027 states. [2024-12-02 07:29:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24027 to 24003. [2024-12-02 07:29:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.263500439753738) internal successors, (21549), 17284 states have internal predecessors, (21549), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:29:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32549 transitions. [2024-12-02 07:29:34,698 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32549 transitions. Word has length 485 [2024-12-02 07:29:34,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:29:34,699 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32549 transitions. [2024-12-02 07:29:34,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:29:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32549 transitions. [2024-12-02 07:29:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2024-12-02 07:29:34,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:29:34,706 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:29:34,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 07:29:34,706 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:29:34,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:29:34,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1929491059, now seen corresponding path program 1 times [2024-12-02 07:29:34,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:29:34,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149165400] [2024-12-02 07:29:34,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:29:34,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:29:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:29:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:29:45,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:29:45,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149165400] [2024-12-02 07:29:45,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149165400] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:29:45,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:29:45,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:29:45,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390543896] [2024-12-02 07:29:45,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:29:45,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:29:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:29:45,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:29:45,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:29:45,760 INFO L87 Difference]: Start difference. First operand 24003 states and 32549 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:29:49,817 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 07:30:06,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:30:06,118 INFO L93 Difference]: Finished difference Result 48009 states and 65217 transitions. [2024-12-02 07:30:06,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:30:06,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 486 [2024-12-02 07:30:06,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:30:06,255 INFO L225 Difference]: With dead ends: 48009 [2024-12-02 07:30:06,255 INFO L226 Difference]: Without dead ends: 24027 [2024-12-02 07:30:06,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:30:06,329 INFO L435 NwaCegarLoop]: 2780 mSDtfsCounter, 2676 mSDsluCounter, 7309 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 10089 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:30:06,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 10089 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1117 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2024-12-02 07:30:06,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24027 states. [2024-12-02 07:30:07,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24027 to 24003. [2024-12-02 07:30:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.2626209322779243) internal successors, (21534), 17284 states have internal predecessors, (21534), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:30:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32534 transitions. [2024-12-02 07:30:07,464 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32534 transitions. Word has length 486 [2024-12-02 07:30:07,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:30:07,464 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32534 transitions. [2024-12-02 07:30:07,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:30:07,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32534 transitions. [2024-12-02 07:30:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-12-02 07:30:07,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:30:07,471 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:30:07,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 07:30:07,471 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:30:07,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:30:07,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2122681419, now seen corresponding path program 1 times [2024-12-02 07:30:07,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:30:07,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948967262] [2024-12-02 07:30:07,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:30:07,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:30:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:30:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:30:18,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:30:18,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948967262] [2024-12-02 07:30:18,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948967262] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:30:18,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:30:18,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:30:18,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229364202] [2024-12-02 07:30:18,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:30:18,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:30:18,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:30:18,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:30:18,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:30:18,273 INFO L87 Difference]: Start difference. First operand 24003 states and 32534 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:30:22,338 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 07:30:41,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:30:41,895 INFO L93 Difference]: Finished difference Result 48009 states and 65187 transitions. [2024-12-02 07:30:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:30:41,896 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 487 [2024-12-02 07:30:41,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:30:42,053 INFO L225 Difference]: With dead ends: 48009 [2024-12-02 07:30:42,053 INFO L226 Difference]: Without dead ends: 24027 [2024-12-02 07:30:42,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:30:42,139 INFO L435 NwaCegarLoop]: 2778 mSDtfsCounter, 2675 mSDsluCounter, 7304 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 10082 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:30:42,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 10082 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1116 Invalid, 1 Unknown, 0 Unchecked, 21.4s Time] [2024-12-02 07:30:42,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24027 states. [2024-12-02 07:30:43,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24027 to 24003. [2024-12-02 07:30:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.2617414248021108) internal successors, (21519), 17284 states have internal predecessors, (21519), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:30:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32519 transitions. [2024-12-02 07:30:43,601 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32519 transitions. Word has length 487 [2024-12-02 07:30:43,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:30:43,602 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32519 transitions. [2024-12-02 07:30:43,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:30:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32519 transitions. [2024-12-02 07:30:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2024-12-02 07:30:43,609 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:30:43,609 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:30:43,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 07:30:43,609 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:30:43,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:30:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1223507247, now seen corresponding path program 1 times [2024-12-02 07:30:43,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:30:43,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100619555] [2024-12-02 07:30:43,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:30:43,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:30:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:30:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:30:54,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:30:54,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100619555] [2024-12-02 07:30:54,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100619555] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:30:54,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:30:54,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:30:54,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670406926] [2024-12-02 07:30:54,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:30:54,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:30:54,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:30:54,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:30:54,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:30:54,473 INFO L87 Difference]: Start difference. First operand 24003 states and 32519 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:30:58,530 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 07:31:16,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:31:16,093 INFO L93 Difference]: Finished difference Result 48009 states and 65157 transitions. [2024-12-02 07:31:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:31:16,093 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) Word has length 488 [2024-12-02 07:31:16,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:31:16,246 INFO L225 Difference]: With dead ends: 48009 [2024-12-02 07:31:16,246 INFO L226 Difference]: Without dead ends: 24027 [2024-12-02 07:31:16,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:31:16,329 INFO L435 NwaCegarLoop]: 2778 mSDtfsCounter, 4376 mSDsluCounter, 7303 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 989 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4383 SdHoareTripleChecker+Valid, 10081 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 989 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:31:16,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4383 Valid, 10081 Invalid, 2102 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [989 Valid, 1112 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2024-12-02 07:31:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24027 states. [2024-12-02 07:31:17,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24027 to 24003. [2024-12-02 07:31:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24003 states, 17055 states have (on average 1.2608619173262974) internal successors, (21504), 17284 states have internal predecessors, (21504), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1480 states have return successors, (5533), 5365 states have call predecessors, (5533), 5467 states have call successors, (5533) [2024-12-02 07:31:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24003 states to 24003 states and 32504 transitions. [2024-12-02 07:31:17,692 INFO L78 Accepts]: Start accepts. Automaton has 24003 states and 32504 transitions. Word has length 488 [2024-12-02 07:31:17,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:31:17,693 INFO L471 AbstractCegarLoop]: Abstraction has 24003 states and 32504 transitions. [2024-12-02 07:31:17,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 5 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (50), 6 states have call predecessors, (50), 5 states have call successors, (50) [2024-12-02 07:31:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 24003 states and 32504 transitions. [2024-12-02 07:31:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2024-12-02 07:31:17,699 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:17,700 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:17,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 07:31:17,700 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:17,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:17,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2019286544, now seen corresponding path program 1 times [2024-12-02 07:31:17,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:17,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826676528] [2024-12-02 07:31:17,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:31:27,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:31:27,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826676528] [2024-12-02 07:31:27,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826676528] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:31:27,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:31:27,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:31:27,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510823236] [2024-12-02 07:31:27,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:31:27,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:31:27,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:31:27,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:31:27,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:31:27,743 INFO L87 Difference]: Start difference. First operand 24003 states and 32504 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2024-12-02 07:31:28,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:31:28,765 INFO L93 Difference]: Finished difference Result 24065 states and 32580 transitions. [2024-12-02 07:31:28,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:31:28,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) Word has length 489 [2024-12-02 07:31:28,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:31:28,891 INFO L225 Difference]: With dead ends: 24065 [2024-12-02 07:31:28,891 INFO L226 Difference]: Without dead ends: 24063 [2024-12-02 07:31:28,905 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 07:31:28,905 INFO L435 NwaCegarLoop]: 2784 mSDtfsCounter, 0 mSDsluCounter, 8348 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11132 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:31:28,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11132 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:31:28,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24063 states. [2024-12-02 07:31:29,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24063 to 24063. [2024-12-02 07:31:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24063 states, 17100 states have (on average 1.2601754385964912) internal successors, (21549), 17329 states have internal predecessors, (21549), 5467 states have call successors, (5467), 1494 states have call predecessors, (5467), 1495 states have return successors, (5548), 5380 states have call predecessors, (5548), 5467 states have call successors, (5548) [2024-12-02 07:31:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24063 states to 24063 states and 32564 transitions. [2024-12-02 07:31:30,129 INFO L78 Accepts]: Start accepts. Automaton has 24063 states and 32564 transitions. Word has length 489 [2024-12-02 07:31:30,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:31:30,130 INFO L471 AbstractCegarLoop]: Abstraction has 24063 states and 32564 transitions. [2024-12-02 07:31:30,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2024-12-02 07:31:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 24063 states and 32564 transitions. [2024-12-02 07:31:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2024-12-02 07:31:30,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:30,137 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:30,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 07:31:30,138 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:30,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:30,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1990657393, now seen corresponding path program 1 times [2024-12-02 07:31:30,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:30,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927511493] [2024-12-02 07:31:30,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:30,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1164 trivial. 0 not checked. [2024-12-02 07:31:50,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:31:50,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927511493] [2024-12-02 07:31:50,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927511493] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:31:50,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498962359] [2024-12-02 07:31:50,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:31:50,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:31:50,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:31:50,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:32:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:02,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 5450 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:32:02,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:32:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 07:32:15,786 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:32:15,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498962359] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:15,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:32:15,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-12-02 07:32:15,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899258619] [2024-12-02 07:32:15,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:15,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:15,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:15,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:15,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:32:15,789 INFO L87 Difference]: Start difference. First operand 24063 states and 32564 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2024-12-02 07:32:17,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:17,375 INFO L93 Difference]: Finished difference Result 48043 states and 65143 transitions. [2024-12-02 07:32:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:17,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) Word has length 489 [2024-12-02 07:32:17,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:17,456 INFO L225 Difference]: With dead ends: 48043 [2024-12-02 07:32:17,456 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:32:17,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:32:17,592 INFO L435 NwaCegarLoop]: 2782 mSDtfsCounter, 2501 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 2782 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 07:32:17,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 2782 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:32:17,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:32:17,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:32:17,592 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 07:32:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:32:17,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 489 [2024-12-02 07:32:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:17,654 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:32:17,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2024-12-02 07:32:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:32:17,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:32:17,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:32:17,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:32:17,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d6595c-7c5f-4ef1-a4db-17928c0a6482/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-02 07:32:17,860 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 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 07:32:17,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:32:44,090 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 88 DAG size of output: 88 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:32:55,694 WARN L286 SmtUtils]: Spent 7.71s on a formula simplification. DAG size of input: 86 DAG size of output: 79 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:33:03,914 WARN L286 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:33:11,985 WARN L286 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:33:31,228 WARN L286 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 91 DAG size of output: 89 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:33:39,790 WARN L286 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 86 DAG size of output: 79 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:33:53,509 WARN L286 SmtUtils]: Spent 7.34s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:34:08,935 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 88 DAG size of output: 88 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:34:19,397 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:34:26,902 WARN L286 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 86 DAG size of output: 84 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:34:48,528 WARN L286 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 86 DAG size of output: 86 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:35:02,284 WARN L286 SmtUtils]: Spent 10.54s on a formula simplification. DAG size of input: 91 DAG size of output: 89 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:35:10,307 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 86 DAG size of output: 84 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:35:21,044 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 86 DAG size of output: 84 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 07:35:36,749 WARN L286 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)