./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-tehuti-tehuti.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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/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-tehuti-tehuti.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/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 36bb93ca3621bc77a2fce568a30c9f1e07b847a50c59f68bc973979594911c40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:13:49,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:13:49,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:13:49,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:13:49,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:13:49,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:13:49,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:13:49,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:13:49,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:13:49,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:13:49,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:13:49,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:13:49,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:13:49,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:13:49,806 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:13:49,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:13:49,807 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:13:49,808 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:13:49,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:13:49,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:13:49,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:13:49,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:13:49,810 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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/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 -> 36bb93ca3621bc77a2fce568a30c9f1e07b847a50c59f68bc973979594911c40 [2024-12-02 13:13:50,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:13:50,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:13:50,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:13:50,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:13:50,108 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:13:50,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2024-12-02 13:13:53,429 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/data/bf4c57768/136825e36c824891b8532c319466d3e7/FLAGf4b8c671c [2024-12-02 13:13:53,998 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:13:53,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2024-12-02 13:13:54,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/data/bf4c57768/136825e36c824891b8532c319466d3e7/FLAGf4b8c671c [2024-12-02 13:13:54,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/data/bf4c57768/136825e36c824891b8532c319466d3e7 [2024-12-02 13:13:54,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:13:54,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:13:54,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:13:54,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:13:54,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:13:54,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:13:54" (1/1) ... [2024-12-02 13:13:54,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3976b687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:54, skipping insertion in model container [2024-12-02 13:13:54,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:13:54" (1/1) ... [2024-12-02 13:13:54,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:13:57,237 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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376704,376717] [2024-12-02 13:13:57,242 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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376849,376862] [2024-12-02 13:13:57,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:13:57,340 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:13:57,486 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"); [6123] [2024-12-02 13:13:57,488 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)); [6130] [2024-12-02 13:13:57,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6137] [2024-12-02 13:13:57,491 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)); [6177-6178] [2024-12-02 13:13:57,491 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"); [6183-6185] [2024-12-02 13:13:57,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [6210-6211] [2024-12-02 13:13:57,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [6216-6218] [2024-12-02 13:13:57,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6242-6243] [2024-12-02 13:13:57,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6248-6250] [2024-12-02 13:13:57,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6341] [2024-12-02 13:13:57,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6348] [2024-12-02 13:13:57,505 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)); [6524-6525] [2024-12-02 13:13:57,508 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)); [6558-6559] [2024-12-02 13:13:57,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6599-6600] [2024-12-02 13:13:57,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6628-6629] [2024-12-02 13:13:57,512 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)); [6665-6666] [2024-12-02 13:13:57,522 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)); [6970-6971] [2024-12-02 13:13:57,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6977] [2024-12-02 13:13:57,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (897), "i" (12UL)); [8494-8495] [2024-12-02 13:13:57,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (904), "i" (12UL)); [8518-8519] [2024-12-02 13:13:57,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (911), "i" (12UL)); [8542-8543] [2024-12-02 13:13:57,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (918), "i" (12UL)); [8566-8567] [2024-12-02 13:13:57,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (919), "i" (12UL)); [8577-8578] [2024-12-02 13:13:57,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (958), "i" (12UL)); [8639-8640] [2024-12-02 13:13:57,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (964), "i" (12UL)); [8659-8660] [2024-12-02 13:13:57,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (964), "i" (12UL)); [8669-8670] [2024-12-02 13:13:57,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (975), "i" (12UL)); [8695-8696] [2024-12-02 13:13:57,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1243), "i" (12UL)); [8989-8990] [2024-12-02 13:13:57,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1398), "i" (12UL)); [9120-9121] [2024-12-02 13:13:57,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1401), "i" (12UL)); [9136-9137] [2024-12-02 13:13:57,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1404), "i" (12UL)); [9149-9150] [2024-12-02 13:13:57,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1404), "i" (12UL)); [9159-9160] [2024-12-02 13:13:57,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1417), "i" (12UL)); [9186-9187] [2024-12-02 13:13:57,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1428), "i" (12UL)); [9208-9209] [2024-12-02 13:13:57,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1468), "i" (12UL)); [9248-9249] [2024-12-02 13:13:57,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1641), "i" (12UL)); [9473-9474] [2024-12-02 13:13:57,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1679), "i" (12UL)); [9521-9522] [2024-12-02 13:13:57,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1683), "i" (12UL)); [9540-9541] [2024-12-02 13:13:57,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1686), "i" (12UL)); [9552-9553] [2024-12-02 13:13:57,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1686), "i" (12UL)); [9563-9564] [2024-12-02 13:13:57,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1740), "i" (12UL)); [9629-9630] [2024-12-02 13:13:57,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1748), "i" (12UL)); [9644-9645] [2024-12-02 13:13:57,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1750), "i" (12UL)); [9656-9657] [2024-12-02 13:13:57,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1763), "i" (12UL)); [9685-9686] [2024-12-02 13:13:57,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1770), "i" (12UL)); [9699-9700] [2024-12-02 13:13:57,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/tehuti/tehuti.c"), "i" (1770), "i" (12UL)); [9710-9711] [2024-12-02 13:13:57,858 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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376704,376717] [2024-12-02 13:13:57,859 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_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376849,376862] [2024-12-02 13:13:57,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:13:58,077 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:13:58,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58 WrapperNode [2024-12-02 13:13:58,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:13:58,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:13:58,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:13:58,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:13:58,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:58,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:58,365 INFO L138 Inliner]: procedures = 489, calls = 2923, calls flagged for inlining = 233, calls inlined = 187, statements flattened = 5468 [2024-12-02 13:13:58,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:13:58,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:13:58,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:13:58,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:13:58,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:58,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:58,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,380 INFO L175 MemorySlicer]: Split 1534 memory accesses to 23 slices as follows [7, 2, 2, 1, 4, 621, 7, 7, 3, 4, 2, 2, 7, 1, 42, 5, 7, 1, 736, 54, 3, 8, 8]. 48 percent of accesses are in the largest equivalence class. The 824 initializations are split as follows [7, 0, 0, 1, 0, 7, 7, 7, 0, 4, 0, 2, 7, 1, 36, 0, 7, 1, 736, 0, 1, 0, 0]. The 301 writes are split as follows [0, 1, 1, 0, 1, 245, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 42, 0, 1, 6]. [2024-12-02 13:13:59,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:13:59,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:13:59,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:13:59,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:13:59,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (1/1) ... [2024-12-02 13:13:59,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:13:59,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:13:59,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:13:59,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:13:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 13:13:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 13:13:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 13:13:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 13:13:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 13:13:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 13:13:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2024-12-02 13:13:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2024-12-02 13:13:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_open [2024-12-02 13:13:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_open [2024-12-02 13:13:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 13:13:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 13:13:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:13:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:13:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-12-02 13:13:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-12-02 13:13:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-12-02 13:13:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-12-02 13:13:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 13:13:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 13:13:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 13:13:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 13:13:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 13:13:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 13:13:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 13:13:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 13:13:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_tx_db_inc_wptr [2024-12-02 13:13:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_tx_db_inc_wptr [2024-12-02 13:13:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 13:13:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 13:13:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 13:13:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 13:13:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 13:13:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 13:13:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 13:13:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 13:13:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 13:13:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 13:13:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-12-02 13:13:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-12-02 13:13:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 13:13:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 13:13:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 13:13:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2024-12-02 13:13:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:13:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 13:13:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-12-02 13:13:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 13:13:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 13:13:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 13:13:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure __bdx_tx_db_ptr_next [2024-12-02 13:13:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __bdx_tx_db_ptr_next [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:13:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 13:13:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:13:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 13:13:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 13:13:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:13:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:13:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:13:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:13:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:13:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 13:13:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 13:13:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_close [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_close [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_bdx_priv [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_bdx_priv [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 13:13:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 13:13:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_restore_mac [2024-12-02 13:13:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_restore_mac [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rx_alloc_skbs [2024-12-02 13:13:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rx_alloc_skbs [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 13:13:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 13:13:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:13:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:13:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-12-02 13:13:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:13:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 13:13:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 13:13:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 13:13:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_available [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_available [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_addr_elem [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_addr_elem [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:13:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:13:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:13:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 13:13:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:13:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_tx_db_inc_rptr [2024-12-02 13:13:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_tx_db_inc_rptr [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 13:13:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 13:13:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bdx_vlan_rx_vid [2024-12-02 13:13:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __bdx_vlan_rx_vid [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 13:13:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 13:13:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_fifo_free [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_fifo_free [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_remove [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_remove [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 13:13:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:13:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 13:13:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-12-02 13:13:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 13:13:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:13:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_reset [2024-12-02 13:13:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_reset [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 13:13:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 13:13:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 13:13:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_alloc_elem [2024-12-02 13:13:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_alloc_elem [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_range_check [2024-12-02 13:13:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_range_check [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 13:13:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2024-12-02 13:13:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 13:13:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_fifo_init [2024-12-02 13:13:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_fifo_init [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 13:13:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_link_changed [2024-12-02 13:13:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_link_changed [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:13:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 13:13:59,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 13:13:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 13:13:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_setmulti [2024-12-02 13:13:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_setmulti [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure print_rxfd [2024-12-02 13:13:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure print_rxfd [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 13:13:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 13:13:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 13:13:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:13:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 13:13:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 13:13:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 13:14:00,802 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:14:00,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:14:01,641 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:14:18,647 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 13:14:19,487 INFO L? ?]: Removed 2522 outVars from TransFormulas that were not future-live. [2024-12-02 13:14:19,488 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:14:19,531 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:14:19,532 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 13:14:19,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:19 BoogieIcfgContainer [2024-12-02 13:14:19,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:14:19,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:14:19,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:14:19,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:14:19,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:13:54" (1/3) ... [2024-12-02 13:14:19,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:19, skipping insertion in model container [2024-12-02 13:14:19,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:58" (2/3) ... [2024-12-02 13:14:19,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:19, skipping insertion in model container [2024-12-02 13:14:19,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:19" (3/3) ... [2024-12-02 13:14:19,545 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2024-12-02 13:14:19,564 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:14:19,567 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i that has 116 procedures, 1929 locations, 1 initial locations, 47 loop locations, and 2 error locations. [2024-12-02 13:14:19,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:14:19,693 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;@44dca4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:14:19,693 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 13:14:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 1817 states, 1273 states have (on average 1.2788688138256088) internal successors, (1628), 1296 states have internal predecessors, (1628), 451 states have call successors, (451), 93 states have call predecessors, (451), 92 states have return successors, (446), 443 states have call predecessors, (446), 446 states have call successors, (446) [2024-12-02 13:14:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 13:14:19,729 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:19,730 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:19,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:19,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:19,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1266154863, now seen corresponding path program 1 times [2024-12-02 13:14:19,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:19,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834791718] [2024-12-02 13:14:19,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:19,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 13:14:24,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:24,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834791718] [2024-12-02 13:14:24,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834791718] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:24,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:24,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:14:24,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183911393] [2024-12-02 13:14:24,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:24,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:14:24,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:24,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:14:24,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:14:24,221 INFO L87 Difference]: Start difference. First operand has 1817 states, 1273 states have (on average 1.2788688138256088) internal successors, (1628), 1296 states have internal predecessors, (1628), 451 states have call successors, (451), 93 states have call predecessors, (451), 92 states have return successors, (446), 443 states have call predecessors, (446), 446 states have call successors, (446) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 13:14:28,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:14:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:29,115 INFO L93 Difference]: Finished difference Result 5008 states and 7059 transitions. [2024-12-02 13:14:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:14:29,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2024-12-02 13:14:29,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:29,152 INFO L225 Difference]: With dead ends: 5008 [2024-12-02 13:14:29,153 INFO L226 Difference]: Without dead ends: 3141 [2024-12-02 13:14:29,167 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 13:14:29,170 INFO L435 NwaCegarLoop]: 2832 mSDtfsCounter, 1899 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 5249 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:29,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1899 Valid, 5249 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 13:14:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2024-12-02 13:14:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 3136. [2024-12-02 13:14:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3136 states, 2238 states have (on average 1.2551385165326183) internal successors, (2809), 2274 states have internal predecessors, (2809), 733 states have call successors, (733), 163 states have call predecessors, (733), 163 states have return successors, (733), 728 states have call predecessors, (733), 733 states have call successors, (733) [2024-12-02 13:14:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 4275 transitions. [2024-12-02 13:14:29,420 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 4275 transitions. Word has length 100 [2024-12-02 13:14:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:29,421 INFO L471 AbstractCegarLoop]: Abstraction has 3136 states and 4275 transitions. [2024-12-02 13:14:29,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 13:14:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 4275 transitions. [2024-12-02 13:14:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 13:14:29,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:29,429 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:29,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:14:29,430 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:29,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1236971836, now seen corresponding path program 1 times [2024-12-02 13:14:29,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:29,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160480614] [2024-12-02 13:14:29,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:29,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 13:14:33,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:33,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160480614] [2024-12-02 13:14:33,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160480614] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:33,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:33,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:14:33,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488836586] [2024-12-02 13:14:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:33,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:14:33,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:33,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:14:33,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:14:33,058 INFO L87 Difference]: Start difference. First operand 3136 states and 4275 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 13:14:37,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:14:37,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:37,689 INFO L93 Difference]: Finished difference Result 8738 states and 11893 transitions. [2024-12-02 13:14:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:14:37,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 116 [2024-12-02 13:14:37,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:37,737 INFO L225 Difference]: With dead ends: 8738 [2024-12-02 13:14:37,737 INFO L226 Difference]: Without dead ends: 5617 [2024-12-02 13:14:37,756 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 13:14:37,757 INFO L435 NwaCegarLoop]: 2449 mSDtfsCounter, 2277 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:37,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 4659 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 13:14:37,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5617 states. [2024-12-02 13:14:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5617 to 5610. [2024-12-02 13:14:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 4006 states have (on average 1.2536195706440338) internal successors, (5022), 4073 states have internal predecessors, (5022), 1295 states have call successors, (1295), 308 states have call predecessors, (1295), 307 states have return successors, (1308), 1278 states have call predecessors, (1308), 1295 states have call successors, (1308) [2024-12-02 13:14:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 7625 transitions. [2024-12-02 13:14:38,118 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 7625 transitions. Word has length 116 [2024-12-02 13:14:38,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:38,118 INFO L471 AbstractCegarLoop]: Abstraction has 5610 states and 7625 transitions. [2024-12-02 13:14:38,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 13:14:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 7625 transitions. [2024-12-02 13:14:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 13:14:38,127 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:38,128 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:14:38,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:14:38,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:38,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:38,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1921551784, now seen corresponding path program 1 times [2024-12-02 13:14:38,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:38,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470842803] [2024-12-02 13:14:38,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:38,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-02 13:14:41,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:41,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470842803] [2024-12-02 13:14:41,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470842803] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:41,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:41,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:14:41,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820462486] [2024-12-02 13:14:41,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:41,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:14:41,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:41,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:14:41,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:14:41,923 INFO L87 Difference]: Start difference. First operand 5610 states and 7625 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 13:14:46,007 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 13:14:46,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:46,634 INFO L93 Difference]: Finished difference Result 13533 states and 18388 transitions. [2024-12-02 13:14:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:14:46,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 173 [2024-12-02 13:14:46,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:46,668 INFO L225 Difference]: With dead ends: 13533 [2024-12-02 13:14:46,668 INFO L226 Difference]: Without dead ends: 7938 [2024-12-02 13:14:46,683 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 13:14:46,684 INFO L435 NwaCegarLoop]: 4254 mSDtfsCounter, 1843 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 6607 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:46,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 6607 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 13:14:46,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7938 states. [2024-12-02 13:14:46,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7938 to 7932. [2024-12-02 13:14:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7932 states, 5677 states have (on average 1.252950502025718) internal successors, (7113), 5770 states have internal predecessors, (7113), 1811 states have call successors, (1811), 443 states have call predecessors, (1811), 442 states have return successors, (1825), 1788 states have call predecessors, (1825), 1811 states have call successors, (1825) [2024-12-02 13:14:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7932 states to 7932 states and 10749 transitions. [2024-12-02 13:14:46,975 INFO L78 Accepts]: Start accepts. Automaton has 7932 states and 10749 transitions. Word has length 173 [2024-12-02 13:14:46,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:46,975 INFO L471 AbstractCegarLoop]: Abstraction has 7932 states and 10749 transitions. [2024-12-02 13:14:46,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 13:14:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 7932 states and 10749 transitions. [2024-12-02 13:14:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 13:14:46,982 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:46,982 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:14:46,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:14:46,982 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:46,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash 963142797, now seen corresponding path program 1 times [2024-12-02 13:14:46,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:46,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606407000] [2024-12-02 13:14:46,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:46,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-12-02 13:14:49,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:49,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606407000] [2024-12-02 13:14:49,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606407000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:49,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:49,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:14:49,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812785778] [2024-12-02 13:14:49,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:49,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:14:49,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:49,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:14:49,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:14:49,433 INFO L87 Difference]: Start difference. First operand 7932 states and 10749 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 13:14:53,482 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 13:14:54,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:54,221 INFO L93 Difference]: Finished difference Result 18161 states and 24606 transitions. [2024-12-02 13:14:54,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:14:54,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 247 [2024-12-02 13:14:54,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:54,296 INFO L225 Difference]: With dead ends: 18161 [2024-12-02 13:14:54,296 INFO L226 Difference]: Without dead ends: 10244 [2024-12-02 13:14:54,331 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 13:14:54,332 INFO L435 NwaCegarLoop]: 4259 mSDtfsCounter, 1840 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 6619 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:54,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 6619 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 13:14:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10244 states. [2024-12-02 13:14:54,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10244 to 10238. [2024-12-02 13:14:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.252929953665849) internal successors, (9194), 7457 states have internal predecessors, (9194), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:14:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13851 transitions. [2024-12-02 13:14:54,808 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13851 transitions. Word has length 247 [2024-12-02 13:14:54,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:54,809 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13851 transitions. [2024-12-02 13:14:54,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 13:14:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13851 transitions. [2024-12-02 13:14:54,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 13:14:54,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:54,822 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:14:54,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:14:54,822 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:54,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:54,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1211289291, now seen corresponding path program 1 times [2024-12-02 13:14:54,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:54,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485673659] [2024-12-02 13:14:54,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:54,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:14:57,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:57,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485673659] [2024-12-02 13:14:57,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485673659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:57,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:57,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:14:57,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138155288] [2024-12-02 13:14:57,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:57,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:14:57,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:57,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:14:57,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:14:57,640 INFO L87 Difference]: Start difference. First operand 10238 states and 13851 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:01,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:15:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:07,076 INFO L93 Difference]: Finished difference Result 20461 states and 27756 transitions. [2024-12-02 13:15:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 247 [2024-12-02 13:15:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:07,128 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:15:07,128 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:15:07,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:15:07,154 INFO L435 NwaCegarLoop]: 2418 mSDtfsCounter, 2333 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 3987 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:07,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 3987 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2024-12-02 13:15:07,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:15:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:15:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2518397383483237) internal successors, (9186), 7457 states have internal predecessors, (9186), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:15:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13843 transitions. [2024-12-02 13:15:07,466 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13843 transitions. Word has length 247 [2024-12-02 13:15:07,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:07,467 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13843 transitions. [2024-12-02 13:15:07,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:07,467 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13843 transitions. [2024-12-02 13:15:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-12-02 13:15:07,475 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:07,475 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:15:07,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:15:07,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:07,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:07,476 INFO L85 PathProgramCache]: Analyzing trace with hash 703632945, now seen corresponding path program 1 times [2024-12-02 13:15:07,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:07,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663512496] [2024-12-02 13:15:07,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:15:10,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:10,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663512496] [2024-12-02 13:15:10,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663512496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:10,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:10,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:15:10,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450257539] [2024-12-02 13:15:10,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:10,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:15:10,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:10,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:15:10,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:15:10,389 INFO L87 Difference]: Start difference. First operand 10238 states and 13843 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:14,466 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 13:15:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:20,210 INFO L93 Difference]: Finished difference Result 20461 states and 27740 transitions. [2024-12-02 13:15:20,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:20,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 248 [2024-12-02 13:15:20,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:20,248 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:15:20,248 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:15:20,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:15:20,272 INFO L435 NwaCegarLoop]: 2416 mSDtfsCounter, 3071 mSDsluCounter, 1567 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 3983 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:20,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3071 Valid, 3983 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2024-12-02 13:15:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:15:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:15:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2507495230307986) internal successors, (9178), 7457 states have internal predecessors, (9178), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:15:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13835 transitions. [2024-12-02 13:15:20,619 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13835 transitions. Word has length 248 [2024-12-02 13:15:20,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:20,620 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13835 transitions. [2024-12-02 13:15:20,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13835 transitions. [2024-12-02 13:15:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-12-02 13:15:20,628 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:20,628 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:15:20,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:15:20,628 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:20,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:20,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2034295289, now seen corresponding path program 1 times [2024-12-02 13:15:20,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:20,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984858771] [2024-12-02 13:15:20,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:15:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984858771] [2024-12-02 13:15:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984858771] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:23,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:15:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840120384] [2024-12-02 13:15:23,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:23,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:15:23,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:23,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:15:23,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:15:23,518 INFO L87 Difference]: Start difference. First operand 10238 states and 13835 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:27,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:15:33,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:33,177 INFO L93 Difference]: Finished difference Result 20461 states and 27724 transitions. [2024-12-02 13:15:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:33,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 249 [2024-12-02 13:15:33,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:33,214 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:15:33,214 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:15:33,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:15:33,236 INFO L435 NwaCegarLoop]: 2415 mSDtfsCounter, 3068 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:33,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 3981 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 13:15:33,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:15:33,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:15:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2496593077132734) internal successors, (9170), 7457 states have internal predecessors, (9170), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:15:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13827 transitions. [2024-12-02 13:15:33,788 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13827 transitions. Word has length 249 [2024-12-02 13:15:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:33,789 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13827 transitions. [2024-12-02 13:15:33,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13827 transitions. [2024-12-02 13:15:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 13:15:33,799 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:33,800 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:15:33,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:15:33,800 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:33,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:33,800 INFO L85 PathProgramCache]: Analyzing trace with hash -896208019, now seen corresponding path program 1 times [2024-12-02 13:15:33,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:33,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554772671] [2024-12-02 13:15:33,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:33,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:15:36,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554772671] [2024-12-02 13:15:36,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554772671] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:36,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:36,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:15:36,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247707141] [2024-12-02 13:15:36,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:36,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:15:36,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:36,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:15:36,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:15:36,565 INFO L87 Difference]: Start difference. First operand 10238 states and 13827 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:40,616 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 13:15:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:46,417 INFO L93 Difference]: Finished difference Result 20461 states and 27708 transitions. [2024-12-02 13:15:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:46,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 250 [2024-12-02 13:15:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:46,470 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:15:46,471 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:15:46,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:15:46,508 INFO L435 NwaCegarLoop]: 2414 mSDtfsCounter, 3065 mSDsluCounter, 1565 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 3979 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:46,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3065 Valid, 3979 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-12-02 13:15:46,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:15:46,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:15:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2485690923957482) internal successors, (9162), 7457 states have internal predecessors, (9162), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:15:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13819 transitions. [2024-12-02 13:15:47,025 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13819 transitions. Word has length 250 [2024-12-02 13:15:47,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:47,025 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13819 transitions. [2024-12-02 13:15:47,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13819 transitions. [2024-12-02 13:15:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-12-02 13:15:47,032 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:47,032 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:15:47,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:15:47,032 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:47,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:47,033 INFO L85 PathProgramCache]: Analyzing trace with hash 139275587, now seen corresponding path program 1 times [2024-12-02 13:15:47,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:47,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44507749] [2024-12-02 13:15:47,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:47,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:15:49,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:49,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44507749] [2024-12-02 13:15:49,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44507749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:49,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:49,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:15:49,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766764199] [2024-12-02 13:15:49,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:49,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:15:49,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:49,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:15:49,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:15:49,529 INFO L87 Difference]: Start difference. First operand 10238 states and 13819 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:53,581 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 13:15:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:59,227 INFO L93 Difference]: Finished difference Result 20461 states and 27692 transitions. [2024-12-02 13:15:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 251 [2024-12-02 13:15:59,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:59,258 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:15:59,258 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:15:59,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:15:59,277 INFO L435 NwaCegarLoop]: 2413 mSDtfsCounter, 3062 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 3977 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:59,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 3977 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 13:15:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:15:59,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:15:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.247478877078223) internal successors, (9154), 7457 states have internal predecessors, (9154), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:15:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13811 transitions. [2024-12-02 13:15:59,661 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13811 transitions. Word has length 251 [2024-12-02 13:15:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:59,662 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13811 transitions. [2024-12-02 13:15:59,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:15:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13811 transitions. [2024-12-02 13:15:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 13:15:59,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:59,669 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:15:59,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:15:59,669 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:59,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:59,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2005954391, now seen corresponding path program 1 times [2024-12-02 13:15:59,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:59,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926280180] [2024-12-02 13:15:59,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:59,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:02,092 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:16:02,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:02,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926280180] [2024-12-02 13:16:02,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926280180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:02,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:02,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:16:02,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145396071] [2024-12-02 13:16:02,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:02,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:02,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:02,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:02,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:02,094 INFO L87 Difference]: Start difference. First operand 10238 states and 13811 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:06,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:16:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:16:11,881 INFO L93 Difference]: Finished difference Result 20461 states and 27676 transitions. [2024-12-02 13:16:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:16:11,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 252 [2024-12-02 13:16:11,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:16:11,923 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:16:11,923 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:16:11,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:16:11,942 INFO L435 NwaCegarLoop]: 2412 mSDtfsCounter, 3059 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:16:11,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 3975 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2024-12-02 13:16:11,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:16:12,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:16:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2463886617606978) internal successors, (9146), 7457 states have internal predecessors, (9146), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:16:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13803 transitions. [2024-12-02 13:16:12,343 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13803 transitions. Word has length 252 [2024-12-02 13:16:12,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:16:12,344 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13803 transitions. [2024-12-02 13:16:12,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13803 transitions. [2024-12-02 13:16:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-12-02 13:16:12,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:16:12,349 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:16:12,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:16:12,349 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:16:12,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:12,349 INFO L85 PathProgramCache]: Analyzing trace with hash 325909631, now seen corresponding path program 1 times [2024-12-02 13:16:12,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:12,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218848720] [2024-12-02 13:16:12,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:12,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:16:14,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:14,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218848720] [2024-12-02 13:16:14,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218848720] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:14,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:14,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:16:14,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151281618] [2024-12-02 13:16:14,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:14,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:14,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:14,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:14,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:14,994 INFO L87 Difference]: Start difference. First operand 10238 states and 13803 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:19,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:16:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:16:24,815 INFO L93 Difference]: Finished difference Result 20461 states and 27660 transitions. [2024-12-02 13:16:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:16:24,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 253 [2024-12-02 13:16:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:16:24,845 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:16:24,845 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:16:24,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:16:24,861 INFO L435 NwaCegarLoop]: 2411 mSDtfsCounter, 3056 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 3973 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:16:24,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 3973 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 13:16:24,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:16:25,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:16:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2452984464431724) internal successors, (9138), 7457 states have internal predecessors, (9138), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:16:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13795 transitions. [2024-12-02 13:16:25,289 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13795 transitions. Word has length 253 [2024-12-02 13:16:25,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:16:25,290 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13795 transitions. [2024-12-02 13:16:25,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13795 transitions. [2024-12-02 13:16:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-12-02 13:16:25,295 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:16:25,295 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:16:25,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:16:25,295 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:16:25,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:25,295 INFO L85 PathProgramCache]: Analyzing trace with hash -286233115, now seen corresponding path program 1 times [2024-12-02 13:16:25,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:25,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530376545] [2024-12-02 13:16:25,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:25,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:16:27,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:27,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530376545] [2024-12-02 13:16:27,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530376545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:27,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:27,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:16:27,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021949089] [2024-12-02 13:16:27,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:27,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:27,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:27,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:27,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:27,733 INFO L87 Difference]: Start difference. First operand 10238 states and 13795 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:31,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:16:37,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:16:37,479 INFO L93 Difference]: Finished difference Result 20461 states and 27644 transitions. [2024-12-02 13:16:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:16:37,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 254 [2024-12-02 13:16:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:16:37,513 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:16:37,513 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:16:37,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:16:37,533 INFO L435 NwaCegarLoop]: 2410 mSDtfsCounter, 3053 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 3971 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:16:37,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 3971 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2024-12-02 13:16:37,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:16:38,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:16:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2442082311256473) internal successors, (9130), 7457 states have internal predecessors, (9130), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:16:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13787 transitions. [2024-12-02 13:16:38,052 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13787 transitions. Word has length 254 [2024-12-02 13:16:38,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:16:38,053 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13787 transitions. [2024-12-02 13:16:38,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13787 transitions. [2024-12-02 13:16:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-12-02 13:16:38,057 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:16:38,057 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:16:38,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:16:38,057 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:16:38,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:38,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1968272453, now seen corresponding path program 1 times [2024-12-02 13:16:38,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:38,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268718713] [2024-12-02 13:16:38,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:16:40,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:40,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268718713] [2024-12-02 13:16:40,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268718713] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:40,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:40,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:16:40,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927037599] [2024-12-02 13:16:40,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:40,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:40,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:40,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:40,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:40,385 INFO L87 Difference]: Start difference. First operand 10238 states and 13787 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:44,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:16:50,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:16:50,435 INFO L93 Difference]: Finished difference Result 20461 states and 27628 transitions. [2024-12-02 13:16:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:16:50,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 255 [2024-12-02 13:16:50,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:16:50,467 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:16:50,468 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:16:50,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:16:50,488 INFO L435 NwaCegarLoop]: 2409 mSDtfsCounter, 3050 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:16:50,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 3969 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 13:16:50,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:16:50,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:16:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.243118015808122) internal successors, (9122), 7457 states have internal predecessors, (9122), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:16:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13779 transitions. [2024-12-02 13:16:50,980 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13779 transitions. Word has length 255 [2024-12-02 13:16:50,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:16:50,980 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13779 transitions. [2024-12-02 13:16:50,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13779 transitions. [2024-12-02 13:16:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 13:16:50,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:16:50,985 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:16:50,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:16:50,985 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:16:50,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:50,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1837599521, now seen corresponding path program 1 times [2024-12-02 13:16:50,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:50,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690915781] [2024-12-02 13:16:50,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:50,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:16:53,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:53,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690915781] [2024-12-02 13:16:53,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690915781] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:53,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:53,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:16:53,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666036506] [2024-12-02 13:16:53,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:53,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:53,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:53,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:53,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:53,331 INFO L87 Difference]: Start difference. First operand 10238 states and 13779 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:16:57,379 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 13:17:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:03,376 INFO L93 Difference]: Finished difference Result 20461 states and 27612 transitions. [2024-12-02 13:17:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:03,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 256 [2024-12-02 13:17:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:03,411 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:17:03,411 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:17:03,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:17:03,431 INFO L435 NwaCegarLoop]: 2408 mSDtfsCounter, 3047 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 3967 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:03,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 3967 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-12-02 13:17:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:17:03,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:17:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.242027800490597) internal successors, (9114), 7457 states have internal predecessors, (9114), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:17:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13771 transitions. [2024-12-02 13:17:04,004 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13771 transitions. Word has length 256 [2024-12-02 13:17:04,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:04,004 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13771 transitions. [2024-12-02 13:17:04,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13771 transitions. [2024-12-02 13:17:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 13:17:04,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:04,009 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:17:04,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:17:04,009 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:04,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:04,009 INFO L85 PathProgramCache]: Analyzing trace with hash -324936969, now seen corresponding path program 1 times [2024-12-02 13:17:04,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:04,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854411834] [2024-12-02 13:17:04,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:17:06,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:06,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854411834] [2024-12-02 13:17:06,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854411834] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:06,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:06,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:06,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612171652] [2024-12-02 13:17:06,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:06,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:06,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:06,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:06,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:06,477 INFO L87 Difference]: Start difference. First operand 10238 states and 13771 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:10,525 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 13:17:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:16,523 INFO L93 Difference]: Finished difference Result 20461 states and 27596 transitions. [2024-12-02 13:17:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:16,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 257 [2024-12-02 13:17:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:16,553 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:17:16,554 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:17:16,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:17:16,570 INFO L435 NwaCegarLoop]: 2407 mSDtfsCounter, 3044 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:16,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 3965 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 13:17:16,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:17:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:17:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2409375851730717) internal successors, (9106), 7457 states have internal predecessors, (9106), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:17:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13763 transitions. [2024-12-02 13:17:17,092 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13763 transitions. Word has length 257 [2024-12-02 13:17:17,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:17,092 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13763 transitions. [2024-12-02 13:17:17,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13763 transitions. [2024-12-02 13:17:17,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 13:17:17,097 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:17,097 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:17:17,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:17:17,097 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:17,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:17,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1470425181, now seen corresponding path program 1 times [2024-12-02 13:17:17,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:17,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871174067] [2024-12-02 13:17:17,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:17,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:17:19,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:19,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871174067] [2024-12-02 13:17:19,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871174067] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:19,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:19,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:19,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758589484] [2024-12-02 13:17:19,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:19,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:19,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:19,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:19,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:19,608 INFO L87 Difference]: Start difference. First operand 10238 states and 13763 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:23,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:17:29,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:29,671 INFO L93 Difference]: Finished difference Result 20461 states and 27580 transitions. [2024-12-02 13:17:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:29,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 258 [2024-12-02 13:17:29,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:29,708 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:17:29,708 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:17:29,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:17:29,729 INFO L435 NwaCegarLoop]: 2406 mSDtfsCounter, 3041 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 3963 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:29,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 3963 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 13:17:29,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:17:30,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:17:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2398473698555466) internal successors, (9098), 7457 states have internal predecessors, (9098), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:17:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13755 transitions. [2024-12-02 13:17:30,359 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13755 transitions. Word has length 258 [2024-12-02 13:17:30,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:30,360 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13755 transitions. [2024-12-02 13:17:30,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13755 transitions. [2024-12-02 13:17:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-12-02 13:17:30,364 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:30,364 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:17:30,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:17:30,365 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:30,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:30,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1406593587, now seen corresponding path program 1 times [2024-12-02 13:17:30,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:30,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80080495] [2024-12-02 13:17:30,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:30,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:17:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80080495] [2024-12-02 13:17:32,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80080495] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:32,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:32,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953324660] [2024-12-02 13:17:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:32,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:32,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:32,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:32,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:32,761 INFO L87 Difference]: Start difference. First operand 10238 states and 13755 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:36,820 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 13:17:42,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:42,841 INFO L93 Difference]: Finished difference Result 20461 states and 27564 transitions. [2024-12-02 13:17:42,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:42,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 259 [2024-12-02 13:17:42,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:42,891 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:17:42,892 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:17:42,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:17:42,910 INFO L435 NwaCegarLoop]: 2405 mSDtfsCounter, 3038 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:42,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 3961 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2024-12-02 13:17:42,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:17:43,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:17:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.2387571545380212) internal successors, (9090), 7457 states have internal predecessors, (9090), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:17:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13747 transitions. [2024-12-02 13:17:43,506 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13747 transitions. Word has length 259 [2024-12-02 13:17:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:43,506 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13747 transitions. [2024-12-02 13:17:43,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13747 transitions. [2024-12-02 13:17:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-12-02 13:17:43,511 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:43,511 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:17:43,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:17:43,511 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:43,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:43,512 INFO L85 PathProgramCache]: Analyzing trace with hash -457669223, now seen corresponding path program 1 times [2024-12-02 13:17:43,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:43,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294808322] [2024-12-02 13:17:43,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:43,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:17:45,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:45,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294808322] [2024-12-02 13:17:45,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294808322] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:45,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:45,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:45,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988208874] [2024-12-02 13:17:45,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:45,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:45,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:45,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:45,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:45,906 INFO L87 Difference]: Start difference. First operand 10238 states and 13747 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:49,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:17:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:55,920 INFO L93 Difference]: Finished difference Result 20461 states and 27548 transitions. [2024-12-02 13:17:55,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:55,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 260 [2024-12-02 13:17:55,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:55,963 INFO L225 Difference]: With dead ends: 20461 [2024-12-02 13:17:55,963 INFO L226 Difference]: Without dead ends: 10238 [2024-12-02 13:17:55,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:17:55,983 INFO L435 NwaCegarLoop]: 2404 mSDtfsCounter, 3035 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 3959 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:55,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 3959 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 13:17:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10238 states. [2024-12-02 13:17:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10238 to 10238. [2024-12-02 13:17:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 7338 states have (on average 1.237666939220496) internal successors, (9082), 7457 states have internal predecessors, (9082), 2321 states have call successors, (2321), 578 states have call predecessors, (2321), 577 states have return successors, (2336), 2292 states have call predecessors, (2336), 2321 states have call successors, (2336) [2024-12-02 13:17:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13739 transitions. [2024-12-02 13:17:56,675 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13739 transitions. Word has length 260 [2024-12-02 13:17:56,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:56,675 INFO L471 AbstractCegarLoop]: Abstraction has 10238 states and 13739 transitions. [2024-12-02 13:17:56,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:17:56,676 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13739 transitions. [2024-12-02 13:17:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-12-02 13:17:56,680 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:56,680 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:17:56,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 13:17:56,680 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:56,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:56,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1994242415, now seen corresponding path program 1 times [2024-12-02 13:17:56,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:56,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461818180] [2024-12-02 13:17:56,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:17:59,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:59,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461818180] [2024-12-02 13:17:59,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461818180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:59,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:59,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:59,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289691658] [2024-12-02 13:17:59,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:59,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:59,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:59,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:59,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:59,130 INFO L87 Difference]: Start difference. First operand 10238 states and 13739 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:18:03,178 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 13:18:16,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:16,479 INFO L93 Difference]: Finished difference Result 40811 states and 54964 transitions. [2024-12-02 13:18:16,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:18:16,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 261 [2024-12-02 13:18:16,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:16,562 INFO L225 Difference]: With dead ends: 40811 [2024-12-02 13:18:16,563 INFO L226 Difference]: Without dead ends: 30588 [2024-12-02 13:18:16,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:18:16,588 INFO L435 NwaCegarLoop]: 4771 mSDtfsCounter, 8462 mSDsluCounter, 3095 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 3368 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8464 SdHoareTripleChecker+Valid, 7866 SdHoareTripleChecker+Invalid, 5083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3368 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:16,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8464 Valid, 7866 Invalid, 5083 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3368 Valid, 1714 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2024-12-02 13:18:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30588 states. [2024-12-02 13:18:18,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30588 to 20401. [2024-12-02 13:18:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20401 states, 14616 states have (on average 1.2380952380952381) internal successors, (18096), 14861 states have internal predecessors, (18096), 4637 states have call successors, (4637), 1156 states have call predecessors, (4637), 1146 states have return successors, (4667), 4563 states have call predecessors, (4667), 4637 states have call successors, (4667) [2024-12-02 13:18:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20401 states to 20401 states and 27400 transitions. [2024-12-02 13:18:18,187 INFO L78 Accepts]: Start accepts. Automaton has 20401 states and 27400 transitions. Word has length 261 [2024-12-02 13:18:18,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:18,187 INFO L471 AbstractCegarLoop]: Abstraction has 20401 states and 27400 transitions. [2024-12-02 13:18:18,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:18:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20401 states and 27400 transitions. [2024-12-02 13:18:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-12-02 13:18:18,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:18,193 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:18:18,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:18:18,193 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:18,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:18,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2022871566, now seen corresponding path program 1 times [2024-12-02 13:18:18,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:18,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740408374] [2024-12-02 13:18:18,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:18,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 13:18:20,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:20,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740408374] [2024-12-02 13:18:20,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740408374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:20,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:20,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:20,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906358961] [2024-12-02 13:18:20,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:20,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:20,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:20,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:20,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:20,649 INFO L87 Difference]: Start difference. First operand 20401 states and 27400 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:18:21,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:21,974 INFO L93 Difference]: Finished difference Result 20429 states and 27437 transitions. [2024-12-02 13:18:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:18:21,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 261 [2024-12-02 13:18:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:22,134 INFO L225 Difference]: With dead ends: 20429 [2024-12-02 13:18:22,134 INFO L226 Difference]: Without dead ends: 20427 [2024-12-02 13:18:22,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:22,141 INFO L435 NwaCegarLoop]: 2404 mSDtfsCounter, 0 mSDsluCounter, 7208 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9612 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:22,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9612 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:22,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20427 states. [2024-12-02 13:18:23,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20427 to 20421. [2024-12-02 13:18:23,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20421 states, 14631 states have (on average 1.2375093978538718) internal successors, (18106), 14876 states have internal predecessors, (18106), 4637 states have call successors, (4637), 1156 states have call predecessors, (4637), 1151 states have return successors, (4677), 4568 states have call predecessors, (4677), 4637 states have call successors, (4677) [2024-12-02 13:18:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20421 states to 20421 states and 27420 transitions. [2024-12-02 13:18:23,603 INFO L78 Accepts]: Start accepts. Automaton has 20421 states and 27420 transitions. Word has length 261 [2024-12-02 13:18:23,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:23,603 INFO L471 AbstractCegarLoop]: Abstraction has 20421 states and 27420 transitions. [2024-12-02 13:18:23,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:18:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 20421 states and 27420 transitions. [2024-12-02 13:18:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-12-02 13:18:23,615 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:23,615 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 10, 10, 10, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:18:23,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:18:23,616 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:23,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:23,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1270730946, now seen corresponding path program 1 times [2024-12-02 13:18:23,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:23,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691234243] [2024-12-02 13:18:23,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2024-12-02 13:18:26,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:26,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691234243] [2024-12-02 13:18:26,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691234243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:26,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:26,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:18:26,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064261101] [2024-12-02 13:18:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:26,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:18:26,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:26,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:18:26,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:18:26,148 INFO L87 Difference]: Start difference. First operand 20421 states and 27420 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 13:18:30,208 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 13:18:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:32,544 INFO L93 Difference]: Finished difference Result 48943 states and 65467 transitions. [2024-12-02 13:18:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:32,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 358 [2024-12-02 13:18:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:32,628 INFO L225 Difference]: With dead ends: 48943 [2024-12-02 13:18:32,629 INFO L226 Difference]: Without dead ends: 28537 [2024-12-02 13:18:32,665 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 13:18:32,665 INFO L435 NwaCegarLoop]: 2422 mSDtfsCounter, 1838 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 4772 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:32,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 4772 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:18:32,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28537 states. [2024-12-02 13:18:35,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28537 to 28527. [2024-12-02 13:18:35,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28527 states, 20437 states have (on average 1.2311493859176983) internal successors, (25161), 20792 states have internal predecessors, (25161), 6373 states have call successors, (6373), 1720 states have call predecessors, (6373), 1715 states have return successors, (6445), 6270 states have call predecessors, (6445), 6373 states have call successors, (6445) [2024-12-02 13:18:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28527 states to 28527 states and 37979 transitions. [2024-12-02 13:18:35,222 INFO L78 Accepts]: Start accepts. Automaton has 28527 states and 37979 transitions. Word has length 358 [2024-12-02 13:18:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:35,222 INFO L471 AbstractCegarLoop]: Abstraction has 28527 states and 37979 transitions. [2024-12-02 13:18:35,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 13:18:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 28527 states and 37979 transitions. [2024-12-02 13:18:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-12-02 13:18:35,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:35,226 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:18:35,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 13:18:35,226 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:35,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:35,226 INFO L85 PathProgramCache]: Analyzing trace with hash -28857601, now seen corresponding path program 1 times [2024-12-02 13:18:35,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:35,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246066311] [2024-12-02 13:18:35,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-12-02 13:18:37,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:37,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246066311] [2024-12-02 13:18:37,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246066311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:37,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:37,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:18:37,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130391181] [2024-12-02 13:18:37,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:37,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:18:37,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:37,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:18:37,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:18:37,729 INFO L87 Difference]: Start difference. First operand 28527 states and 37979 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 13:18:41,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:18:45,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:45,187 INFO L93 Difference]: Finished difference Result 65533 states and 87288 transitions. [2024-12-02 13:18:45,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:45,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 407 [2024-12-02 13:18:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:45,302 INFO L225 Difference]: With dead ends: 65533 [2024-12-02 13:18:45,302 INFO L226 Difference]: Without dead ends: 37021 [2024-12-02 13:18:45,354 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 13:18:45,355 INFO L435 NwaCegarLoop]: 4231 mSDtfsCounter, 2180 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 6262 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:45,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 6262 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:18:45,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37021 states. [2024-12-02 13:18:48,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37021 to 37009. [2024-12-02 13:18:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37009 states, 26523 states have (on average 1.230290691098292) internal successors, (32631), 26984 states have internal predecessors, (32631), 8247 states have call successors, (8247), 2244 states have call predecessors, (8247), 2237 states have return successors, (8329), 8120 states have call predecessors, (8329), 8247 states have call successors, (8329) [2024-12-02 13:18:48,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37009 states to 37009 states and 49207 transitions. [2024-12-02 13:18:48,144 INFO L78 Accepts]: Start accepts. Automaton has 37009 states and 49207 transitions. Word has length 407 [2024-12-02 13:18:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:48,145 INFO L471 AbstractCegarLoop]: Abstraction has 37009 states and 49207 transitions. [2024-12-02 13:18:48,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 13:18:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 37009 states and 49207 transitions. [2024-12-02 13:18:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2024-12-02 13:18:48,149 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:48,149 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:18:48,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 13:18:48,149 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:48,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1294641943, now seen corresponding path program 1 times [2024-12-02 13:18:48,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:48,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637215632] [2024-12-02 13:18:48,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:48,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-12-02 13:18:50,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637215632] [2024-12-02 13:18:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637215632] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:50,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:18:50,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004005650] [2024-12-02 13:18:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:50,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:18:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:50,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:18:50,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:18:50,735 INFO L87 Difference]: Start difference. First operand 37009 states and 49207 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 13:18:54,785 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 13:18:59,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:59,030 INFO L93 Difference]: Finished difference Result 79611 states and 105861 transitions. [2024-12-02 13:18:59,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:59,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 497 [2024-12-02 13:18:59,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:59,183 INFO L225 Difference]: With dead ends: 79611 [2024-12-02 13:18:59,184 INFO L226 Difference]: Without dead ends: 42617 [2024-12-02 13:18:59,255 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 13:18:59,256 INFO L435 NwaCegarLoop]: 3763 mSDtfsCounter, 1832 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 6108 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:59,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 6108 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 13:18:59,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42617 states. [2024-12-02 13:19:02,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42617 to 42601. [2024-12-02 13:19:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42601 states, 30572 states have (on average 1.2298835535784378) internal successors, (37600), 31099 states have internal predecessors, (37600), 9439 states have call successors, (9439), 2596 states have call predecessors, (9439), 2588 states have return successors, (9525), 9293 states have call predecessors, (9525), 9439 states have call successors, (9525) [2024-12-02 13:19:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42601 states to 42601 states and 56564 transitions. [2024-12-02 13:19:02,582 INFO L78 Accepts]: Start accepts. Automaton has 42601 states and 56564 transitions. Word has length 497 [2024-12-02 13:19:02,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:02,582 INFO L471 AbstractCegarLoop]: Abstraction has 42601 states and 56564 transitions. [2024-12-02 13:19:02,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 13:19:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 42601 states and 56564 transitions. [2024-12-02 13:19:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2024-12-02 13:19:02,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:02,586 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:02,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 13:19:02,587 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:02,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:02,587 INFO L85 PathProgramCache]: Analyzing trace with hash 2127914791, now seen corresponding path program 1 times [2024-12-02 13:19:02,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:02,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251002437] [2024-12-02 13:19:02,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:02,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-12-02 13:19:05,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:05,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251002437] [2024-12-02 13:19:05,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251002437] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:05,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:05,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:19:05,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773558981] [2024-12-02 13:19:05,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:05,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:19:05,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:05,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:19:05,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:19:05,157 INFO L87 Difference]: Start difference. First operand 42601 states and 56564 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 13:19:09,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:19:12,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:12,840 INFO L93 Difference]: Finished difference Result 90891 states and 120695 transitions. [2024-12-02 13:19:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:19:12,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 497 [2024-12-02 13:19:12,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:13,013 INFO L225 Difference]: With dead ends: 90891 [2024-12-02 13:19:13,013 INFO L226 Difference]: Without dead ends: 48305 [2024-12-02 13:19:13,102 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 13:19:13,103 INFO L435 NwaCegarLoop]: 4231 mSDtfsCounter, 1845 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 6577 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:13,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 6577 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:19:13,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48305 states. [2024-12-02 13:19:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48305 to 48289. [2024-12-02 13:19:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48289 states, 34701 states have (on average 1.2295034725224057) internal successors, (42665), 35294 states have internal predecessors, (42665), 10639 states have call successors, (10639), 2956 states have call predecessors, (10639), 2947 states have return successors, (10729), 10474 states have call predecessors, (10729), 10639 states have call successors, (10729) [2024-12-02 13:19:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48289 states to 48289 states and 64033 transitions. [2024-12-02 13:19:16,725 INFO L78 Accepts]: Start accepts. Automaton has 48289 states and 64033 transitions. Word has length 497 [2024-12-02 13:19:16,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:16,725 INFO L471 AbstractCegarLoop]: Abstraction has 48289 states and 64033 transitions. [2024-12-02 13:19:16,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 13:19:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 48289 states and 64033 transitions. [2024-12-02 13:19:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2024-12-02 13:19:16,730 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:16,730 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:16,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:19:16,730 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:16,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:16,731 INFO L85 PathProgramCache]: Analyzing trace with hash -140458864, now seen corresponding path program 1 times [2024-12-02 13:19:16,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:16,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202420809] [2024-12-02 13:19:16,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:16,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 13:19:19,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:19,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202420809] [2024-12-02 13:19:19,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202420809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:19,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:19,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:19:19,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149954644] [2024-12-02 13:19:19,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:19,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:19:19,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:19,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:19:19,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:19,821 INFO L87 Difference]: Start difference. First operand 48289 states and 64033 transitions. Second operand has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:19:23,882 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 13:19:28,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:28,397 INFO L93 Difference]: Finished difference Result 103375 states and 136973 transitions. [2024-12-02 13:19:28,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:19:28,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) Word has length 538 [2024-12-02 13:19:28,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:28,587 INFO L225 Difference]: With dead ends: 103375 [2024-12-02 13:19:28,587 INFO L226 Difference]: Without dead ends: 55101 [2024-12-02 13:19:28,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:28,694 INFO L435 NwaCegarLoop]: 3908 mSDtfsCounter, 1894 mSDsluCounter, 10141 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1894 SdHoareTripleChecker+Valid, 14049 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:28,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1894 Valid, 14049 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 13:19:28,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55101 states. [2024-12-02 13:19:32,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55101 to 55069. [2024-12-02 13:19:32,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55069 states, 39504 states have (on average 1.2280781692993115) internal successors, (48514), 40193 states have internal predecessors, (48514), 12141 states have call successors, (12141), 3426 states have call predecessors, (12141), 3422 states have return successors, (12243), 11957 states have call predecessors, (12243), 12141 states have call successors, (12243) [2024-12-02 13:19:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55069 states to 55069 states and 72898 transitions. [2024-12-02 13:19:32,897 INFO L78 Accepts]: Start accepts. Automaton has 55069 states and 72898 transitions. Word has length 538 [2024-12-02 13:19:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:32,897 INFO L471 AbstractCegarLoop]: Abstraction has 55069 states and 72898 transitions. [2024-12-02 13:19:32,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 4 states have internal predecessors, (227), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:19:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 55069 states and 72898 transitions. [2024-12-02 13:19:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-12-02 13:19:32,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:32,905 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:19:32,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 13:19:32,905 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:32,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:32,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1721013399, now seen corresponding path program 1 times [2024-12-02 13:19:32,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078760070] [2024-12-02 13:19:32,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 13:19:35,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:35,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078760070] [2024-12-02 13:19:35,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078760070] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:35,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:35,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:19:35,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737824697] [2024-12-02 13:19:35,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:35,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:19:35,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:35,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:19:35,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:35,465 INFO L87 Difference]: Start difference. First operand 55069 states and 72898 transitions. Second operand has 5 states, 5 states have (on average 45.6) internal successors, (228), 4 states have internal predecessors, (228), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:19:39,526 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 13:19:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:44,948 INFO L93 Difference]: Finished difference Result 115803 states and 153283 transitions. [2024-12-02 13:19:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:19:45,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.6) internal successors, (228), 4 states have internal predecessors, (228), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) Word has length 539 [2024-12-02 13:19:45,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:45,286 INFO L225 Difference]: With dead ends: 115803 [2024-12-02 13:19:45,287 INFO L226 Difference]: Without dead ends: 60749 [2024-12-02 13:19:45,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:45,376 INFO L435 NwaCegarLoop]: 4238 mSDtfsCounter, 1839 mSDsluCounter, 10807 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 15045 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:45,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 15045 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 13:19:45,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60749 states. [2024-12-02 13:19:49,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60749 to 60717. [2024-12-02 13:19:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60717 states, 43577 states have (on average 1.2278725015489822) internal successors, (53507), 44332 states have internal predecessors, (53507), 13341 states have call successors, (13341), 3794 states have call predecessors, (13341), 3797 states have return successors, (13455), 13146 states have call predecessors, (13455), 13341 states have call successors, (13455) [2024-12-02 13:19:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60717 states to 60717 states and 80303 transitions. [2024-12-02 13:19:49,882 INFO L78 Accepts]: Start accepts. Automaton has 60717 states and 80303 transitions. Word has length 539 [2024-12-02 13:19:49,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:49,883 INFO L471 AbstractCegarLoop]: Abstraction has 60717 states and 80303 transitions. [2024-12-02 13:19:49,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.6) internal successors, (228), 4 states have internal predecessors, (228), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:19:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 60717 states and 80303 transitions. [2024-12-02 13:19:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2024-12-02 13:19:49,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:49,889 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:19:49,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 13:19:49,889 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:49,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:49,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1315027565, now seen corresponding path program 1 times [2024-12-02 13:19:49,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:49,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746293351] [2024-12-02 13:19:49,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:49,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 13:19:52,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:52,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746293351] [2024-12-02 13:19:52,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746293351] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:52,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:52,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:19:52,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990623897] [2024-12-02 13:19:52,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:52,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:19:52,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:52,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:19:52,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:52,561 INFO L87 Difference]: Start difference. First operand 60717 states and 80303 transitions. Second operand has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:19:56,617 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 13:20:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:02,031 INFO L93 Difference]: Finished difference Result 127027 states and 168045 transitions. [2024-12-02 13:20:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:20:02,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) Word has length 540 [2024-12-02 13:20:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:02,238 INFO L225 Difference]: With dead ends: 127027 [2024-12-02 13:20:02,238 INFO L226 Difference]: Without dead ends: 66325 [2024-12-02 13:20:02,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:20:02,342 INFO L435 NwaCegarLoop]: 4235 mSDtfsCounter, 1825 mSDsluCounter, 10810 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 15045 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:02,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 15045 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 13:20:02,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66325 states. [2024-12-02 13:20:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66325 to 66293. [2024-12-02 13:20:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66293 states, 47610 states have (on average 1.227893299726948) internal successors, (58460), 48431 states have internal predecessors, (58460), 14533 states have call successors, (14533), 4146 states have call predecessors, (14533), 4148 states have return successors, (14651), 14319 states have call predecessors, (14651), 14533 states have call successors, (14651) [2024-12-02 13:20:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66293 states to 66293 states and 87644 transitions. [2024-12-02 13:20:07,646 INFO L78 Accepts]: Start accepts. Automaton has 66293 states and 87644 transitions. Word has length 540 [2024-12-02 13:20:07,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:07,646 INFO L471 AbstractCegarLoop]: Abstraction has 66293 states and 87644 transitions. [2024-12-02 13:20:07,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:20:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 66293 states and 87644 transitions. [2024-12-02 13:20:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2024-12-02 13:20:07,652 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:07,652 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:20:07,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 13:20:07,652 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:07,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:07,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1082054343, now seen corresponding path program 1 times [2024-12-02 13:20:07,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:07,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131652480] [2024-12-02 13:20:07,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2024-12-02 13:20:10,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:10,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131652480] [2024-12-02 13:20:10,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131652480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:10,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:10,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:10,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218119682] [2024-12-02 13:20:10,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:10,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:10,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:10,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:10,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:10,107 INFO L87 Difference]: Start difference. First operand 66293 states and 87644 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:20:14,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:20:20,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:20,152 INFO L93 Difference]: Finished difference Result 139011 states and 183767 transitions. [2024-12-02 13:20:20,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:20:20,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 555 [2024-12-02 13:20:20,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:20,414 INFO L225 Difference]: With dead ends: 139011 [2024-12-02 13:20:20,414 INFO L226 Difference]: Without dead ends: 72733 [2024-12-02 13:20:20,541 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 13:20:20,541 INFO L435 NwaCegarLoop]: 4185 mSDtfsCounter, 1885 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 6530 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:20,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 6530 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:20:20,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72733 states. [2024-12-02 13:20:27,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72733 to 72717. [2024-12-02 13:20:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72717 states, 52181 states have (on average 1.2275157624422683) internal successors, (64053), 53092 states have internal predecessors, (64053), 15969 states have call successors, (15969), 4566 states have call predecessors, (15969), 4565 states have return successors, (16091), 15734 states have call predecessors, (16091), 15969 states have call successors, (16091) [2024-12-02 13:20:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72717 states to 72717 states and 96113 transitions. [2024-12-02 13:20:27,456 INFO L78 Accepts]: Start accepts. Automaton has 72717 states and 96113 transitions. Word has length 555 [2024-12-02 13:20:27,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:27,457 INFO L471 AbstractCegarLoop]: Abstraction has 72717 states and 96113 transitions. [2024-12-02 13:20:27,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:20:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 72717 states and 96113 transitions. [2024-12-02 13:20:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2024-12-02 13:20:27,472 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:27,472 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:20:27,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 13:20:27,472 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:27,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash -2066451829, now seen corresponding path program 1 times [2024-12-02 13:20:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:27,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272538878] [2024-12-02 13:20:27,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2024-12-02 13:20:30,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:30,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272538878] [2024-12-02 13:20:30,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272538878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:30,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:30,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:30,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301372200] [2024-12-02 13:20:30,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:30,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:30,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:30,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:30,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:30,398 INFO L87 Difference]: Start difference. First operand 72717 states and 96113 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:20:34,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:20:40,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:40,898 INFO L93 Difference]: Finished difference Result 151091 states and 199729 transitions. [2024-12-02 13:20:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:20:40,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 562 [2024-12-02 13:20:40,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:41,215 INFO L225 Difference]: With dead ends: 151091 [2024-12-02 13:20:41,215 INFO L226 Difference]: Without dead ends: 78389 [2024-12-02 13:20:41,347 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 13:20:41,347 INFO L435 NwaCegarLoop]: 4244 mSDtfsCounter, 1839 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 6592 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:41,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 6592 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:20:41,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78389 states. [2024-12-02 13:20:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78389 to 78373. [2024-12-02 13:20:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78373 states, 56278 states have (on average 1.227584491275454) internal successors, (69086), 57255 states have internal predecessors, (69086), 17169 states have call successors, (17169), 4926 states have call predecessors, (17169), 4924 states have return successors, (17295), 16915 states have call predecessors, (17295), 17169 states have call successors, (17295) [2024-12-02 13:20:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78373 states to 78373 states and 103550 transitions. [2024-12-02 13:20:47,611 INFO L78 Accepts]: Start accepts. Automaton has 78373 states and 103550 transitions. Word has length 562 [2024-12-02 13:20:47,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:47,612 INFO L471 AbstractCegarLoop]: Abstraction has 78373 states and 103550 transitions. [2024-12-02 13:20:47,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 13:20:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 78373 states and 103550 transitions. [2024-12-02 13:20:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2024-12-02 13:20:47,619 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:47,619 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:20:47,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 13:20:47,619 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:47,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:47,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1400792326, now seen corresponding path program 1 times [2024-12-02 13:20:47,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:47,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970082801] [2024-12-02 13:20:47,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:47,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-12-02 13:20:50,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:50,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970082801] [2024-12-02 13:20:50,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970082801] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:50,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:50,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:50,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112615661] [2024-12-02 13:20:50,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:50,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:50,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:50,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:50,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:50,197 INFO L87 Difference]: Start difference. First operand 78373 states and 103550 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 13:20:54,251 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 13:21:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:01,311 INFO L93 Difference]: Finished difference Result 162299 states and 214467 transitions. [2024-12-02 13:21:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:21:01,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 576 [2024-12-02 13:21:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:01,619 INFO L225 Difference]: With dead ends: 162299 [2024-12-02 13:21:01,619 INFO L226 Difference]: Without dead ends: 83941 [2024-12-02 13:21:01,768 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 13:21:01,768 INFO L435 NwaCegarLoop]: 4236 mSDtfsCounter, 1837 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 6577 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:01,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1837 Valid, 6577 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:21:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83941 states. [2024-12-02 13:21:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83941 to 83925. [2024-12-02 13:21:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83925 states, 60287 states have (on average 1.227710783419311) internal successors, (74015), 61330 states have internal predecessors, (74015), 18361 states have call successors, (18361), 5278 states have call predecessors, (18361), 5275 states have return successors, (18491), 18088 states have call predecessors, (18491), 18361 states have call successors, (18491) [2024-12-02 13:21:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83925 states to 83925 states and 110867 transitions. [2024-12-02 13:21:08,936 INFO L78 Accepts]: Start accepts. Automaton has 83925 states and 110867 transitions. Word has length 576 [2024-12-02 13:21:08,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:08,936 INFO L471 AbstractCegarLoop]: Abstraction has 83925 states and 110867 transitions. [2024-12-02 13:21:08,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 13:21:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 83925 states and 110867 transitions. [2024-12-02 13:21:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2024-12-02 13:21:08,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:08,943 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:21:08,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 13:21:08,944 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:08,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:08,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1295968087, now seen corresponding path program 1 times [2024-12-02 13:21:08,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:08,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400777688] [2024-12-02 13:21:08,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:08,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1123 trivial. 0 not checked. [2024-12-02 13:21:11,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:11,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400777688] [2024-12-02 13:21:11,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400777688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:11,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:11,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:21:11,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096757276] [2024-12-02 13:21:11,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:11,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:21:11,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:11,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:21:11,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:21:11,690 INFO L87 Difference]: Start difference. First operand 83925 states and 110867 transitions. Second operand has 5 states, 5 states have (on average 47.2) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 13:21:15,736 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 13:21:24,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:24,548 INFO L93 Difference]: Finished difference Result 174679 states and 230685 transitions. [2024-12-02 13:21:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:21:24,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 594 [2024-12-02 13:21:24,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:24,881 INFO L225 Difference]: With dead ends: 174679 [2024-12-02 13:21:24,881 INFO L226 Difference]: Without dead ends: 90769 [2024-12-02 13:21:25,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:21:25,042 INFO L435 NwaCegarLoop]: 3848 mSDtfsCounter, 1893 mSDsluCounter, 10021 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 13869 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:25,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 13869 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 13:21:25,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90769 states. [2024-12-02 13:21:32,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90769 to 85217. [2024-12-02 13:21:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85217 states, 61181 states have (on average 1.2272927869763488) internal successors, (75087), 62248 states have internal predecessors, (75087), 18637 states have call successors, (18637), 5394 states have call predecessors, (18637), 5397 states have return successors, (18775), 18370 states have call predecessors, (18775), 18637 states have call successors, (18775) [2024-12-02 13:21:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85217 states to 85217 states and 112499 transitions. [2024-12-02 13:21:32,383 INFO L78 Accepts]: Start accepts. Automaton has 85217 states and 112499 transitions. Word has length 594 [2024-12-02 13:21:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:32,384 INFO L471 AbstractCegarLoop]: Abstraction has 85217 states and 112499 transitions. [2024-12-02 13:21:32,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 13:21:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 85217 states and 112499 transitions. [2024-12-02 13:21:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2024-12-02 13:21:32,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:32,391 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:21:32,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 13:21:32,391 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:32,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1323187282, now seen corresponding path program 1 times [2024-12-02 13:21:32,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:32,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675346391] [2024-12-02 13:21:32,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:32,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2024-12-02 13:21:34,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:34,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675346391] [2024-12-02 13:21:34,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675346391] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:34,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:34,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:21:34,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246900931] [2024-12-02 13:21:34,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:34,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:21:34,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:34,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:21:34,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:21:34,991 INFO L87 Difference]: Start difference. First operand 85217 states and 112499 transitions. Second operand has 5 states, 5 states have (on average 47.2) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 13:21:39,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:21:46,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:46,515 INFO L93 Difference]: Finished difference Result 176107 states and 232485 transitions. [2024-12-02 13:21:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:21:46,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 595 [2024-12-02 13:21:46,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:46,885 INFO L225 Difference]: With dead ends: 176107 [2024-12-02 13:21:46,885 INFO L226 Difference]: Without dead ends: 90905 [2024-12-02 13:21:47,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:21:47,071 INFO L435 NwaCegarLoop]: 4236 mSDtfsCounter, 1838 mSDsluCounter, 10803 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 15039 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:47,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 15039 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 13:21:47,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90905 states. [2024-12-02 13:21:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90905 to 85313. [2024-12-02 13:21:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85313 states, 61245 states have (on average 1.2270552698179442) internal successors, (75151), 62312 states have internal predecessors, (75151), 18645 states have call successors, (18645), 5410 states have call predecessors, (18645), 5421 states have return successors, (18791), 18386 states have call predecessors, (18791), 18645 states have call successors, (18791) [2024-12-02 13:21:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85313 states to 85313 states and 112587 transitions. [2024-12-02 13:21:55,668 INFO L78 Accepts]: Start accepts. Automaton has 85313 states and 112587 transitions. Word has length 595 [2024-12-02 13:21:55,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:55,669 INFO L471 AbstractCegarLoop]: Abstraction has 85313 states and 112587 transitions. [2024-12-02 13:21:55,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 13:21:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 85313 states and 112587 transitions. [2024-12-02 13:21:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2024-12-02 13:21:55,680 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:55,680 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:21:55,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 13:21:55,681 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:55,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash -149066170, now seen corresponding path program 1 times [2024-12-02 13:21:55,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:55,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260282666] [2024-12-02 13:21:55,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2024-12-02 13:21:58,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:58,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260282666] [2024-12-02 13:21:58,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260282666] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:21:58,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417192776] [2024-12-02 13:21:58,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:21:58,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:21:58,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:21:58,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:22:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:02,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 5909 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:22:03,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:22:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2024-12-02 13:22:03,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:22:03,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417192776] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:22:03,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:22:03,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-12-02 13:22:03,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635174167] [2024-12-02 13:22:03,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:22:03,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:22:03,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:22:03,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:22:03,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:22:03,171 INFO L87 Difference]: Start difference. First operand 85313 states and 112587 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 13:22:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:22:09,229 INFO L93 Difference]: Finished difference Result 170953 states and 225802 transitions. [2024-12-02 13:22:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:22:09,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 596 [2024-12-02 13:22:09,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:22:09,562 INFO L225 Difference]: With dead ends: 170953 [2024-12-02 13:22:09,562 INFO L226 Difference]: Without dead ends: 85655 [2024-12-02 13:22:09,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:22:09,724 INFO L435 NwaCegarLoop]: 2417 mSDtfsCounter, 47 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 4770 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:22:09,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 4770 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:22:09,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85655 states. [2024-12-02 13:22:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85655 to 85655. [2024-12-02 13:22:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85655 states, 61511 states have (on average 1.2273089366129635) internal successors, (75493), 62578 states have internal predecessors, (75493), 18721 states have call successors, (18721), 5410 states have call predecessors, (18721), 5421 states have return successors, (18867), 18462 states have call predecessors, (18867), 18721 states have call successors, (18867) [2024-12-02 13:22:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85655 states to 85655 states and 113081 transitions. [2024-12-02 13:22:18,126 INFO L78 Accepts]: Start accepts. Automaton has 85655 states and 113081 transitions. Word has length 596 [2024-12-02 13:22:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:22:18,127 INFO L471 AbstractCegarLoop]: Abstraction has 85655 states and 113081 transitions. [2024-12-02 13:22:18,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 13:22:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 85655 states and 113081 transitions. [2024-12-02 13:22:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2024-12-02 13:22:18,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:22:18,134 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:22:18,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:22:18,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:22:18,335 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:22:18,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:22:18,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1408410361, now seen corresponding path program 1 times [2024-12-02 13:22:18,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:22:18,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870597091] [2024-12-02 13:22:18,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:18,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:22:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2024-12-02 13:22:21,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:22:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870597091] [2024-12-02 13:22:21,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870597091] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:22:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421965679] [2024-12-02 13:22:21,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:22:21,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:22:21,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:22:21,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:22:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:26,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 5877 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:22:26,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:22:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2024-12-02 13:22:26,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:22:26,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421965679] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:22:26,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:22:26,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-12-02 13:22:26,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44115464] [2024-12-02 13:22:26,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:22:26,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:22:26,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:22:26,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:22:26,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:22:26,782 INFO L87 Difference]: Start difference. First operand 85655 states and 113081 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 13:22:32,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:22:32,784 INFO L93 Difference]: Finished difference Result 172207 states and 227626 transitions. [2024-12-02 13:22:32,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:22:32,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 596 [2024-12-02 13:22:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:22:33,251 INFO L225 Difference]: With dead ends: 172207 [2024-12-02 13:22:33,252 INFO L226 Difference]: Without dead ends: 86567 [2024-12-02 13:22:33,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:22:33,405 INFO L435 NwaCegarLoop]: 2414 mSDtfsCounter, 13 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:22:33,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4816 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:22:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86567 states. [2024-12-02 13:22:39,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86567 to 85731. [2024-12-02 13:22:39,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85731 states, 61587 states have (on average 1.2270284313247926) internal successors, (75569), 62654 states have internal predecessors, (75569), 18721 states have call successors, (18721), 5410 states have call predecessors, (18721), 5421 states have return successors, (18867), 18462 states have call predecessors, (18867), 18721 states have call successors, (18867) [2024-12-02 13:22:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85731 states to 85731 states and 113157 transitions. [2024-12-02 13:22:40,366 INFO L78 Accepts]: Start accepts. Automaton has 85731 states and 113157 transitions. Word has length 596 [2024-12-02 13:22:40,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:22:40,367 INFO L471 AbstractCegarLoop]: Abstraction has 85731 states and 113157 transitions. [2024-12-02 13:22:40,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 13:22:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 85731 states and 113157 transitions. [2024-12-02 13:22:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2024-12-02 13:22:40,374 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:22:40,374 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:22:40,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:22:40,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-12-02 13:22:40,575 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:22:40,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:22:40,576 INFO L85 PathProgramCache]: Analyzing trace with hash 563892185, now seen corresponding path program 1 times [2024-12-02 13:22:40,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:22:40,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004311197] [2024-12-02 13:22:40,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:22:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2024-12-02 13:22:43,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:22:43,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004311197] [2024-12-02 13:22:43,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004311197] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:22:43,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88830191] [2024-12-02 13:22:43,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:43,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:22:43,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:22:43,565 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:22:43,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:22:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:48,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 5929 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:22:48,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:22:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2024-12-02 13:22:48,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:22:48,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88830191] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:22:48,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:22:48,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-12-02 13:22:48,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001678688] [2024-12-02 13:22:48,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:22:48,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:22:48,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:22:48,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:22:48,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:22:48,259 INFO L87 Difference]: Start difference. First operand 85731 states and 113157 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 13:22:54,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:22:54,530 INFO L93 Difference]: Finished difference Result 171713 states and 226790 transitions. [2024-12-02 13:22:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:22:54,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 601 [2024-12-02 13:22:54,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:22:54,880 INFO L225 Difference]: With dead ends: 171713 [2024-12-02 13:22:54,880 INFO L226 Difference]: Without dead ends: 85997 [2024-12-02 13:22:55,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:22:55,035 INFO L435 NwaCegarLoop]: 2405 mSDtfsCounter, 2 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4800 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:22:55,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4800 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:22:55,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85997 states. [2024-12-02 13:23:03,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85997 to 85997. [2024-12-02 13:23:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85997 states, 61815 states have (on average 1.2268057914745611) internal successors, (75835), 62882 states have internal predecessors, (75835), 18759 states have call successors, (18759), 5410 states have call predecessors, (18759), 5421 states have return successors, (18905), 18500 states have call predecessors, (18905), 18759 states have call successors, (18905) [2024-12-02 13:23:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85997 states to 85997 states and 113499 transitions. [2024-12-02 13:23:03,786 INFO L78 Accepts]: Start accepts. Automaton has 85997 states and 113499 transitions. Word has length 601 [2024-12-02 13:23:03,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:03,787 INFO L471 AbstractCegarLoop]: Abstraction has 85997 states and 113499 transitions. [2024-12-02 13:23:03,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 13:23:03,787 INFO L276 IsEmpty]: Start isEmpty. Operand 85997 states and 113499 transitions. [2024-12-02 13:23:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2024-12-02 13:23:03,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:03,794 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 13:23:03,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:23:03,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-12-02 13:23:03,995 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:03,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:03,995 INFO L85 PathProgramCache]: Analyzing trace with hash 337187030, now seen corresponding path program 1 times [2024-12-02 13:23:03,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:03,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359209641] [2024-12-02 13:23:03,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2024-12-02 13:23:07,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:07,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359209641] [2024-12-02 13:23:07,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359209641] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:23:07,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49206282] [2024-12-02 13:23:07,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:07,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:23:07,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:23:07,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:23:07,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:23:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:11,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 5899 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:23:11,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:23:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2024-12-02 13:23:12,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:23:12,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49206282] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:12,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:23:12,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-12-02 13:23:12,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170852377] [2024-12-02 13:23:12,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:12,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:23:12,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:12,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:23:12,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:23:12,234 INFO L87 Difference]: Start difference. First operand 85997 states and 113499 transitions. Second operand has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (55), 3 states have call predecessors, (55), 4 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 13:23:16,290 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 13:23:23,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:23,564 INFO L93 Difference]: Finished difference Result 177671 states and 234573 transitions. [2024-12-02 13:23:23,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:23:23,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (55), 3 states have call predecessors, (55), 4 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 603 [2024-12-02 13:23:23,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:23,955 INFO L225 Difference]: With dead ends: 177671 [2024-12-02 13:23:23,955 INFO L226 Difference]: Without dead ends: 91689 [2024-12-02 13:23:24,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:23:24,117 INFO L435 NwaCegarLoop]: 3617 mSDtfsCounter, 2222 mSDsluCounter, 9222 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 12839 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:24,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 12839 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 13:23:24,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91689 states. [2024-12-02 13:23:31,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91689 to 91657. [2024-12-02 13:23:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91657 states, 65926 states have (on average 1.2275581712829535) internal successors, (80928), 67059 states have internal predecessors, (80928), 19957 states have call successors, (19957), 5762 states have call predecessors, (19957), 5772 states have return successors, (20107), 19679 states have call predecessors, (20107), 19957 states have call successors, (20107) [2024-12-02 13:23:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91657 states to 91657 states and 120992 transitions. [2024-12-02 13:23:31,675 INFO L78 Accepts]: Start accepts. Automaton has 91657 states and 120992 transitions. Word has length 603 [2024-12-02 13:23:31,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:31,675 INFO L471 AbstractCegarLoop]: Abstraction has 91657 states and 120992 transitions. [2024-12-02 13:23:31,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (55), 3 states have call predecessors, (55), 4 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 13:23:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 91657 states and 120992 transitions. [2024-12-02 13:23:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2024-12-02 13:23:31,682 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:31,682 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:31,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 13:23:31,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84eb302-80a4-44a4-8d8f-bd07f7ddb03f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:23:31,883 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:31,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:31,883 INFO L85 PathProgramCache]: Analyzing trace with hash -120347521, now seen corresponding path program 1 times [2024-12-02 13:23:31,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:31,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743260317] [2024-12-02 13:23:31,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:31,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-12-02 13:23:35,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:35,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743260317] [2024-12-02 13:23:35,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743260317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:35,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:35,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:35,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768452045] [2024-12-02 13:23:35,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:35,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:35,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:35,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:35,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:35,264 INFO L87 Difference]: Start difference. First operand 91657 states and 120992 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 13:23:39,313 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 13:23:46,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:23:46,829 INFO L93 Difference]: Finished difference Result 188855 states and 249303 transitions. [2024-12-02 13:23:46,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:23:46,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 614 [2024-12-02 13:23:46,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:23:47,234 INFO L225 Difference]: With dead ends: 188855 [2024-12-02 13:23:47,234 INFO L226 Difference]: Without dead ends: 97213 [2024-12-02 13:23:47,399 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 13:23:47,399 INFO L435 NwaCegarLoop]: 4231 mSDtfsCounter, 1823 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 6578 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:23:47,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 6578 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:23:47,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97213 states. [2024-12-02 13:23:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97213 to 97197. [2024-12-02 13:23:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97197 states, 69917 states have (on average 1.2278129782456342) internal successors, (85845), 71116 states have internal predecessors, (85845), 21155 states have call successors, (21155), 6114 states have call predecessors, (21155), 6123 states have return successors, (21309), 20858 states have call predecessors, (21309), 21155 states have call successors, (21309) [2024-12-02 13:23:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97197 states to 97197 states and 128309 transitions. [2024-12-02 13:23:55,986 INFO L78 Accepts]: Start accepts. Automaton has 97197 states and 128309 transitions. Word has length 614 [2024-12-02 13:23:55,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:23:55,987 INFO L471 AbstractCegarLoop]: Abstraction has 97197 states and 128309 transitions. [2024-12-02 13:23:55,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 13:23:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 97197 states and 128309 transitions. [2024-12-02 13:23:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2024-12-02 13:23:55,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:23:55,996 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 13, 13, 13, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:23:55,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 13:23:55,996 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:23:55,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:55,997 INFO L85 PathProgramCache]: Analyzing trace with hash -404061875, now seen corresponding path program 1 times [2024-12-02 13:23:55,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:55,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203346654] [2024-12-02 13:23:55,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:23:55,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:23:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-12-02 13:23:58,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:58,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203346654] [2024-12-02 13:23:58,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203346654] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:23:58,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:23:58,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:23:58,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675417991] [2024-12-02 13:23:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:23:58,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:23:58,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:58,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:23:58,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:23:58,504 INFO L87 Difference]: Start difference. First operand 97197 states and 128309 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2024-12-02 13:24:02,556 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 13:24:10,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:10,490 INFO L93 Difference]: Finished difference Result 202897 states and 268016 transitions. [2024-12-02 13:24:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:24:10,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 619 [2024-12-02 13:24:10,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:10,975 INFO L225 Difference]: With dead ends: 202897 [2024-12-02 13:24:10,975 INFO L226 Difference]: Without dead ends: 105715 [2024-12-02 13:24:11,159 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 13:24:11,160 INFO L435 NwaCegarLoop]: 3550 mSDtfsCounter, 1844 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 5893 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:24:11,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 5893 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 13:24:11,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105715 states. [2024-12-02 13:24:20,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105715 to 105703. [2024-12-02 13:24:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105703 states, 76011 states have (on average 1.228072252700267) internal successors, (93347), 77320 states have internal predecessors, (93347), 23075 states have call successors, (23075), 6608 states have call predecessors, (23075), 6615 states have return successors, (23247), 22750 states have call predecessors, (23247), 23075 states have call successors, (23247) [2024-12-02 13:24:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105703 states to 105703 states and 139669 transitions. [2024-12-02 13:24:21,085 INFO L78 Accepts]: Start accepts. Automaton has 105703 states and 139669 transitions. Word has length 619 [2024-12-02 13:24:21,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:24:21,086 INFO L471 AbstractCegarLoop]: Abstraction has 105703 states and 139669 transitions. [2024-12-02 13:24:21,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2024-12-02 13:24:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 105703 states and 139669 transitions. [2024-12-02 13:24:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2024-12-02 13:24:21,093 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:21,094 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 13, 13, 13, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:24:21,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 13:24:21,094 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:21,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:21,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1095206649, now seen corresponding path program 1 times [2024-12-02 13:24:21,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:24:21,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050305694] [2024-12-02 13:24:21,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:21,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:24:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2024-12-02 13:24:23,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:24:23,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050305694] [2024-12-02 13:24:23,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050305694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:24:23,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:24:23,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:24:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870837952] [2024-12-02 13:24:23,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:24:23,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:24:23,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:24:23,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:24:23,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:24:23,637 INFO L87 Difference]: Start difference. First operand 105703 states and 139669 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:24:31,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:31,536 INFO L93 Difference]: Finished difference Result 211579 states and 279750 transitions. [2024-12-02 13:24:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:24:31,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 620 [2024-12-02 13:24:31,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:32,161 INFO L225 Difference]: With dead ends: 211579 [2024-12-02 13:24:32,162 INFO L226 Difference]: Without dead ends: 105891 [2024-12-02 13:24:32,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:24:32,376 INFO L435 NwaCegarLoop]: 2403 mSDtfsCounter, 1 mSDsluCounter, 4792 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7195 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:24:32,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7195 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:24:32,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105891 states. [2024-12-02 13:24:41,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105891 to 105803. [2024-12-02 13:24:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105803 states, 76111 states have (on average 1.2277725952884602) internal successors, (93447), 77420 states have internal predecessors, (93447), 23075 states have call successors, (23075), 6608 states have call predecessors, (23075), 6615 states have return successors, (23247), 22750 states have call predecessors, (23247), 23075 states have call successors, (23247) [2024-12-02 13:24:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105803 states to 105803 states and 139769 transitions. [2024-12-02 13:24:42,333 INFO L78 Accepts]: Start accepts. Automaton has 105803 states and 139769 transitions. Word has length 620 [2024-12-02 13:24:42,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:24:42,334 INFO L471 AbstractCegarLoop]: Abstraction has 105803 states and 139769 transitions. [2024-12-02 13:24:42,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:24:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 105803 states and 139769 transitions. [2024-12-02 13:24:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2024-12-02 13:24:42,343 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:42,343 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:24:42,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 13:24:42,343 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:42,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:42,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1513860806, now seen corresponding path program 1 times [2024-12-02 13:24:42,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:24:42,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573617914] [2024-12-02 13:24:42,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:42,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:24:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2024-12-02 13:24:45,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:24:45,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573617914] [2024-12-02 13:24:45,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573617914] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:24:45,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:24:45,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:24:45,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64829947] [2024-12-02 13:24:45,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:24:45,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:24:45,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:24:45,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:24:45,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:24:45,721 INFO L87 Difference]: Start difference. First operand 105803 states and 139769 transitions. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 13:24:53,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:53,087 INFO L93 Difference]: Finished difference Result 211691 states and 279812 transitions. [2024-12-02 13:24:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:24:53,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 692 [2024-12-02 13:24:53,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:53,572 INFO L225 Difference]: With dead ends: 211691 [2024-12-02 13:24:53,572 INFO L226 Difference]: Without dead ends: 105903 [2024-12-02 13:24:53,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:24:53,774 INFO L435 NwaCegarLoop]: 2404 mSDtfsCounter, 0 mSDsluCounter, 4802 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7206 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 13:24:53,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7206 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:24:53,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105903 states. [2024-12-02 13:25:02,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105903 to 105903. [2024-12-02 13:25:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105903 states, 76211 states have (on average 1.227473724265526) internal successors, (93547), 77520 states have internal predecessors, (93547), 23075 states have call successors, (23075), 6608 states have call predecessors, (23075), 6615 states have return successors, (23247), 22750 states have call predecessors, (23247), 23075 states have call successors, (23247) [2024-12-02 13:25:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105903 states to 105903 states and 139869 transitions. [2024-12-02 13:25:03,444 INFO L78 Accepts]: Start accepts. Automaton has 105903 states and 139869 transitions. Word has length 692 [2024-12-02 13:25:03,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:25:03,445 INFO L471 AbstractCegarLoop]: Abstraction has 105903 states and 139869 transitions. [2024-12-02 13:25:03,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 13:25:03,445 INFO L276 IsEmpty]: Start isEmpty. Operand 105903 states and 139869 transitions. [2024-12-02 13:25:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2024-12-02 13:25:03,455 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:25:03,455 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:25:03,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 13:25:03,455 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:25:03,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:25:03,456 INFO L85 PathProgramCache]: Analyzing trace with hash 649755768, now seen corresponding path program 1 times [2024-12-02 13:25:03,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:25:03,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902373864] [2024-12-02 13:25:03,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:25:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:25:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:25:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2024-12-02 13:25:06,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:25:06,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902373864] [2024-12-02 13:25:06,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902373864] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:25:06,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:25:06,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:25:06,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631182672] [2024-12-02 13:25:06,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:25:06,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:25:06,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:25:06,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:25:06,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:25:06,261 INFO L87 Difference]: Start difference. First operand 105903 states and 139869 transitions. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 13:25:13,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:25:13,455 INFO L93 Difference]: Finished difference Result 211979 states and 280150 transitions. [2024-12-02 13:25:13,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:25:13,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 692 [2024-12-02 13:25:13,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:25:13,946 INFO L225 Difference]: With dead ends: 211979 [2024-12-02 13:25:13,946 INFO L226 Difference]: Without dead ends: 106091 [2024-12-02 13:25:14,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:25:14,151 INFO L435 NwaCegarLoop]: 2406 mSDtfsCounter, 1 mSDsluCounter, 4796 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7202 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:25:14,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7202 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:25:14,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106091 states. [2024-12-02 13:25:21,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106091 to 106003. [2024-12-02 13:25:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106003 states, 76311 states have (on average 1.2271756365399484) internal successors, (93647), 77620 states have internal predecessors, (93647), 23075 states have call successors, (23075), 6608 states have call predecessors, (23075), 6615 states have return successors, (23247), 22750 states have call predecessors, (23247), 23075 states have call successors, (23247) [2024-12-02 13:25:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106003 states to 106003 states and 139969 transitions. [2024-12-02 13:25:22,276 INFO L78 Accepts]: Start accepts. Automaton has 106003 states and 139969 transitions. Word has length 692 [2024-12-02 13:25:22,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:25:22,277 INFO L471 AbstractCegarLoop]: Abstraction has 106003 states and 139969 transitions. [2024-12-02 13:25:22,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 13:25:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 106003 states and 139969 transitions. [2024-12-02 13:25:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2024-12-02 13:25:22,287 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:25:22,287 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:25:22,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 13:25:22,288 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:25:22,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:25:22,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2024345337, now seen corresponding path program 1 times [2024-12-02 13:25:22,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:25:22,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185955775] [2024-12-02 13:25:22,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:25:22,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:25:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:25:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1732 trivial. 0 not checked. [2024-12-02 13:25:25,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:25:25,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185955775] [2024-12-02 13:25:25,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185955775] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:25:25,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:25:25,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:25:25,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690171445] [2024-12-02 13:25:25,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:25:25,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:25:25,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:25:25,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:25:25,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:25:25,484 INFO L87 Difference]: Start difference. First operand 106003 states and 139969 transitions. Second operand has 5 states, 5 states have (on average 49.0) internal successors, (245), 4 states have internal predecessors, (245), 1 states have call successors, (61), 1 states have call predecessors, (61), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56) [2024-12-02 13:25:33,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:25:33,241 INFO L93 Difference]: Finished difference Result 106159 states and 140175 transitions. [2024-12-02 13:25:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:25:33,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 4 states have internal predecessors, (245), 1 states have call successors, (61), 1 states have call predecessors, (61), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56) Word has length 768 [2024-12-02 13:25:33,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:25:33,733 INFO L225 Difference]: With dead ends: 106159 [2024-12-02 13:25:33,733 INFO L226 Difference]: Without dead ends: 106157 [2024-12-02 13:25:33,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:25:33,772 INFO L435 NwaCegarLoop]: 2404 mSDtfsCounter, 0 mSDsluCounter, 7208 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9612 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:25:33,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9612 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:25:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106157 states. [2024-12-02 13:25:41,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106157 to 106157. [2024-12-02 13:25:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106157 states, 76439 states have (on average 1.2261280236528473) internal successors, (93724), 77723 states have internal predecessors, (93724), 23075 states have call successors, (23075), 6608 states have call predecessors, (23075), 6641 states have return successors, (23273), 22801 states have call predecessors, (23273), 23075 states have call successors, (23273) [2024-12-02 13:25:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106157 states to 106157 states and 140072 transitions. [2024-12-02 13:25:42,426 INFO L78 Accepts]: Start accepts. Automaton has 106157 states and 140072 transitions. Word has length 768 [2024-12-02 13:25:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:25:42,427 INFO L471 AbstractCegarLoop]: Abstraction has 106157 states and 140072 transitions. [2024-12-02 13:25:42,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 4 states have internal predecessors, (245), 1 states have call successors, (61), 1 states have call predecessors, (61), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56) [2024-12-02 13:25:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 106157 states and 140072 transitions. [2024-12-02 13:25:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2024-12-02 13:25:42,480 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:25:42,481 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 20, 20, 20, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:25:42,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 13:25:42,481 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:25:42,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:25:42,482 INFO L85 PathProgramCache]: Analyzing trace with hash -334220036, now seen corresponding path program 1 times [2024-12-02 13:25:42,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:25:42,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300698654] [2024-12-02 13:25:42,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:25:42,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms