./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/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 c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:25:47,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:25:48,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:25:48,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:25:48,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:25:48,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:25:48,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:25:48,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:25:48,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:25:48,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:25:48,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:25:48,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:25:48,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:25:48,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:25:48,069 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:25:48,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:25:48,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:25:48,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:25:48,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:25:48,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:25:48,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:25:48,070 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:25:48,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:25:48,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:25:48,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:25:48,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:25:48,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:25:48,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:25:48,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:25:48,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:25:48,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:25:48,072 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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/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 -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2024-12-02 15:25:48,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:25:48,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:25:48,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:25:48,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:25:48,292 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:25:48,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 15:25:50,979 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/data/39f3b2a3c/5c8dd9c511ed4759814d62a55c7d5c1e/FLAG3dad0fe1e [2024-12-02 15:25:51,452 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:25:51,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 15:25:51,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/data/39f3b2a3c/5c8dd9c511ed4759814d62a55c7d5c1e/FLAG3dad0fe1e [2024-12-02 15:25:51,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/data/39f3b2a3c/5c8dd9c511ed4759814d62a55c7d5c1e [2024-12-02 15:25:51,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:25:51,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:25:51,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:25:51,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:25:51,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:25:51,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:25:51" (1/1) ... [2024-12-02 15:25:51,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6974d90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:51, skipping insertion in model container [2024-12-02 15:25:51,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:25:51" (1/1) ... [2024-12-02 15:25:51,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:25:53,943 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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2024-12-02 15:25:53,946 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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2024-12-02 15:25:53,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:25:53,993 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:25:54,094 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"); [5296] [2024-12-02 15:25:54,096 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)); [5303] [2024-12-02 15:25:54,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5310] [2024-12-02 15:25:54,099 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)); [5365-5366] [2024-12-02 15:25:54,099 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"); [5371-5373] [2024-12-02 15:25:54,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5478] [2024-12-02 15:25:54,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5486] [2024-12-02 15:25:54,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5493] [2024-12-02 15:25:54,105 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)); [5606-5607] [2024-12-02 15:25:54,107 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)); [5640-5641] [2024-12-02 15:25:54,108 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)); [5681-5682] [2024-12-02 15:25:54,109 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)); [5710-5711] [2024-12-02 15:25:54,110 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)); [5747-5748] [2024-12-02 15:25:54,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5784-5785] [2024-12-02 15:25:54,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6722] [2024-12-02 15:25:54,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2024-12-02 15:25:54,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7503] [2024-12-02 15:25:54,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7518] [2024-12-02 15:25:54,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8304] [2024-12-02 15:25:54,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8337] [2024-12-02 15:25:54,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8360] [2024-12-02 15:25:54,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8601] [2024-12-02 15:25:54,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8631] [2024-12-02 15:25:54,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8644] [2024-12-02 15:25:54,298 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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2024-12-02 15:25:54,298 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_391e7a09-f0e3-41a1-8a35-204f4663eaeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2024-12-02 15:25:54,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:25:54,434 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:25:54,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54 WrapperNode [2024-12-02 15:25:54,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:25:54,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:25:54,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:25:54,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:25:54,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:54,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:54,665 INFO L138 Inliner]: procedures = 443, calls = 2250, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 6231 [2024-12-02 15:25:54,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:25:54,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:25:54,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:25:54,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:25:54,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:54,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:54,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,643 INFO L175 MemorySlicer]: Split 992 memory accesses to 20 slices as follows [1, 776, 2, 2, 4, 4, 2, 7, 71, 7, 10, 54, 7, 4, 3, 15, 7, 8, 7, 1]. 78 percent of accesses are in the largest equivalence class. The 92 initializations are split as follows [0, 30, 0, 0, 0, 4, 2, 0, 0, 7, 6, 0, 0, 4, 1, 15, 7, 8, 7, 1]. The 443 writes are split as follows [0, 319, 1, 1, 4, 0, 0, 2, 71, 0, 1, 42, 2, 0, 0, 0, 0, 0, 0, 0]. [2024-12-02 15:25:55,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:25:55,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:25:55,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:25:55,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:25:55,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (1/1) ... [2024-12-02 15:25:55,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:25:55,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:25:55,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:25:55,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391e7a09-f0e3-41a1-8a35-204f4663eaeb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:25:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-12-02 15:25:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-12-02 15:25:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-12-02 15:25:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-12-02 15:25:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 15:25:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 15:25:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:25:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:25:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-12-02 15:25:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2024-12-02 15:25:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-12-02 15:25:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:25:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 15:25:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 15:25:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 15:25:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 15:25:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-12-02 15:25:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-12-02 15:25:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 15:25:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 15:25:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:25:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 15:25:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-12-02 15:25:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:25:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:25:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:25:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:25:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 15:25:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:25:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:25:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:25:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-12-02 15:25:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 15:25:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 15:25:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 15:25:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 15:25:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:25:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:25:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 15:25:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 15:25:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 15:25:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 15:25:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 15:25:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-12-02 15:25:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:25:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-12-02 15:25:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 15:25:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 15:25:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 15:25:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 15:25:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 15:25:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 15:25:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 15:25:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 15:25:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 15:25:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 15:25:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 15:25:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 15:25:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 15:25:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 15:25:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 15:25:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 15:25:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 15:25:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 15:25:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-12-02 15:25:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-12-02 15:25:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:25:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:25:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 15:25:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:25:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:25:55,942 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 15:25:55,942 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 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 15:25:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 15:25:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 15:25:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 15:25:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-12-02 15:25:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 15:25:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 15:25:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-12-02 15:25:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 15:25:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 15:25:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 15:25:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-12-02 15:25:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-12-02 15:25:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-12-02 15:25:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-12-02 15:25:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 15:25:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 15:25:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:25:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:25:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-12-02 15:25:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 15:25:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:25:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 15:25:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:25:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:25:55,949 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 15:25:55,949 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 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-12-02 15:25:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 15:25:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:25:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-12-02 15:25:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 15:25:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-12-02 15:25:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-12-02 15:25:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-12-02 15:25:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-12-02 15:25:56,782 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:25:56,786 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:25:56,950 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:26:07,769 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 15:26:09,008 INFO L? ?]: Removed 2849 outVars from TransFormulas that were not future-live. [2024-12-02 15:26:09,008 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:26:09,053 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:26:09,054 INFO L312 CfgBuilder]: Removed 21 assume(true) statements. [2024-12-02 15:26:09,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:26:09 BoogieIcfgContainer [2024-12-02 15:26:09,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:26:09,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:26:09,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:26:09,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:26:09,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:25:51" (1/3) ... [2024-12-02 15:26:09,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6715dc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:26:09, skipping insertion in model container [2024-12-02 15:26:09,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:54" (2/3) ... [2024-12-02 15:26:09,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6715dc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:26:09, skipping insertion in model container [2024-12-02 15:26:09,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:26:09" (3/3) ... [2024-12-02 15:26:09,063 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 15:26:09,078 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:26:09,080 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i that has 131 procedures, 2896 locations, 1 initial locations, 43 loop locations, and 1 error locations. [2024-12-02 15:26:09,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:26:09,195 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;@1dfe965e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:26:09,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:26:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 2727 states, 1995 states have (on average 1.3729323308270676) internal successors, (2739), 2029 states have internal predecessors, (2739), 639 states have call successors, (639), 93 states have call predecessors, (639), 92 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) [2024-12-02 15:26:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 15:26:09,229 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:09,230 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:09,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:26:09,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:09,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1191273191, now seen corresponding path program 1 times [2024-12-02 15:26:09,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:09,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735651109] [2024-12-02 15:26:09,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:09,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:26:15,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735651109] [2024-12-02 15:26:15,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735651109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:15,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:15,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:26:15,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933916764] [2024-12-02 15:26:15,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:15,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:26:15,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:15,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:26:15,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:26:15,125 INFO L87 Difference]: Start difference. First operand has 2727 states, 1995 states have (on average 1.3729323308270676) internal successors, (2739), 2029 states have internal predecessors, (2739), 639 states have call successors, (639), 93 states have call predecessors, (639), 92 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:26:15,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:15,312 INFO L93 Difference]: Finished difference Result 5423 states and 8087 transitions. [2024-12-02 15:26:15,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:26:15,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 156 [2024-12-02 15:26:15,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:15,344 INFO L225 Difference]: With dead ends: 5423 [2024-12-02 15:26:15,344 INFO L226 Difference]: Without dead ends: 2676 [2024-12-02 15:26:15,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:26:15,362 INFO L435 NwaCegarLoop]: 3959 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3959 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:15,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3959 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2024-12-02 15:26:15,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2676. [2024-12-02 15:26:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 1974 states have (on average 1.3490374873353597) internal successors, (2663), 2007 states have internal predecessors, (2663), 611 states have call successors, (611), 90 states have call predecessors, (611), 90 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2024-12-02 15:26:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3885 transitions. [2024-12-02 15:26:15,550 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3885 transitions. Word has length 156 [2024-12-02 15:26:15,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:15,552 INFO L471 AbstractCegarLoop]: Abstraction has 2676 states and 3885 transitions. [2024-12-02 15:26:15,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:26:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3885 transitions. [2024-12-02 15:26:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:26:15,563 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:15,563 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:15,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:26:15,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:26:15,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash -795447240, now seen corresponding path program 1 times [2024-12-02 15:26:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:15,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959287708] [2024-12-02 15:26:15,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:15,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:26:20,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:20,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959287708] [2024-12-02 15:26:20,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959287708] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:20,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:20,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:20,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484538451] [2024-12-02 15:26:20,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:20,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:20,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:20,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:20,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:20,850 INFO L87 Difference]: Start difference. First operand 2676 states and 3885 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:26:24,918 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 15:26:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:26,045 INFO L93 Difference]: Finished difference Result 7363 states and 10719 transitions. [2024-12-02 15:26:26,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:26,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 157 [2024-12-02 15:26:26,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:26,070 INFO L225 Difference]: With dead ends: 7363 [2024-12-02 15:26:26,070 INFO L226 Difference]: Without dead ends: 4708 [2024-12-02 15:26:26,081 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 15:26:26,082 INFO L435 NwaCegarLoop]: 3889 mSDtfsCounter, 2941 mSDsluCounter, 3829 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 7718 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:26,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 7718 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 15:26:26,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4708 states. [2024-12-02 15:26:26,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4708 to 4705. [2024-12-02 15:26:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4705 states, 3468 states have (on average 1.352076124567474) internal successors, (4689), 3527 states have internal predecessors, (4689), 1078 states have call successors, (1078), 158 states have call predecessors, (1078), 158 states have return successors, (1078), 1059 states have call predecessors, (1078), 1078 states have call successors, (1078) [2024-12-02 15:26:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4705 states to 4705 states and 6845 transitions. [2024-12-02 15:26:26,250 INFO L78 Accepts]: Start accepts. Automaton has 4705 states and 6845 transitions. Word has length 157 [2024-12-02 15:26:26,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:26,250 INFO L471 AbstractCegarLoop]: Abstraction has 4705 states and 6845 transitions. [2024-12-02 15:26:26,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:26:26,251 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 6845 transitions. [2024-12-02 15:26:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 15:26:26,255 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:26,255 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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 15:26:26,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:26:26,256 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:26:26,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:26,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1820445, now seen corresponding path program 1 times [2024-12-02 15:26:26,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:26,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852904796] [2024-12-02 15:26:26,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:26,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-12-02 15:26:31,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:31,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852904796] [2024-12-02 15:26:31,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852904796] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:31,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:31,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:31,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394140182] [2024-12-02 15:26:31,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:31,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:31,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:31,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:31,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:31,747 INFO L87 Difference]: Start difference. First operand 4705 states and 6845 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:26:35,809 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 15:26:36,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:36,735 INFO L93 Difference]: Finished difference Result 13377 states and 19429 transitions. [2024-12-02 15:26:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:36,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 175 [2024-12-02 15:26:36,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:36,803 INFO L225 Difference]: With dead ends: 13377 [2024-12-02 15:26:36,803 INFO L226 Difference]: Without dead ends: 8693 [2024-12-02 15:26:36,828 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 15:26:36,829 INFO L435 NwaCegarLoop]: 3934 mSDtfsCounter, 3324 mSDsluCounter, 3858 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 7792 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:36,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3324 Valid, 7792 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:26:36,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8693 states. [2024-12-02 15:26:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8693 to 8689. [2024-12-02 15:26:37,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8689 states, 6373 states have (on average 1.3470892829122862) internal successors, (8585), 6490 states have internal predecessors, (8585), 2002 states have call successors, (2002), 314 states have call predecessors, (2002), 313 states have return successors, (2015), 1960 states have call predecessors, (2015), 2002 states have call successors, (2015) [2024-12-02 15:26:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8689 states to 8689 states and 12602 transitions. [2024-12-02 15:26:37,289 INFO L78 Accepts]: Start accepts. Automaton has 8689 states and 12602 transitions. Word has length 175 [2024-12-02 15:26:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:37,289 INFO L471 AbstractCegarLoop]: Abstraction has 8689 states and 12602 transitions. [2024-12-02 15:26:37,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:26:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 8689 states and 12602 transitions. [2024-12-02 15:26:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-12-02 15:26:37,304 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:37,304 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 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] [2024-12-02 15:26:37,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:26:37,304 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:26:37,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash 534612722, now seen corresponding path program 1 times [2024-12-02 15:26:37,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:37,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115826271] [2024-12-02 15:26:37,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-12-02 15:26:42,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:42,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115826271] [2024-12-02 15:26:42,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115826271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:42,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:42,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:42,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077753171] [2024-12-02 15:26:42,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:42,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:42,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:42,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:42,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:42,638 INFO L87 Difference]: Start difference. First operand 8689 states and 12602 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:26:46,693 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 15:26:48,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:48,015 INFO L93 Difference]: Finished difference Result 24616 states and 35739 transitions. [2024-12-02 15:26:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:48,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 238 [2024-12-02 15:26:48,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:48,117 INFO L225 Difference]: With dead ends: 24616 [2024-12-02 15:26:48,117 INFO L226 Difference]: Without dead ends: 15948 [2024-12-02 15:26:48,147 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 15:26:48,148 INFO L435 NwaCegarLoop]: 4088 mSDtfsCounter, 3423 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 7872 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:48,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 7872 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 15:26:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15948 states. [2024-12-02 15:26:48,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15948 to 15942. [2024-12-02 15:26:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15942 states, 11651 states have (on average 1.3501845335164364) internal successors, (15731), 11875 states have internal predecessors, (15731), 3691 states have call successors, (3691), 603 states have call predecessors, (3691), 599 states have return successors, (3719), 3601 states have call predecessors, (3719), 3691 states have call successors, (3719) [2024-12-02 15:26:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15942 states to 15942 states and 23141 transitions. [2024-12-02 15:26:48,847 INFO L78 Accepts]: Start accepts. Automaton has 15942 states and 23141 transitions. Word has length 238 [2024-12-02 15:26:48,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:48,848 INFO L471 AbstractCegarLoop]: Abstraction has 15942 states and 23141 transitions. [2024-12-02 15:26:48,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:26:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 15942 states and 23141 transitions. [2024-12-02 15:26:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 15:26:48,858 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:48,858 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:48,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:26:48,858 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:26:48,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:48,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2041977021, now seen corresponding path program 1 times [2024-12-02 15:26:48,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:48,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291221906] [2024-12-02 15:26:48,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:48,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-02 15:26:54,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:54,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291221906] [2024-12-02 15:26:54,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291221906] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:54,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:54,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:54,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310617502] [2024-12-02 15:26:54,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:54,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:54,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:54,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:54,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:54,720 INFO L87 Difference]: Start difference. First operand 15942 states and 23141 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 15:26:58,788 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 15:27:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:00,224 INFO L93 Difference]: Finished difference Result 38566 states and 56041 transitions. [2024-12-02 15:27:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:00,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 224 [2024-12-02 15:27:00,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:00,354 INFO L225 Difference]: With dead ends: 38566 [2024-12-02 15:27:00,354 INFO L226 Difference]: Without dead ends: 22645 [2024-12-02 15:27:00,411 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 15:27:00,412 INFO L435 NwaCegarLoop]: 6827 mSDtfsCounter, 2945 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 10645 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:00,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 10645 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 15:27:00,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22645 states. [2024-12-02 15:27:01,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22645 to 22639. [2024-12-02 15:27:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22639 states, 16528 states have (on average 1.350677637947725) internal successors, (22324), 16846 states have internal predecessors, (22324), 5256 states have call successors, (5256), 858 states have call predecessors, (5256), 854 states have return successors, (5284), 5134 states have call predecessors, (5284), 5256 states have call successors, (5284) [2024-12-02 15:27:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 32864 transitions. [2024-12-02 15:27:01,195 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 32864 transitions. Word has length 224 [2024-12-02 15:27:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:01,196 INFO L471 AbstractCegarLoop]: Abstraction has 22639 states and 32864 transitions. [2024-12-02 15:27:01,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 15:27:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 32864 transitions. [2024-12-02 15:27:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 15:27:01,205 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:01,205 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:01,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:27:01,205 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:01,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:01,206 INFO L85 PathProgramCache]: Analyzing trace with hash 968380832, now seen corresponding path program 1 times [2024-12-02 15:27:01,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:01,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107559983] [2024-12-02 15:27:01,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:01,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-02 15:27:06,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:06,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107559983] [2024-12-02 15:27:06,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107559983] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:06,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:06,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:06,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431033583] [2024-12-02 15:27:06,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:06,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:06,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:06,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:06,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:06,896 INFO L87 Difference]: Start difference. First operand 22639 states and 32864 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 15:27:10,960 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 15:27:12,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:12,151 INFO L93 Difference]: Finished difference Result 57939 states and 83618 transitions. [2024-12-02 15:27:12,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:12,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 233 [2024-12-02 15:27:12,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:12,304 INFO L225 Difference]: With dead ends: 57939 [2024-12-02 15:27:12,304 INFO L226 Difference]: Without dead ends: 35321 [2024-12-02 15:27:12,399 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 15:27:12,400 INFO L435 NwaCegarLoop]: 4297 mSDtfsCounter, 3462 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 7480 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:12,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3462 Valid, 7480 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:27:12,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35321 states. [2024-12-02 15:27:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35321 to 35249. [2024-12-02 15:27:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35249 states, 25756 states have (on average 1.3415126572449139) internal successors, (34552), 26254 states have internal predecessors, (34552), 8026 states have call successors, (8026), 1506 states have call predecessors, (8026), 1466 states have return successors, (8110), 7774 states have call predecessors, (8110), 8026 states have call successors, (8110) [2024-12-02 15:27:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35249 states to 35249 states and 50688 transitions. [2024-12-02 15:27:13,908 INFO L78 Accepts]: Start accepts. Automaton has 35249 states and 50688 transitions. Word has length 233 [2024-12-02 15:27:13,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:13,909 INFO L471 AbstractCegarLoop]: Abstraction has 35249 states and 50688 transitions. [2024-12-02 15:27:13,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 15:27:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 35249 states and 50688 transitions. [2024-12-02 15:27:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 15:27:13,918 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:13,919 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 15:27:13,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:27:13,919 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:13,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:13,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1447490297, now seen corresponding path program 1 times [2024-12-02 15:27:13,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:13,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416930433] [2024-12-02 15:27:13,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:13,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-12-02 15:27:19,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:19,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416930433] [2024-12-02 15:27:19,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416930433] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:19,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:19,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:19,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186100252] [2024-12-02 15:27:19,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:19,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:19,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:19,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:19,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:19,401 INFO L87 Difference]: Start difference. First operand 35249 states and 50688 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:27:23,447 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 15:27:25,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:25,434 INFO L93 Difference]: Finished difference Result 105525 states and 151802 transitions. [2024-12-02 15:27:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:25,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 256 [2024-12-02 15:27:25,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:25,738 INFO L225 Difference]: With dead ends: 105525 [2024-12-02 15:27:25,738 INFO L226 Difference]: Without dead ends: 70297 [2024-12-02 15:27:25,875 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 15:27:25,876 INFO L435 NwaCegarLoop]: 5445 mSDtfsCounter, 3833 mSDsluCounter, 3869 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3833 SdHoareTripleChecker+Valid, 9314 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:25,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3833 Valid, 9314 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:27:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70297 states. [2024-12-02 15:27:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70297 to 70247. [2024-12-02 15:27:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70247 states, 51294 states have (on average 1.3415604164229735) internal successors, (68814), 52326 states have internal predecessors, (68814), 16020 states have call successors, (16020), 3012 states have call predecessors, (16020), 2932 states have return successors, (16188), 15480 states have call predecessors, (16188), 16020 states have call successors, (16188) [2024-12-02 15:27:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70247 states to 70247 states and 101022 transitions. [2024-12-02 15:27:27,887 INFO L78 Accepts]: Start accepts. Automaton has 70247 states and 101022 transitions. Word has length 256 [2024-12-02 15:27:27,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:27,888 INFO L471 AbstractCegarLoop]: Abstraction has 70247 states and 101022 transitions. [2024-12-02 15:27:27,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:27:27,888 INFO L276 IsEmpty]: Start isEmpty. Operand 70247 states and 101022 transitions. [2024-12-02 15:27:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 15:27:27,901 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:27,901 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 15:27:27,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:27:27,901 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:27,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1715046802, now seen corresponding path program 1 times [2024-12-02 15:27:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446116021] [2024-12-02 15:27:27,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 15:27:34,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:34,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446116021] [2024-12-02 15:27:34,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446116021] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:34,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:34,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:34,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760437678] [2024-12-02 15:27:34,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:34,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:34,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:34,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:34,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:34,672 INFO L87 Difference]: Start difference. First operand 70247 states and 101022 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 15:27:38,716 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 15:27:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:40,753 INFO L93 Difference]: Finished difference Result 140945 states and 202401 transitions. [2024-12-02 15:27:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:40,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 276 [2024-12-02 15:27:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:40,999 INFO L225 Difference]: With dead ends: 140945 [2024-12-02 15:27:40,999 INFO L226 Difference]: Without dead ends: 70719 [2024-12-02 15:27:41,183 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 15:27:41,183 INFO L435 NwaCegarLoop]: 3883 mSDtfsCounter, 100 mSDsluCounter, 3831 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 7714 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:41,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 7714 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:27:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70719 states. [2024-12-02 15:27:42,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70719 to 70719. [2024-12-02 15:27:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70719 states, 51637 states have (on average 1.339388423029998) internal successors, (69162), 52669 states have internal predecessors, (69162), 16037 states have call successors, (16037), 3124 states have call predecessors, (16037), 3044 states have return successors, (16205), 15497 states have call predecessors, (16205), 16037 states have call successors, (16205) [2024-12-02 15:27:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70719 states to 70719 states and 101404 transitions. [2024-12-02 15:27:43,079 INFO L78 Accepts]: Start accepts. Automaton has 70719 states and 101404 transitions. Word has length 276 [2024-12-02 15:27:43,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:43,080 INFO L471 AbstractCegarLoop]: Abstraction has 70719 states and 101404 transitions. [2024-12-02 15:27:43,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 15:27:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 70719 states and 101404 transitions. [2024-12-02 15:27:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 15:27:43,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:43,236 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:27:43,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:27:43,236 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:43,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:43,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1410218580, now seen corresponding path program 1 times [2024-12-02 15:27:43,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:43,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4436234] [2024-12-02 15:27:43,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-12-02 15:27:48,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:48,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4436234] [2024-12-02 15:27:48,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4436234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:48,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:48,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:48,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412953682] [2024-12-02 15:27:48,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:48,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:48,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:48,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:48,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:48,466 INFO L87 Difference]: Start difference. First operand 70719 states and 101404 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 15:27:52,504 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 15:27:55,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:55,164 INFO L93 Difference]: Finished difference Result 160963 states and 230900 transitions. [2024-12-02 15:27:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:55,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 298 [2024-12-02 15:27:55,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:55,560 INFO L225 Difference]: With dead ends: 160963 [2024-12-02 15:27:55,560 INFO L226 Difference]: Without dead ends: 90321 [2024-12-02 15:27:55,803 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 15:27:55,804 INFO L435 NwaCegarLoop]: 6828 mSDtfsCounter, 2944 mSDsluCounter, 3825 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 10653 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:55,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2944 Valid, 10653 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 15:27:55,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90321 states. [2024-12-02 15:27:57,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90321 to 90303. [2024-12-02 15:27:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90303 states, 65923 states have (on average 1.339320115892784) internal successors, (88292), 67231 states have internal predecessors, (88292), 20467 states have call successors, (20467), 4008 states have call predecessors, (20467), 3912 states have return successors, (20635), 19799 states have call predecessors, (20635), 20467 states have call successors, (20635) [2024-12-02 15:27:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90303 states to 90303 states and 129394 transitions. [2024-12-02 15:27:58,324 INFO L78 Accepts]: Start accepts. Automaton has 90303 states and 129394 transitions. Word has length 298 [2024-12-02 15:27:58,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:58,325 INFO L471 AbstractCegarLoop]: Abstraction has 90303 states and 129394 transitions. [2024-12-02 15:27:58,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 15:27:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 90303 states and 129394 transitions. [2024-12-02 15:27:58,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 15:27:58,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:58,340 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:27:58,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:27:58,341 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:58,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:58,341 INFO L85 PathProgramCache]: Analyzing trace with hash 678251154, now seen corresponding path program 1 times [2024-12-02 15:27:58,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:58,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227254286] [2024-12-02 15:27:58,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:58,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:28:05,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:05,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227254286] [2024-12-02 15:28:05,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227254286] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:05,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:05,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:28:05,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687848364] [2024-12-02 15:28:05,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:05,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:05,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:05,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:05,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:05,028 INFO L87 Difference]: Start difference. First operand 90303 states and 129394 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:28:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:06,960 INFO L93 Difference]: Finished difference Result 180593 states and 258793 transitions. [2024-12-02 15:28:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:06,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 298 [2024-12-02 15:28:06,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:07,341 INFO L225 Difference]: With dead ends: 180593 [2024-12-02 15:28:07,341 INFO L226 Difference]: Without dead ends: 90367 [2024-12-02 15:28:07,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:07,602 INFO L435 NwaCegarLoop]: 3883 mSDtfsCounter, 0 mSDsluCounter, 11641 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15524 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:07,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15524 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:28:07,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90367 states. [2024-12-02 15:28:09,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90367 to 90367. [2024-12-02 15:28:09,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90367 states, 65971 states have (on average 1.33907322914614) internal successors, (88340), 67279 states have internal predecessors, (88340), 20467 states have call successors, (20467), 4008 states have call predecessors, (20467), 3928 states have return successors, (20667), 19815 states have call predecessors, (20667), 20467 states have call successors, (20667) [2024-12-02 15:28:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90367 states to 90367 states and 129474 transitions. [2024-12-02 15:28:10,399 INFO L78 Accepts]: Start accepts. Automaton has 90367 states and 129474 transitions. Word has length 298 [2024-12-02 15:28:10,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:10,399 INFO L471 AbstractCegarLoop]: Abstraction has 90367 states and 129474 transitions. [2024-12-02 15:28:10,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:28:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 90367 states and 129474 transitions. [2024-12-02 15:28:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 15:28:10,408 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:10,408 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:28:10,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:28:10,408 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:10,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:10,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1042310354, now seen corresponding path program 1 times [2024-12-02 15:28:10,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:10,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496265688] [2024-12-02 15:28:10,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:28:16,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496265688] [2024-12-02 15:28:16,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496265688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:16,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:16,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:16,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30998567] [2024-12-02 15:28:16,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:16,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:16,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:16,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:16,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:16,921 INFO L87 Difference]: Start difference. First operand 90367 states and 129474 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:28:20,965 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 15:28:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:36,304 INFO L93 Difference]: Finished difference Result 180657 states and 259381 transitions. [2024-12-02 15:28:36,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:36,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 298 [2024-12-02 15:28:36,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:36,826 INFO L225 Difference]: With dead ends: 180657 [2024-12-02 15:28:36,827 INFO L226 Difference]: Without dead ends: 90367 [2024-12-02 15:28:37,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:37,141 INFO L435 NwaCegarLoop]: 3883 mSDtfsCounter, 3778 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3778 SdHoareTripleChecker+Valid, 6543 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:37,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3778 Valid, 6543 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1224 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2024-12-02 15:28:37,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90367 states. [2024-12-02 15:28:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90367 to 90367. [2024-12-02 15:28:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90367 states, 65971 states have (on average 1.3382850040169165) internal successors, (88288), 67279 states have internal predecessors, (88288), 20467 states have call successors, (20467), 4008 states have call predecessors, (20467), 3928 states have return successors, (20667), 19815 states have call predecessors, (20667), 20467 states have call successors, (20667) [2024-12-02 15:28:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90367 states to 90367 states and 129422 transitions. [2024-12-02 15:28:40,237 INFO L78 Accepts]: Start accepts. Automaton has 90367 states and 129422 transitions. Word has length 298 [2024-12-02 15:28:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:40,238 INFO L471 AbstractCegarLoop]: Abstraction has 90367 states and 129422 transitions. [2024-12-02 15:28:40,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:28:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 90367 states and 129422 transitions. [2024-12-02 15:28:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-12-02 15:28:40,249 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:40,249 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:28:40,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:28:40,249 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:40,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1777676598, now seen corresponding path program 1 times [2024-12-02 15:28:40,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:40,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392423625] [2024-12-02 15:28:40,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:40,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:28:45,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:45,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392423625] [2024-12-02 15:28:45,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392423625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:45,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:45,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:28:45,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320194652] [2024-12-02 15:28:45,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:45,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:45,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:45,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:45,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:45,774 INFO L87 Difference]: Start difference. First operand 90367 states and 129422 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:28:49,816 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 15:29:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:06,891 INFO L93 Difference]: Finished difference Result 180657 states and 259277 transitions. [2024-12-02 15:29:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:06,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 299 [2024-12-02 15:29:06,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:07,326 INFO L225 Difference]: With dead ends: 180657 [2024-12-02 15:29:07,326 INFO L226 Difference]: Without dead ends: 90367 [2024-12-02 15:29:07,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:07,574 INFO L435 NwaCegarLoop]: 3881 mSDtfsCounter, 5236 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5236 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:07,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5236 Valid, 6539 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.4s Time] [2024-12-02 15:29:07,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90367 states. [2024-12-02 15:29:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90367 to 90367. [2024-12-02 15:29:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90367 states, 65971 states have (on average 1.337496778887693) internal successors, (88236), 67279 states have internal predecessors, (88236), 20467 states have call successors, (20467), 4008 states have call predecessors, (20467), 3928 states have return successors, (20667), 19815 states have call predecessors, (20667), 20467 states have call successors, (20667) [2024-12-02 15:29:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90367 states to 90367 states and 129370 transitions. [2024-12-02 15:29:11,089 INFO L78 Accepts]: Start accepts. Automaton has 90367 states and 129370 transitions. Word has length 299 [2024-12-02 15:29:11,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:11,089 INFO L471 AbstractCegarLoop]: Abstraction has 90367 states and 129370 transitions. [2024-12-02 15:29:11,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 90367 states and 129370 transitions. [2024-12-02 15:29:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-12-02 15:29:11,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:11,098 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:29:11,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:29:11,098 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:11,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1111557710, now seen corresponding path program 1 times [2024-12-02 15:29:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:11,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376893074] [2024-12-02 15:29:11,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:29:16,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376893074] [2024-12-02 15:29:16,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376893074] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:16,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:16,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:16,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824000123] [2024-12-02 15:29:16,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:16,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:16,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:16,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:16,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:16,596 INFO L87 Difference]: Start difference. First operand 90367 states and 129370 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:20,641 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 15:29:37,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:37,789 INFO L93 Difference]: Finished difference Result 180657 states and 259173 transitions. [2024-12-02 15:29:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:37,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 300 [2024-12-02 15:29:37,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:38,251 INFO L225 Difference]: With dead ends: 180657 [2024-12-02 15:29:38,251 INFO L226 Difference]: Without dead ends: 90367 [2024-12-02 15:29:38,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:38,583 INFO L435 NwaCegarLoop]: 3880 mSDtfsCounter, 5233 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5233 SdHoareTripleChecker+Valid, 6537 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:38,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5233 Valid, 6537 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.8s Time] [2024-12-02 15:29:38,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90367 states. [2024-12-02 15:29:41,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90367 to 90367. [2024-12-02 15:29:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90367 states, 65971 states have (on average 1.3367085537584695) internal successors, (88184), 67279 states have internal predecessors, (88184), 20467 states have call successors, (20467), 4008 states have call predecessors, (20467), 3928 states have return successors, (20667), 19815 states have call predecessors, (20667), 20467 states have call successors, (20667) [2024-12-02 15:29:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90367 states to 90367 states and 129318 transitions. [2024-12-02 15:29:42,452 INFO L78 Accepts]: Start accepts. Automaton has 90367 states and 129318 transitions. Word has length 300 [2024-12-02 15:29:42,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:42,453 INFO L471 AbstractCegarLoop]: Abstraction has 90367 states and 129318 transitions. [2024-12-02 15:29:42,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 90367 states and 129318 transitions. [2024-12-02 15:29:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-12-02 15:29:42,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:42,463 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:29:42,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:29:42,464 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:42,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash 598024646, now seen corresponding path program 1 times [2024-12-02 15:29:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:42,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394792630] [2024-12-02 15:29:42,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:42,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:29:47,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:47,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394792630] [2024-12-02 15:29:47,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394792630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:47,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:47,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:47,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347371521] [2024-12-02 15:29:47,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:47,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:47,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:47,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:47,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:47,791 INFO L87 Difference]: Start difference. First operand 90367 states and 129318 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:51,833 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 15:30:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:09,766 INFO L93 Difference]: Finished difference Result 180657 states and 259069 transitions. [2024-12-02 15:30:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:30:09,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 301 [2024-12-02 15:30:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:10,208 INFO L225 Difference]: With dead ends: 180657 [2024-12-02 15:30:10,208 INFO L226 Difference]: Without dead ends: 90367 [2024-12-02 15:30:10,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:30:10,629 INFO L435 NwaCegarLoop]: 3879 mSDtfsCounter, 5230 mSDsluCounter, 2656 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5230 SdHoareTripleChecker+Valid, 6535 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:10,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5230 Valid, 6535 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2024-12-02 15:30:10,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90367 states. [2024-12-02 15:30:14,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90367 to 90367. [2024-12-02 15:30:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90367 states, 65971 states have (on average 1.3359203286292463) internal successors, (88132), 67279 states have internal predecessors, (88132), 20467 states have call successors, (20467), 4008 states have call predecessors, (20467), 3928 states have return successors, (20667), 19815 states have call predecessors, (20667), 20467 states have call successors, (20667) [2024-12-02 15:30:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90367 states to 90367 states and 129266 transitions. [2024-12-02 15:30:14,609 INFO L78 Accepts]: Start accepts. Automaton has 90367 states and 129266 transitions. Word has length 301 [2024-12-02 15:30:14,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:14,610 INFO L471 AbstractCegarLoop]: Abstraction has 90367 states and 129266 transitions. [2024-12-02 15:30:14,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:30:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 90367 states and 129266 transitions. [2024-12-02 15:30:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 15:30:14,619 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:14,619 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:30:14,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:30:14,620 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:30:14,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1972885450, now seen corresponding path program 1 times [2024-12-02 15:30:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:14,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518465261] [2024-12-02 15:30:14,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:14,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:30:20,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:20,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518465261] [2024-12-02 15:30:20,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518465261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:20,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:20,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:20,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701342779] [2024-12-02 15:30:20,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:20,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:20,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:20,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:20,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:20,736 INFO L87 Difference]: Start difference. First operand 90367 states and 129266 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:30:24,782 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 15:30:53,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:53,439 INFO L93 Difference]: Finished difference Result 209854 states and 297751 transitions. [2024-12-02 15:30:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:53,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 302 [2024-12-02 15:30:53,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:54,028 INFO L225 Difference]: With dead ends: 209854 [2024-12-02 15:30:54,028 INFO L226 Difference]: Without dead ends: 119564 [2024-12-02 15:30:54,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:30:54,237 INFO L435 NwaCegarLoop]: 4868 mSDtfsCounter, 6657 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 2428 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6671 SdHoareTripleChecker+Valid, 9146 SdHoareTripleChecker+Invalid, 4374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2428 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:54,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6671 Valid, 9146 Invalid, 4374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2428 Valid, 1945 Invalid, 1 Unknown, 0 Unchecked, 27.2s Time] [2024-12-02 15:30:54,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119564 states. [2024-12-02 15:30:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119564 to 119476. [2024-12-02 15:30:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.3205661191758105) internal successors, (116260), 90062 states have internal predecessors, (116260), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:30:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 168466 transitions. [2024-12-02 15:30:59,479 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 168466 transitions. Word has length 302 [2024-12-02 15:30:59,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:59,479 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 168466 transitions. [2024-12-02 15:30:59,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:30:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 168466 transitions. [2024-12-02 15:30:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-12-02 15:30:59,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:59,490 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:30:59,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:30:59,490 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:30:59,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:59,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1758414018, now seen corresponding path program 1 times [2024-12-02 15:30:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:59,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723610055] [2024-12-02 15:30:59,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:59,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:31:05,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:05,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723610055] [2024-12-02 15:31:05,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723610055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:05,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:05,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:05,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001076524] [2024-12-02 15:31:05,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:05,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:05,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:05,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:05,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:05,003 INFO L87 Difference]: Start difference. First operand 119476 states and 168466 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:31:09,043 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 15:31:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:28,553 INFO L93 Difference]: Finished difference Result 238854 states and 337615 transitions. [2024-12-02 15:31:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:31:28,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 303 [2024-12-02 15:31:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:29,104 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:31:29,104 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:31:29,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:31:29,435 INFO L435 NwaCegarLoop]: 3878 mSDtfsCounter, 5226 mSDsluCounter, 2655 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5226 SdHoareTripleChecker+Valid, 6533 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:29,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5226 Valid, 6533 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2024-12-02 15:31:29,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:31:34,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:31:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.3197028555850883) internal successors, (116184), 90062 states have internal predecessors, (116184), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:31:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 168390 transitions. [2024-12-02 15:31:34,760 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 168390 transitions. Word has length 303 [2024-12-02 15:31:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:34,760 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 168390 transitions. [2024-12-02 15:31:34,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:31:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 168390 transitions. [2024-12-02 15:31:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-12-02 15:31:34,770 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:34,770 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:31:34,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:31:34,770 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:31:34,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:34,771 INFO L85 PathProgramCache]: Analyzing trace with hash -480716474, now seen corresponding path program 1 times [2024-12-02 15:31:34,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:34,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55977846] [2024-12-02 15:31:34,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:34,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:31:40,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:40,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55977846] [2024-12-02 15:31:40,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55977846] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:40,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:40,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:40,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429706752] [2024-12-02 15:31:40,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:40,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:40,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:40,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:40,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:40,464 INFO L87 Difference]: Start difference. First operand 119476 states and 168390 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:31:44,508 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 15:32:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:32:03,835 INFO L93 Difference]: Finished difference Result 238854 states and 337463 transitions. [2024-12-02 15:32:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:32:03,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 304 [2024-12-02 15:32:03,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:04,390 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:32:04,390 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:32:04,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:32:04,890 INFO L435 NwaCegarLoop]: 3877 mSDtfsCounter, 5223 mSDsluCounter, 2654 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5223 SdHoareTripleChecker+Valid, 6531 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:04,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5223 Valid, 6531 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2024-12-02 15:32:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:32:10,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:32:10,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.318839591994366) internal successors, (116108), 90062 states have internal predecessors, (116108), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:32:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 168314 transitions. [2024-12-02 15:32:10,610 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 168314 transitions. Word has length 304 [2024-12-02 15:32:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:10,611 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 168314 transitions. [2024-12-02 15:32:10,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:32:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 168314 transitions. [2024-12-02 15:32:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-12-02 15:32:10,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:32:10,621 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:32:10,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:32:10,622 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:32:10,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:32:10,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1059768386, now seen corresponding path program 1 times [2024-12-02 15:32:10,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:32:10,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226433399] [2024-12-02 15:32:10,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:10,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:32:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:32:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:32:16,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:32:16,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226433399] [2024-12-02 15:32:16,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226433399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:32:16,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:32:16,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:32:16,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755060160] [2024-12-02 15:32:16,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:32:16,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:32:16,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:32:16,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:32:16,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:32:16,843 INFO L87 Difference]: Start difference. First operand 119476 states and 168314 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:32:20,890 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 15:32:41,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:32:41,523 INFO L93 Difference]: Finished difference Result 238854 states and 337311 transitions. [2024-12-02 15:32:41,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:32:41,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 305 [2024-12-02 15:32:41,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:42,296 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:32:42,297 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:32:42,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:32:42,602 INFO L435 NwaCegarLoop]: 3876 mSDtfsCounter, 5220 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5220 SdHoareTripleChecker+Valid, 6529 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:42,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5220 Valid, 6529 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 18.4s Time] [2024-12-02 15:32:42,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:32:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:32:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.3179763284036439) internal successors, (116032), 90062 states have internal predecessors, (116032), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:32:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 168238 transitions. [2024-12-02 15:32:48,652 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 168238 transitions. Word has length 305 [2024-12-02 15:32:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:48,653 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 168238 transitions. [2024-12-02 15:32:48,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:32:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 168238 transitions. [2024-12-02 15:32:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-12-02 15:32:48,663 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:32:48,663 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:32:48,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:32:48,663 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:32:48,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:32:48,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1715991870, now seen corresponding path program 1 times [2024-12-02 15:32:48,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:32:48,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200044332] [2024-12-02 15:32:48,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:48,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:32:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:32:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:32:54,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:32:54,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200044332] [2024-12-02 15:32:54,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200044332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:32:54,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:32:54,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:32:54,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252300522] [2024-12-02 15:32:54,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:32:54,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:32:54,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:32:54,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:32:54,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:32:54,846 INFO L87 Difference]: Start difference. First operand 119476 states and 168238 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:32:58,889 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 15:33:19,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:33:19,501 INFO L93 Difference]: Finished difference Result 238854 states and 337159 transitions. [2024-12-02 15:33:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:33:19,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 306 [2024-12-02 15:33:19,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:33:20,017 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:33:20,017 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:33:20,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:33:20,299 INFO L435 NwaCegarLoop]: 3875 mSDtfsCounter, 5217 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5217 SdHoareTripleChecker+Valid, 6527 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:33:20,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5217 Valid, 6527 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.8s Time] [2024-12-02 15:33:20,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:33:26,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:33:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.3171130648129217) internal successors, (115956), 90062 states have internal predecessors, (115956), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:33:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 168162 transitions. [2024-12-02 15:33:26,707 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 168162 transitions. Word has length 306 [2024-12-02 15:33:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:33:26,707 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 168162 transitions. [2024-12-02 15:33:26,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:33:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 168162 transitions. [2024-12-02 15:33:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 15:33:26,717 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:33:26,717 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:33:26,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:33:26,718 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:33:26,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:33:26,718 INFO L85 PathProgramCache]: Analyzing trace with hash -469566790, now seen corresponding path program 1 times [2024-12-02 15:33:26,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:33:26,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549164877] [2024-12-02 15:33:26,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:33:26,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:33:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:33:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:33:32,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:33:32,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549164877] [2024-12-02 15:33:32,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549164877] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:33:32,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:33:32,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:33:32,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690732614] [2024-12-02 15:33:32,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:33:32,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:33:32,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:33:32,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:33:32,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:33:32,068 INFO L87 Difference]: Start difference. First operand 119476 states and 168162 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:33:36,109 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 15:33:57,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:33:57,251 INFO L93 Difference]: Finished difference Result 238854 states and 337007 transitions. [2024-12-02 15:33:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:33:57,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 307 [2024-12-02 15:33:57,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:33:58,030 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:33:58,030 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:33:58,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:33:58,341 INFO L435 NwaCegarLoop]: 3874 mSDtfsCounter, 5214 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5214 SdHoareTripleChecker+Valid, 6525 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:33:58,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5214 Valid, 6525 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2024-12-02 15:33:58,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:34:05,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:34:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.3162498012221995) internal successors, (115880), 90062 states have internal predecessors, (115880), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:34:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 168086 transitions. [2024-12-02 15:34:05,762 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 168086 transitions. Word has length 307 [2024-12-02 15:34:05,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:34:05,762 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 168086 transitions. [2024-12-02 15:34:05,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:34:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 168086 transitions. [2024-12-02 15:34:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-12-02 15:34:05,773 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:05,773 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:34:05,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:34:05,773 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:34:05,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:05,774 INFO L85 PathProgramCache]: Analyzing trace with hash -370578370, now seen corresponding path program 1 times [2024-12-02 15:34:05,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:34:05,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081298485] [2024-12-02 15:34:05,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:05,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:34:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:34:11,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:34:11,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081298485] [2024-12-02 15:34:11,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081298485] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:34:11,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:34:11,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:34:11,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034335928] [2024-12-02 15:34:11,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:34:11,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:34:11,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:34:11,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:34:11,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:34:11,026 INFO L87 Difference]: Start difference. First operand 119476 states and 168086 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:34:15,071 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 15:34:35,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:34:35,897 INFO L93 Difference]: Finished difference Result 238854 states and 336855 transitions. [2024-12-02 15:34:35,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:34:35,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 308 [2024-12-02 15:34:35,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:34:36,470 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:34:36,470 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:34:36,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:34:36,801 INFO L435 NwaCegarLoop]: 3873 mSDtfsCounter, 5211 mSDsluCounter, 2650 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5211 SdHoareTripleChecker+Valid, 6523 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:34:36,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5211 Valid, 6523 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2024-12-02 15:34:36,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:34:44,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:34:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.3153865376314773) internal successors, (115804), 90062 states have internal predecessors, (115804), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:34:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 168010 transitions. [2024-12-02 15:34:44,918 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 168010 transitions. Word has length 308 [2024-12-02 15:34:44,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:34:44,918 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 168010 transitions. [2024-12-02 15:34:44,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:34:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 168010 transitions. [2024-12-02 15:34:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-12-02 15:34:44,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:44,928 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:34:44,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:34:44,929 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:34:44,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:44,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1482388042, now seen corresponding path program 1 times [2024-12-02 15:34:44,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:34:44,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593740695] [2024-12-02 15:34:44,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:44,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:34:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:34:50,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:34:50,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593740695] [2024-12-02 15:34:50,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593740695] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:34:50,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:34:50,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:34:50,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344280227] [2024-12-02 15:34:50,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:34:50,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:34:50,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:34:50,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:34:50,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:34:50,237 INFO L87 Difference]: Start difference. First operand 119476 states and 168010 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:34:54,276 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 15:35:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:35:16,096 INFO L93 Difference]: Finished difference Result 238854 states and 336703 transitions. [2024-12-02 15:35:16,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:35:16,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 309 [2024-12-02 15:35:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:35:16,955 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:35:16,955 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:35:17,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:35:17,339 INFO L435 NwaCegarLoop]: 3872 mSDtfsCounter, 5208 mSDsluCounter, 2649 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5208 SdHoareTripleChecker+Valid, 6521 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:35:17,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5208 Valid, 6521 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2024-12-02 15:35:17,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:35:25,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:35:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.314523274040755) internal successors, (115728), 90062 states have internal predecessors, (115728), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:35:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 167934 transitions. [2024-12-02 15:35:25,897 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 167934 transitions. Word has length 309 [2024-12-02 15:35:25,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:35:25,898 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 167934 transitions. [2024-12-02 15:35:25,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:35:25,898 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 167934 transitions. [2024-12-02 15:35:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 15:35:25,914 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:35:25,914 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:35:25,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:35:25,914 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:35:25,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:35:25,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1474232902, now seen corresponding path program 1 times [2024-12-02 15:35:25,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:35:25,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291034713] [2024-12-02 15:35:25,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:35:25,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:35:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:35:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:35:32,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:35:32,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291034713] [2024-12-02 15:35:32,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291034713] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:35:32,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:35:32,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:35:32,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757043106] [2024-12-02 15:35:32,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:35:32,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:35:32,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:35:32,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:35:32,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:35:32,492 INFO L87 Difference]: Start difference. First operand 119476 states and 167934 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:35:36,533 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 15:35:59,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:35:59,108 INFO L93 Difference]: Finished difference Result 238854 states and 336551 transitions. [2024-12-02 15:35:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:35:59,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 310 [2024-12-02 15:35:59,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:35:59,712 INFO L225 Difference]: With dead ends: 238854 [2024-12-02 15:35:59,712 INFO L226 Difference]: Without dead ends: 119476 [2024-12-02 15:36:00,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:36:00,039 INFO L435 NwaCegarLoop]: 3871 mSDtfsCounter, 5205 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 2424 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5205 SdHoareTripleChecker+Valid, 6519 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:36:00,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5205 Valid, 6519 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2424 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 17.9s Time] [2024-12-02 15:36:00,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119476 states. [2024-12-02 15:36:07,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119476 to 119476. [2024-12-02 15:36:07,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119476 states, 88038 states have (on average 1.3136600104500329) internal successors, (115652), 90062 states have internal predecessors, (115652), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5604 states have return successors, (26373), 24189 states have call predecessors, (26373), 25833 states have call successors, (26373) [2024-12-02 15:36:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119476 states to 119476 states and 167858 transitions. [2024-12-02 15:36:08,364 INFO L78 Accepts]: Start accepts. Automaton has 119476 states and 167858 transitions. Word has length 310 [2024-12-02 15:36:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:36:08,364 INFO L471 AbstractCegarLoop]: Abstraction has 119476 states and 167858 transitions. [2024-12-02 15:36:08,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:36:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 119476 states and 167858 transitions. [2024-12-02 15:36:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 15:36:08,374 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:36:08,375 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 15:36:08,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:36:08,375 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:36:08,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:36:08,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1445603751, now seen corresponding path program 1 times [2024-12-02 15:36:08,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:36:08,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088290753] [2024-12-02 15:36:08,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:36:08,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:36:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:36:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-12-02 15:36:15,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:36:15,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088290753] [2024-12-02 15:36:15,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088290753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:36:15,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:36:15,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:36:15,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867777306] [2024-12-02 15:36:15,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:36:15,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:36:15,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:36:15,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:36:15,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:36:15,367 INFO L87 Difference]: Start difference. First operand 119476 states and 167858 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 15:36:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:36:22,618 INFO L93 Difference]: Finished difference Result 119686 states and 168119 transitions. [2024-12-02 15:36:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:36:22,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 310 [2024-12-02 15:36:22,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:36:23,168 INFO L225 Difference]: With dead ends: 119686 [2024-12-02 15:36:23,169 INFO L226 Difference]: Without dead ends: 119684 [2024-12-02 15:36:23,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:36:23,208 INFO L435 NwaCegarLoop]: 3871 mSDtfsCounter, 0 mSDsluCounter, 11609 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15480 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 15:36:23,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15480 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:36:23,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119684 states. [2024-12-02 15:36:30,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119684 to 119684. [2024-12-02 15:36:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119684 states, 88194 states have (on average 1.3128330725446176) internal successors, (115784), 90218 states have internal predecessors, (115784), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5656 states have return successors, (26425), 24241 states have call predecessors, (26425), 25833 states have call successors, (26425) [2024-12-02 15:36:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119684 states to 119684 states and 168042 transitions. [2024-12-02 15:36:31,301 INFO L78 Accepts]: Start accepts. Automaton has 119684 states and 168042 transitions. Word has length 310 [2024-12-02 15:36:31,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:36:31,301 INFO L471 AbstractCegarLoop]: Abstraction has 119684 states and 168042 transitions. [2024-12-02 15:36:31,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 15:36:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 119684 states and 168042 transitions. [2024-12-02 15:36:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-12-02 15:36:31,315 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:36:31,315 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 3, 3, 3, 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] [2024-12-02 15:36:31,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:36:31,315 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:36:31,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:36:31,315 INFO L85 PathProgramCache]: Analyzing trace with hash -632220688, now seen corresponding path program 1 times [2024-12-02 15:36:31,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:36:31,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313262655] [2024-12-02 15:36:31,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:36:31,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:36:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:36:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-12-02 15:36:37,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:36:37,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313262655] [2024-12-02 15:36:37,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313262655] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:36:37,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:36:37,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:36:37,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034023636] [2024-12-02 15:36:37,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:36:37,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:36:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:36:37,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:36:37,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:36:37,357 INFO L87 Difference]: Start difference. First operand 119684 states and 168042 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 15:36:44,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:36:44,809 INFO L93 Difference]: Finished difference Result 239270 states and 335971 transitions. [2024-12-02 15:36:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:36:44,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 323 [2024-12-02 15:36:44,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:36:45,365 INFO L225 Difference]: With dead ends: 239270 [2024-12-02 15:36:45,365 INFO L226 Difference]: Without dead ends: 119684 [2024-12-02 15:36:45,837 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 15:36:45,838 INFO L435 NwaCegarLoop]: 3871 mSDtfsCounter, 0 mSDsluCounter, 3867 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7738 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:36:45,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7738 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:36:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119684 states. [2024-12-02 15:36:53,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119684 to 119684. [2024-12-02 15:36:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119684 states, 88194 states have (on average 1.3110188901739348) internal successors, (115624), 90218 states have internal predecessors, (115624), 25833 states have call successors, (25833), 5984 states have call predecessors, (25833), 5656 states have return successors, (26425), 24241 states have call predecessors, (26425), 25833 states have call successors, (26425) [2024-12-02 15:36:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119684 states to 119684 states and 167882 transitions. [2024-12-02 15:36:54,030 INFO L78 Accepts]: Start accepts. Automaton has 119684 states and 167882 transitions. Word has length 323 [2024-12-02 15:36:54,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:36:54,030 INFO L471 AbstractCegarLoop]: Abstraction has 119684 states and 167882 transitions. [2024-12-02 15:36:54,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 15:36:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 119684 states and 167882 transitions. [2024-12-02 15:36:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-12-02 15:36:54,045 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:36:54,045 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:54,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:36:54,046 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:36:54,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:36:54,046 INFO L85 PathProgramCache]: Analyzing trace with hash 236454706, now seen corresponding path program 1 times [2024-12-02 15:36:54,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:36:54,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890875711] [2024-12-02 15:36:54,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:36:54,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:36:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:36:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2024-12-02 15:36:59,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:36:59,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890875711] [2024-12-02 15:36:59,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890875711] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:36:59,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:36:59,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:36:59,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316137335] [2024-12-02 15:36:59,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:36:59,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:36:59,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:36:59,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:36:59,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:36:59,277 INFO L87 Difference]: Start difference. First operand 119684 states and 167882 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 15:37:03,322 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 15:37:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:13,589 INFO L93 Difference]: Finished difference Result 264608 states and 371384 transitions. [2024-12-02 15:37:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:37:13,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 374 [2024-12-02 15:37:13,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:14,279 INFO L225 Difference]: With dead ends: 264608 [2024-12-02 15:37:14,279 INFO L226 Difference]: Without dead ends: 145022 [2024-12-02 15:37:14,588 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 15:37:14,588 INFO L435 NwaCegarLoop]: 6859 mSDtfsCounter, 3570 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3570 SdHoareTripleChecker+Valid, 10133 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:14,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3570 Valid, 10133 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:37:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145022 states. [2024-12-02 15:37:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145022 to 144980. [2024-12-02 15:37:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144980 states, 106762 states have (on average 1.3095296079129277) internal successors, (139808), 109224 states have internal predecessors, (139808), 31301 states have call successors, (31301), 7320 states have call predecessors, (31301), 6916 states have return successors, (31905), 29359 states have call predecessors, (31905), 31301 states have call successors, (31905) [2024-12-02 15:37:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144980 states to 144980 states and 203014 transitions. [2024-12-02 15:37:25,641 INFO L78 Accepts]: Start accepts. Automaton has 144980 states and 203014 transitions. Word has length 374 [2024-12-02 15:37:25,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:25,641 INFO L471 AbstractCegarLoop]: Abstraction has 144980 states and 203014 transitions. [2024-12-02 15:37:25,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 15:37:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 144980 states and 203014 transitions. [2024-12-02 15:37:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-12-02 15:37:25,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:25,655 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:37:25,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:37:25,656 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:25,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:25,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1777022853, now seen corresponding path program 1 times [2024-12-02 15:37:25,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:25,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858231761] [2024-12-02 15:37:25,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:25,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 15:37:30,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:30,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858231761] [2024-12-02 15:37:30,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858231761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:30,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:30,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:37:30,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886761902] [2024-12-02 15:37:30,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:30,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:37:30,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:30,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:37:30,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:37:30,792 INFO L87 Difference]: Start difference. First operand 144980 states and 203014 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 15:37:34,837 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 15:37:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:53,376 INFO L93 Difference]: Finished difference Result 425224 states and 596696 transitions. [2024-12-02 15:37:53,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:37:53,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 339 [2024-12-02 15:37:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:55,111 INFO L225 Difference]: With dead ends: 425224 [2024-12-02 15:37:55,111 INFO L226 Difference]: Without dead ends: 280342 [2024-12-02 15:37:55,490 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 15:37:55,491 INFO L435 NwaCegarLoop]: 7013 mSDtfsCounter, 3781 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3781 SdHoareTripleChecker+Valid, 10861 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:55,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3781 Valid, 10861 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:37:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280342 states. [2024-12-02 15:38:12,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280342 to 280340. [2024-12-02 15:38:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280340 states, 206922 states have (on average 1.312610548902485) internal successors, (271608), 211486 states have internal predecessors, (271608), 60189 states have call successors, (60189), 14036 states have call predecessors, (60189), 13228 states have return successors, (61397), 56665 states have call predecessors, (61397), 60189 states have call successors, (61397) [2024-12-02 15:38:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280340 states to 280340 states and 393194 transitions. [2024-12-02 15:38:14,528 INFO L78 Accepts]: Start accepts. Automaton has 280340 states and 393194 transitions. Word has length 339 [2024-12-02 15:38:14,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:14,528 INFO L471 AbstractCegarLoop]: Abstraction has 280340 states and 393194 transitions. [2024-12-02 15:38:14,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 15:38:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 280340 states and 393194 transitions. [2024-12-02 15:38:14,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-12-02 15:38:14,546 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:14,546 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:38:14,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:38:14,547 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:14,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1653741187, now seen corresponding path program 1 times [2024-12-02 15:38:14,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:14,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130842250] [2024-12-02 15:38:14,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:14,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 15:38:20,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:20,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130842250] [2024-12-02 15:38:20,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130842250] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:20,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:20,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:38:20,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997673304] [2024-12-02 15:38:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:20,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:38:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:38:20,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:38:20,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:38:20,446 INFO L87 Difference]: Start difference. First operand 280340 states and 393194 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 15:38:24,484 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 []