./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/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_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/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_04505bcd-e98d-438c-aa03-53f3874233a7/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 e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:14:30,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:14:30,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:14:30,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:14:30,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:14:30,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:14:30,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:14:30,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:14:30,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:14:30,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:14:30,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:14:30,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:14:30,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:14:30,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:14:30,328 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:14:30,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:14:30,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:14:30,329 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:30,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:30,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:14:30,330 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:14:30,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:14:30,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:14:30,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:14:30,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:14:30,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:14:30,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:14:30,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:14:30,331 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_04505bcd-e98d-438c-aa03-53f3874233a7/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 -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2024-12-02 13:14:30,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:14:30,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:14:30,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:14:30,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:14:30,565 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:14:30,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 13:14:33,319 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/data/79bbb440f/e3f01df0195b49228dfcbba0ec6189d2/FLAGf2abb4be3 [2024-12-02 13:14:33,769 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:14:33,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 13:14:33,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/data/79bbb440f/e3f01df0195b49228dfcbba0ec6189d2/FLAGf2abb4be3 [2024-12-02 13:14:33,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/data/79bbb440f/e3f01df0195b49228dfcbba0ec6189d2 [2024-12-02 13:14:33,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:14:33,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:14:33,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:14:33,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:14:33,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:14:33,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:33" (1/1) ... [2024-12-02 13:14:33,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56172a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:33, skipping insertion in model container [2024-12-02 13:14:33,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:33" (1/1) ... [2024-12-02 13:14:33,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:14:36,065 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_04505bcd-e98d-438c-aa03-53f3874233a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2024-12-02 13:14:36,068 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_04505bcd-e98d-438c-aa03-53f3874233a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2024-12-02 13:14:36,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:14:36,117 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:14:36,219 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"); [5322] [2024-12-02 13:14:36,221 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)); [5329] [2024-12-02 13:14:36,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2024-12-02 13:14:36,225 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5391-5392] [2024-12-02 13:14:36,225 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"); [5397-5399] [2024-12-02 13:14:36,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2024-12-02 13:14:36,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2024-12-02 13:14:36,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2024-12-02 13:14:36,234 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)); [5632-5633] [2024-12-02 13:14:36,236 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)); [5666-5667] [2024-12-02 13:14:36,238 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)); [5707-5708] [2024-12-02 13:14:36,239 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)); [5736-5737] [2024-12-02 13:14:36,240 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)); [5773-5774] [2024-12-02 13:14:36,242 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)); [5810-5811] [2024-12-02 13:14:36,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2024-12-02 13:14:36,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2024-12-02 13:14:36,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2024-12-02 13:14:36,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2024-12-02 13:14:36,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2024-12-02 13:14:36,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2024-12-02 13:14:36,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2024-12-02 13:14:36,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2024-12-02 13:14:36,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2024-12-02 13:14:36,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2024-12-02 13:14:36,476 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_04505bcd-e98d-438c-aa03-53f3874233a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2024-12-02 13:14:36,476 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_04505bcd-e98d-438c-aa03-53f3874233a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2024-12-02 13:14:36,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:14:36,672 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:14:36,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36 WrapperNode [2024-12-02 13:14:36,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:14:36,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:14:36,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:14:36,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:14:36,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:36,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:36,894 INFO L138 Inliner]: procedures = 429, calls = 2225, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 6046 [2024-12-02 13:14:36,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:14:36,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:14:36,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:14:36,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:14:36,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:36,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:36,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:37,822 INFO L175 MemorySlicer]: Split 1005 memory accesses to 20 slices as follows [7, 2, 19, 4, 4, 2, 7, 2, 71, 2, 7, 10, 825, 4, 7, 8, 7, 1, 15, 1]. 82 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [0, 0, 0, 0, 4, 2, 0, 0, 0, 0, 7, 6, 30, 4, 7, 8, 7, 1, 15, 0]. The 450 writes are split as follows [2, 0, 11, 4, 0, 0, 2, 1, 71, 1, 0, 1, 357, 0, 0, 0, 0, 0, 0, 0]. [2024-12-02 13:14:37,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:37,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:37,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:37,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:37,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:37,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:37,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:38,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:14:38,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:14:38,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:14:38,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:14:38,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (1/1) ... [2024-12-02 13:14:38,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:38,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:14:38,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:14:38,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:14:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-12-02 13:14:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-12-02 13:14:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-12-02 13:14:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-12-02 13:14:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 13:14:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 13:14:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 13:14:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 13:14:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-12-02 13:14:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 13:14:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 13:14:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-12-02 13:14:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 13:14:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 13:14:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 13:14:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-12-02 13:14:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 13:14:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 13:14:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 13:14:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 13:14:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:14:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 13:14:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:14:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 13:14:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-12-02 13:14:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 13:14:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 13:14:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 13:14:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 13:14:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-12-02 13:14:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-12-02 13:14:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-12-02 13:14:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-12-02 13:14:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:14:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-12-02 13:14:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-12-02 13:14:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-12-02 13:14:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-12-02 13:14:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:14:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-12-02 13:14:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-12-02 13:14:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 13:14:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 13:14:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 13:14:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 13:14:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:14:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:14:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:14:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:14:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:14:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:14:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-12-02 13:14:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-12-02 13:14:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 13:14:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-12-02 13:14:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 13:14:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 13:14:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 13:14:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 13:14:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 13:14:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 13:14:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 13:14:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 13:14:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-12-02 13:14:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:14:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:14:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:14:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:14:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:14:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:14:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-12-02 13:14:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:14:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:14:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 13:14:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 13:14:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 13:14:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 13:14:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 13:14:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 13:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 13:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 13:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 13:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 13:14:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 13:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 13:14:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-12-02 13:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-12-02 13:14:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 13:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 13:14:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-12-02 13:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-12-02 13:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-12-02 13:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 13:14:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 13:14:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-12-02 13:14:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 13:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 13:14:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 13:14:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 13:14:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 13:14:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-12-02 13:14:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 13:14:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:14:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:14:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:14:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:14:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:14:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:14:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-12-02 13:14:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 13:14:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-12-02 13:14:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-12-02 13:14:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-12-02 13:14:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-12-02 13:14:39,006 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:14:39,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:14:39,163 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:14:49,284 INFO L? ?]: Removed 2890 outVars from TransFormulas that were not future-live. [2024-12-02 13:14:49,285 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:14:49,328 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:14:49,328 INFO L312 CfgBuilder]: Removed 21 assume(true) statements. [2024-12-02 13:14:49,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:49 BoogieIcfgContainer [2024-12-02 13:14:49,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:14:49,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:14:49,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:14:49,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:14:49,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:14:33" (1/3) ... [2024-12-02 13:14:49,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6891f570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:49, skipping insertion in model container [2024-12-02 13:14:49,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:36" (2/3) ... [2024-12-02 13:14:49,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6891f570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:49, skipping insertion in model container [2024-12-02 13:14:49,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:49" (3/3) ... [2024-12-02 13:14:49,338 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 13:14:49,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:14:49,355 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i that has 128 procedures, 2738 locations, 1 initial locations, 43 loop locations, and 1 error locations. [2024-12-02 13:14:49,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:14:49,464 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;@40f643ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:14:49,464 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:14:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 2570 states, 1872 states have (on average 1.3701923076923077) internal successors, (2565), 1915 states have internal predecessors, (2565), 607 states have call successors, (607), 90 states have call predecessors, (607), 89 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-12-02 13:14:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 13:14:49,489 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:49,490 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:14:49,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:49,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:49,495 INFO L85 PathProgramCache]: Analyzing trace with hash 334166671, now seen corresponding path program 1 times [2024-12-02 13:14:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:49,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243065035] [2024-12-02 13:14:49,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:49,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:14:55,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:55,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243065035] [2024-12-02 13:14:55,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243065035] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:55,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:55,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:14:55,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361044352] [2024-12-02 13:14:55,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:55,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:14:55,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:55,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:14:55,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:14:55,196 INFO L87 Difference]: Start difference. First operand has 2570 states, 1872 states have (on average 1.3701923076923077) internal successors, (2565), 1915 states have internal predecessors, (2565), 607 states have call successors, (607), 90 states have call predecessors, (607), 89 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:14:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:55,416 INFO L93 Difference]: Finished difference Result 5110 states and 7616 transitions. [2024-12-02 13:14:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:14:55,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-12-02 13:14:55,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:55,449 INFO L225 Difference]: With dead ends: 5110 [2024-12-02 13:14:55,449 INFO L226 Difference]: Without dead ends: 2309 [2024-12-02 13:14:55,472 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 13:14:55,475 INFO L435 NwaCegarLoop]: 3724 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, 3724 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 13:14:55,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3724 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:14:55,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-12-02 13:14:55,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-12-02 13:14:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1686 states have (on average 1.3368920521945433) internal successors, (2254), 1726 states have internal predecessors, (2254), 535 states have call successors, (535), 87 states have call predecessors, (535), 87 states have return successors, (534), 523 states have call predecessors, (534), 534 states have call successors, (534) [2024-12-02 13:14:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3323 transitions. [2024-12-02 13:14:55,666 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3323 transitions. Word has length 120 [2024-12-02 13:14:55,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:55,668 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3323 transitions. [2024-12-02 13:14:55,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:14:55,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3323 transitions. [2024-12-02 13:14:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 13:14:55,673 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:55,673 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:14:55,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:14:55,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:55,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:55,674 INFO L85 PathProgramCache]: Analyzing trace with hash 303386675, now seen corresponding path program 1 times [2024-12-02 13:14:55,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:55,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853701417] [2024-12-02 13:14:55,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:55,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:15:01,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:01,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853701417] [2024-12-02 13:15:01,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853701417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:01,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:01,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:15:01,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500708342] [2024-12-02 13:15:01,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:01,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:15:01,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:01,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:15:01,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:15:01,507 INFO L87 Difference]: Start difference. First operand 2309 states and 3323 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:15:05,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:15:14,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:14,322 INFO L93 Difference]: Finished difference Result 4598 states and 6632 transitions. [2024-12-02 13:15:14,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:14,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-12-02 13:15:14,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:14,377 INFO L225 Difference]: With dead ends: 4598 [2024-12-02 13:15:14,378 INFO L226 Difference]: Without dead ends: 2309 [2024-12-02 13:15:14,387 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 13:15:14,388 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 3285 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 5572 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:14,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 5572 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1071 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2024-12-02 13:15:14,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-12-02 13:15:14,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-12-02 13:15:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1686 states have (on average 1.3362989323843417) internal successors, (2253), 1726 states have internal predecessors, (2253), 535 states have call successors, (535), 87 states have call predecessors, (535), 87 states have return successors, (534), 523 states have call predecessors, (534), 534 states have call successors, (534) [2024-12-02 13:15:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3322 transitions. [2024-12-02 13:15:14,533 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3322 transitions. Word has length 121 [2024-12-02 13:15:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:14,534 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3322 transitions. [2024-12-02 13:15:14,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:15:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3322 transitions. [2024-12-02 13:15:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 13:15:14,537 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:14,537 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:15:14,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:15:14,538 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:14,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:14,539 INFO L85 PathProgramCache]: Analyzing trace with hash 2025221314, now seen corresponding path program 1 times [2024-12-02 13:15:14,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:14,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435343947] [2024-12-02 13:15:14,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:14,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:15:20,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:20,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435343947] [2024-12-02 13:15:20,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435343947] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:20,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:20,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:15:20,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483777116] [2024-12-02 13:15:20,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:20,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:15:20,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:20,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:15:20,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:15:20,200 INFO L87 Difference]: Start difference. First operand 2309 states and 3322 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:15:24,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:15:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:34,392 INFO L93 Difference]: Finished difference Result 4598 states and 6630 transitions. [2024-12-02 13:15:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:34,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-12-02 13:15:34,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:34,405 INFO L225 Difference]: With dead ends: 4598 [2024-12-02 13:15:34,405 INFO L226 Difference]: Without dead ends: 2309 [2024-12-02 13:15:34,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:15:34,413 INFO L435 NwaCegarLoop]: 3319 mSDtfsCounter, 4474 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4474 SdHoareTripleChecker+Valid, 5568 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:34,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4474 Valid, 5568 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2024-12-02 13:15:34,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-12-02 13:15:34,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-12-02 13:15:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1686 states have (on average 1.33570581257414) internal successors, (2252), 1726 states have internal predecessors, (2252), 535 states have call successors, (535), 87 states have call predecessors, (535), 87 states have return successors, (534), 523 states have call predecessors, (534), 534 states have call successors, (534) [2024-12-02 13:15:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3321 transitions. [2024-12-02 13:15:34,495 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3321 transitions. Word has length 122 [2024-12-02 13:15:34,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:34,496 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3321 transitions. [2024-12-02 13:15:34,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:15:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3321 transitions. [2024-12-02 13:15:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 13:15:34,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:34,498 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:15:34,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:15:34,498 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:34,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:34,499 INFO L85 PathProgramCache]: Analyzing trace with hash -317963121, now seen corresponding path program 1 times [2024-12-02 13:15:34,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:34,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790059696] [2024-12-02 13:15:34,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:34,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:15:39,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:39,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790059696] [2024-12-02 13:15:39,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790059696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:39,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:39,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:15:39,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101446665] [2024-12-02 13:15:39,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:39,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:15:39,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:39,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:15:39,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:15:39,684 INFO L87 Difference]: Start difference. First operand 2309 states and 3321 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:15:43,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:15:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:54,591 INFO L93 Difference]: Finished difference Result 4598 states and 6628 transitions. [2024-12-02 13:15:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:54,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-12-02 13:15:54,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:54,605 INFO L225 Difference]: With dead ends: 4598 [2024-12-02 13:15:54,605 INFO L226 Difference]: Without dead ends: 2309 [2024-12-02 13:15:54,613 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 13:15:54,613 INFO L435 NwaCegarLoop]: 3318 mSDtfsCounter, 4471 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4471 SdHoareTripleChecker+Valid, 5566 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:54,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4471 Valid, 5566 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2024-12-02 13:15:54,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-12-02 13:15:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-12-02 13:15:54,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1686 states have (on average 1.3351126927639383) internal successors, (2251), 1726 states have internal predecessors, (2251), 535 states have call successors, (535), 87 states have call predecessors, (535), 87 states have return successors, (534), 523 states have call predecessors, (534), 534 states have call successors, (534) [2024-12-02 13:15:54,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3320 transitions. [2024-12-02 13:15:54,750 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3320 transitions. Word has length 123 [2024-12-02 13:15:54,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:54,750 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3320 transitions. [2024-12-02 13:15:54,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:15:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3320 transitions. [2024-12-02 13:15:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:15:54,752 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:54,752 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:15:54,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:15:54,753 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:54,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:54,754 INFO L85 PathProgramCache]: Analyzing trace with hash 172280030, now seen corresponding path program 1 times [2024-12-02 13:15:54,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:54,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248966880] [2024-12-02 13:15:54,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:54,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:15:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:15:59,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:59,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248966880] [2024-12-02 13:15:59,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248966880] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:59,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:59,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:15:59,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390644627] [2024-12-02 13:15:59,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:59,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:15:59,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:59,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:15:59,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:15:59,834 INFO L87 Difference]: Start difference. First operand 2309 states and 3320 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:16:03,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:16:15,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:16:15,060 INFO L93 Difference]: Finished difference Result 4598 states and 6626 transitions. [2024-12-02 13:16:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:16:15,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-12-02 13:16:15,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:16:15,072 INFO L225 Difference]: With dead ends: 4598 [2024-12-02 13:16:15,072 INFO L226 Difference]: Without dead ends: 2309 [2024-12-02 13:16:15,079 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 13:16:15,079 INFO L435 NwaCegarLoop]: 3317 mSDtfsCounter, 4468 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4468 SdHoareTripleChecker+Valid, 5564 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:16:15,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4468 Valid, 5564 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2024-12-02 13:16:15,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-12-02 13:16:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-12-02 13:16:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1686 states have (on average 1.3345195729537367) internal successors, (2250), 1726 states have internal predecessors, (2250), 535 states have call successors, (535), 87 states have call predecessors, (535), 87 states have return successors, (534), 523 states have call predecessors, (534), 534 states have call successors, (534) [2024-12-02 13:16:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3319 transitions. [2024-12-02 13:16:15,161 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3319 transitions. Word has length 124 [2024-12-02 13:16:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:16:15,161 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3319 transitions. [2024-12-02 13:16:15,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:16:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3319 transitions. [2024-12-02 13:16:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 13:16:15,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:16:15,163 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:16:15,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:16:15,163 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:16:15,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:15,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1695534869, now seen corresponding path program 1 times [2024-12-02 13:16:15,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:15,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619609214] [2024-12-02 13:16:15,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:16:19,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:19,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619609214] [2024-12-02 13:16:19,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619609214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:19,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:19,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:16:19,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829456059] [2024-12-02 13:16:19,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:19,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:19,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:19,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:19,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:19,977 INFO L87 Difference]: Start difference. First operand 2309 states and 3319 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:16:24,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:16:43,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:16:43,742 INFO L93 Difference]: Finished difference Result 5578 states and 7947 transitions. [2024-12-02 13:16:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:16:43,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-12-02 13:16:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:16:43,760 INFO L225 Difference]: With dead ends: 5578 [2024-12-02 13:16:43,760 INFO L226 Difference]: Without dead ends: 3289 [2024-12-02 13:16:43,767 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 13:16:43,767 INFO L435 NwaCegarLoop]: 3934 mSDtfsCounter, 5449 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 2068 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5462 SdHoareTripleChecker+Valid, 7349 SdHoareTripleChecker+Invalid, 3723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2068 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:16:43,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5462 Valid, 7349 Invalid, 3723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2068 Valid, 1654 Invalid, 1 Unknown, 0 Unchecked, 22.9s Time] [2024-12-02 13:16:43,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2024-12-02 13:16:43,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 3283. [2024-12-02 13:16:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3221897200167154) internal successors, (3164), 2460 states have internal predecessors, (3164), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:16:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4651 transitions. [2024-12-02 13:16:43,904 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4651 transitions. Word has length 125 [2024-12-02 13:16:43,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:16:43,904 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4651 transitions. [2024-12-02 13:16:43,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:16:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4651 transitions. [2024-12-02 13:16:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 13:16:43,906 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:16:43,906 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:16:43,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:16:43,907 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:16:43,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash 646262010, now seen corresponding path program 1 times [2024-12-02 13:16:43,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:43,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398915549] [2024-12-02 13:16:43,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:43,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:16:48,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:48,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398915549] [2024-12-02 13:16:48,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398915549] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:48,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:48,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:16:48,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982605722] [2024-12-02 13:16:48,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:48,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:48,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:48,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:48,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:48,627 INFO L87 Difference]: Start difference. First operand 3283 states and 4651 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:16:52,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:17:04,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:04,721 INFO L93 Difference]: Finished difference Result 6546 states and 9302 transitions. [2024-12-02 13:17:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:04,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-12-02 13:17:04,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:04,744 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:17:04,744 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:17:04,754 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 13:17:04,755 INFO L435 NwaCegarLoop]: 3316 mSDtfsCounter, 4464 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4464 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:04,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4464 Valid, 5562 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2024-12-02 13:17:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:17:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:17:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3209360635185958) internal successors, (3161), 2460 states have internal predecessors, (3161), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:17:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4648 transitions. [2024-12-02 13:17:04,965 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4648 transitions. Word has length 126 [2024-12-02 13:17:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:04,965 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4648 transitions. [2024-12-02 13:17:04,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:17:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4648 transitions. [2024-12-02 13:17:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 13:17:04,968 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:04,968 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:17:04,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:17:04,968 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:04,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:04,968 INFO L85 PathProgramCache]: Analyzing trace with hash 342037831, now seen corresponding path program 1 times [2024-12-02 13:17:04,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:04,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242889034] [2024-12-02 13:17:04,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:04,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:17:09,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:09,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242889034] [2024-12-02 13:17:09,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242889034] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:09,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:09,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:09,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854432003] [2024-12-02 13:17:09,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:09,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:09,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:09,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:09,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:09,880 INFO L87 Difference]: Start difference. First operand 3283 states and 4648 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:17:13,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:17:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:26,003 INFO L93 Difference]: Finished difference Result 6546 states and 9296 transitions. [2024-12-02 13:17:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:26,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2024-12-02 13:17:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:26,018 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:17:26,018 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:17:26,027 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 13:17:26,027 INFO L435 NwaCegarLoop]: 3315 mSDtfsCounter, 4461 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4461 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:26,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4461 Valid, 5560 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2024-12-02 13:17:26,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:17:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:17:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3196824070204765) internal successors, (3158), 2460 states have internal predecessors, (3158), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:17:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4645 transitions. [2024-12-02 13:17:26,160 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4645 transitions. Word has length 127 [2024-12-02 13:17:26,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:26,161 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4645 transitions. [2024-12-02 13:17:26,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:17:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4645 transitions. [2024-12-02 13:17:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 13:17:26,162 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:26,163 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:17:26,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:17:26,163 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:26,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash -384460522, now seen corresponding path program 1 times [2024-12-02 13:17:26,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:26,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386692518] [2024-12-02 13:17:26,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:26,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:17:31,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386692518] [2024-12-02 13:17:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386692518] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:31,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:31,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:31,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480893171] [2024-12-02 13:17:31,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:31,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:31,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:31,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:31,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:31,089 INFO L87 Difference]: Start difference. First operand 3283 states and 4645 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:17:35,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:17:47,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:47,481 INFO L93 Difference]: Finished difference Result 6546 states and 9290 transitions. [2024-12-02 13:17:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:47,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-12-02 13:17:47,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:47,498 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:17:47,498 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:17:47,507 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 13:17:47,507 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 4458 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4458 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:47,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4458 Valid, 5558 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2024-12-02 13:17:47,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:17:47,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:17:47,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3184287505223569) internal successors, (3155), 2460 states have internal predecessors, (3155), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:17:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4642 transitions. [2024-12-02 13:17:47,648 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4642 transitions. Word has length 128 [2024-12-02 13:17:47,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:47,648 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4642 transitions. [2024-12-02 13:17:47,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:17:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4642 transitions. [2024-12-02 13:17:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 13:17:47,650 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:47,650 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:17:47,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:17:47,650 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:47,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:47,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1316556381, now seen corresponding path program 1 times [2024-12-02 13:17:47,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:47,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108344429] [2024-12-02 13:17:47,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:17:52,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:52,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108344429] [2024-12-02 13:17:52,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108344429] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:52,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:17:52,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:17:52,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266910067] [2024-12-02 13:17:52,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:52,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:17:52,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:52,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:17:52,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:52,389 INFO L87 Difference]: Start difference. First operand 3283 states and 4642 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:17:56,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:18:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:08,814 INFO L93 Difference]: Finished difference Result 6546 states and 9284 transitions. [2024-12-02 13:18:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:08,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 129 [2024-12-02 13:18:08,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:08,831 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:18:08,831 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:18:08,840 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 13:18:08,840 INFO L435 NwaCegarLoop]: 3313 mSDtfsCounter, 4455 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4455 SdHoareTripleChecker+Valid, 5556 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:08,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4455 Valid, 5556 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2024-12-02 13:18:08,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:18:09,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:18:09,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3171750940242373) internal successors, (3152), 2460 states have internal predecessors, (3152), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:18:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4639 transitions. [2024-12-02 13:18:09,091 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4639 transitions. Word has length 129 [2024-12-02 13:18:09,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:09,092 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4639 transitions. [2024-12-02 13:18:09,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:18:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4639 transitions. [2024-12-02 13:18:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 13:18:09,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:09,094 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:18:09,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:18:09,094 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:09,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:09,094 INFO L85 PathProgramCache]: Analyzing trace with hash -32240334, now seen corresponding path program 1 times [2024-12-02 13:18:09,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:09,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31790977] [2024-12-02 13:18:09,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:09,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:18:13,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:13,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31790977] [2024-12-02 13:18:13,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31790977] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:13,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:13,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:13,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151348164] [2024-12-02 13:18:13,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:13,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:13,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:13,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:13,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:13,980 INFO L87 Difference]: Start difference. First operand 3283 states and 4639 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:18:18,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:18:30,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:30,692 INFO L93 Difference]: Finished difference Result 6546 states and 9278 transitions. [2024-12-02 13:18:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:30,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2024-12-02 13:18:30,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:30,708 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:18:30,708 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:18:30,717 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 13:18:30,718 INFO L435 NwaCegarLoop]: 3312 mSDtfsCounter, 4452 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4452 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:30,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4452 Valid, 5554 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2024-12-02 13:18:30,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:18:30,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:18:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.315921437526118) internal successors, (3149), 2460 states have internal predecessors, (3149), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:18:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4636 transitions. [2024-12-02 13:18:30,919 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4636 transitions. Word has length 130 [2024-12-02 13:18:30,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:30,919 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4636 transitions. [2024-12-02 13:18:30,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:18:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4636 transitions. [2024-12-02 13:18:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 13:18:30,920 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:30,920 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:18:30,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:18:30,920 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:30,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:30,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1241368063, now seen corresponding path program 1 times [2024-12-02 13:18:30,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:30,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903056770] [2024-12-02 13:18:30,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:18:35,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:35,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903056770] [2024-12-02 13:18:35,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903056770] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:35,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:35,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:35,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410588970] [2024-12-02 13:18:35,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:35,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:35,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:35,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:35,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:35,701 INFO L87 Difference]: Start difference. First operand 3283 states and 4636 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:18:39,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:18:52,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:52,603 INFO L93 Difference]: Finished difference Result 6546 states and 9272 transitions. [2024-12-02 13:18:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:52,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2024-12-02 13:18:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:52,619 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:18:52,619 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:18:52,628 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 13:18:52,628 INFO L435 NwaCegarLoop]: 3311 mSDtfsCounter, 4449 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:52,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 5552 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2024-12-02 13:18:52,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:18:52,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:18:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3146677810279983) internal successors, (3146), 2460 states have internal predecessors, (3146), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:18:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4633 transitions. [2024-12-02 13:18:52,794 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4633 transitions. Word has length 131 [2024-12-02 13:18:52,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:52,794 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4633 transitions. [2024-12-02 13:18:52,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:18:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4633 transitions. [2024-12-02 13:18:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 13:18:52,795 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:52,796 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:18:52,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:18:52,796 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:52,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:52,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2111927986, now seen corresponding path program 1 times [2024-12-02 13:18:52,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:52,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342903501] [2024-12-02 13:18:52,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:52,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:18:57,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:57,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342903501] [2024-12-02 13:18:57,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342903501] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:57,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:57,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:57,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375735538] [2024-12-02 13:18:57,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:57,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:57,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:57,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:57,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:57,729 INFO L87 Difference]: Start difference. First operand 3283 states and 4633 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:19:01,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:19:14,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:14,481 INFO L93 Difference]: Finished difference Result 6546 states and 9266 transitions. [2024-12-02 13:19:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:19:14,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2024-12-02 13:19:14,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:14,495 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:19:14,495 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:19:14,504 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 13:19:14,505 INFO L435 NwaCegarLoop]: 3310 mSDtfsCounter, 4446 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4446 SdHoareTripleChecker+Valid, 5550 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:14,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4446 Valid, 5550 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2024-12-02 13:19:14,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:19:14,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:19:14,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3134141245298787) internal successors, (3143), 2460 states have internal predecessors, (3143), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:19:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4630 transitions. [2024-12-02 13:19:14,681 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4630 transitions. Word has length 132 [2024-12-02 13:19:14,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:14,682 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4630 transitions. [2024-12-02 13:19:14,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:19:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4630 transitions. [2024-12-02 13:19:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 13:19:14,683 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:14,683 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:19:14,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:19:14,683 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:14,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:14,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1424593499, now seen corresponding path program 1 times [2024-12-02 13:19:14,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:14,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320795410] [2024-12-02 13:19:14,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:14,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:19:19,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:19,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320795410] [2024-12-02 13:19:19,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320795410] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:19,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:19,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:19:19,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535763342] [2024-12-02 13:19:19,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:19,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:19:19,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:19,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:19:19,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:19,474 INFO L87 Difference]: Start difference. First operand 3283 states and 4630 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:19:23,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:19:36,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:36,820 INFO L93 Difference]: Finished difference Result 6546 states and 9260 transitions. [2024-12-02 13:19:36,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:19:36,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 133 [2024-12-02 13:19:36,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:36,842 INFO L225 Difference]: With dead ends: 6546 [2024-12-02 13:19:36,842 INFO L226 Difference]: Without dead ends: 3283 [2024-12-02 13:19:36,855 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 13:19:36,856 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 4443 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 5548 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:36,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 5548 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2024-12-02 13:19:36,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-12-02 13:19:37,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-12-02 13:19:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2393 states have (on average 1.3121604680317593) internal successors, (3140), 2460 states have internal predecessors, (3140), 740 states have call successors, (740), 163 states have call predecessors, (740), 149 states have return successors, (747), 696 states have call predecessors, (747), 739 states have call successors, (747) [2024-12-02 13:19:37,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4627 transitions. [2024-12-02 13:19:37,202 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4627 transitions. Word has length 133 [2024-12-02 13:19:37,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:37,202 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4627 transitions. [2024-12-02 13:19:37,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:19:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4627 transitions. [2024-12-02 13:19:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 13:19:37,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:37,204 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:19:37,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:19:37,204 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:37,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1453222650, now seen corresponding path program 1 times [2024-12-02 13:19:37,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:37,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860795939] [2024-12-02 13:19:37,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:37,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:19:42,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:42,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860795939] [2024-12-02 13:19:42,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860795939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:42,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:42,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:19:42,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120790586] [2024-12-02 13:19:42,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:42,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:19:42,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:42,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:19:42,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:42,296 INFO L87 Difference]: Start difference. First operand 3283 states and 4627 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 13:19:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:42,611 INFO L93 Difference]: Finished difference Result 3289 states and 4633 transitions. [2024-12-02 13:19:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:19:42,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 133 [2024-12-02 13:19:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:42,626 INFO L225 Difference]: With dead ends: 3289 [2024-12-02 13:19:42,626 INFO L226 Difference]: Without dead ends: 3287 [2024-12-02 13:19:42,628 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 13:19:42,629 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 9923 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13232 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:42,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13232 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:19:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2024-12-02 13:19:42,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3287. [2024-12-02 13:19:42,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3287 states, 2396 states have (on average 1.3109348914858097) internal successors, (3141), 2463 states have internal predecessors, (3141), 740 states have call successors, (740), 163 states have call predecessors, (740), 150 states have return successors, (748), 697 states have call predecessors, (748), 739 states have call successors, (748) [2024-12-02 13:19:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4629 transitions. [2024-12-02 13:19:42,819 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4629 transitions. Word has length 133 [2024-12-02 13:19:42,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:42,819 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4629 transitions. [2024-12-02 13:19:42,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 13:19:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4629 transitions. [2024-12-02 13:19:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:19:42,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:42,822 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 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] [2024-12-02 13:19:42,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:19:42,823 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:42,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:42,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1038002949, now seen corresponding path program 1 times [2024-12-02 13:19:42,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:42,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437132284] [2024-12-02 13:19:42,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:42,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-02 13:19:47,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:47,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437132284] [2024-12-02 13:19:47,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437132284] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:47,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:47,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:19:47,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986480936] [2024-12-02 13:19:47,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:47,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:19:47,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:47,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:19:47,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:19:47,381 INFO L87 Difference]: Start difference. First operand 3287 states and 4629 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 13:19:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:47,669 INFO L93 Difference]: Finished difference Result 4299 states and 6056 transitions. [2024-12-02 13:19:47,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:19:47,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 204 [2024-12-02 13:19:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:47,683 INFO L225 Difference]: With dead ends: 4299 [2024-12-02 13:19:47,683 INFO L226 Difference]: Without dead ends: 3287 [2024-12-02 13:19:47,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:19:47,687 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 3305 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6614 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 13:19:47,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6614 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:19:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2024-12-02 13:19:47,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3287. [2024-12-02 13:19:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3287 states, 2396 states have (on average 1.310517529215359) internal successors, (3140), 2463 states have internal predecessors, (3140), 740 states have call successors, (740), 163 states have call predecessors, (740), 150 states have return successors, (748), 697 states have call predecessors, (748), 739 states have call successors, (748) [2024-12-02 13:19:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4628 transitions. [2024-12-02 13:19:47,929 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4628 transitions. Word has length 204 [2024-12-02 13:19:47,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:47,929 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4628 transitions. [2024-12-02 13:19:47,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 13:19:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4628 transitions. [2024-12-02 13:19:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 13:19:47,932 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:47,932 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 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] [2024-12-02 13:19:47,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:19:47,933 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:47,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:47,933 INFO L85 PathProgramCache]: Analyzing trace with hash 725079838, now seen corresponding path program 1 times [2024-12-02 13:19:47,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:47,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213566012] [2024-12-02 13:19:47,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 13:19:52,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:52,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213566012] [2024-12-02 13:19:52,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213566012] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:52,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:52,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:19:52,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770800522] [2024-12-02 13:19:52,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:52,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:19:52,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:52,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:19:52,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:19:52,697 INFO L87 Difference]: Start difference. First operand 3287 states and 4628 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 13:19:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:53,188 INFO L93 Difference]: Finished difference Result 6114 states and 8671 transitions. [2024-12-02 13:19:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:19:53,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 220 [2024-12-02 13:19:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:53,208 INFO L225 Difference]: With dead ends: 6114 [2024-12-02 13:19:53,208 INFO L226 Difference]: Without dead ends: 3321 [2024-12-02 13:19:53,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:19:53,220 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 25 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 6596 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:53,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 6596 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:19:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2024-12-02 13:19:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3289. [2024-12-02 13:19:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3289 states, 2398 states have (on average 1.3102585487906588) internal successors, (3142), 2465 states have internal predecessors, (3142), 740 states have call successors, (740), 163 states have call predecessors, (740), 150 states have return successors, (748), 697 states have call predecessors, (748), 739 states have call successors, (748) [2024-12-02 13:19:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 4630 transitions. [2024-12-02 13:19:53,428 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 4630 transitions. Word has length 220 [2024-12-02 13:19:53,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:53,428 INFO L471 AbstractCegarLoop]: Abstraction has 3289 states and 4630 transitions. [2024-12-02 13:19:53,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 13:19:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 4630 transitions. [2024-12-02 13:19:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-12-02 13:19:53,432 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:53,432 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:53,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:19:53,432 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:19:53,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:53,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1419042524, now seen corresponding path program 1 times [2024-12-02 13:19:53,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:53,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424333187] [2024-12-02 13:19:53,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:53,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-12-02 13:19:58,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:58,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424333187] [2024-12-02 13:19:58,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424333187] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:19:58,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501852737] [2024-12-02 13:19:58,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:58,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:19:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:19:58,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:19:58,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:20:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:04,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 4226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:20:04,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-12-02 13:20:04,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:20:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-12-02 13:20:07,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501852737] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:20:07,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:20:07,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 13:20:07,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687469925] [2024-12-02 13:20:07,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:20:07,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:20:07,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:07,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:20:07,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:20:07,267 INFO L87 Difference]: Start difference. First operand 3289 states and 4630 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 13:20:08,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:08,884 INFO L93 Difference]: Finished difference Result 6207 states and 8811 transitions. [2024-12-02 13:20:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:20:08,884 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 268 [2024-12-02 13:20:08,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:08,900 INFO L225 Difference]: With dead ends: 6207 [2024-12-02 13:20:08,901 INFO L226 Difference]: Without dead ends: 3412 [2024-12-02 13:20:08,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:20:08,909 INFO L435 NwaCegarLoop]: 3302 mSDtfsCounter, 124 mSDsluCounter, 9911 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 13213 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:08,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 13213 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:20:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2024-12-02 13:20:09,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3391. [2024-12-02 13:20:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3391 states, 2467 states have (on average 1.3076611268747467) internal successors, (3226), 2537 states have internal predecessors, (3226), 773 states have call successors, (773), 163 states have call predecessors, (773), 150 states have return successors, (781), 730 states have call predecessors, (781), 772 states have call successors, (781) [2024-12-02 13:20:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 4780 transitions. [2024-12-02 13:20:09,234 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 4780 transitions. Word has length 268 [2024-12-02 13:20:09,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:09,234 INFO L471 AbstractCegarLoop]: Abstraction has 3391 states and 4780 transitions. [2024-12-02 13:20:09,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 13:20:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 4780 transitions. [2024-12-02 13:20:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-12-02 13:20:09,241 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:09,241 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:09,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:20:09,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 13:20:09,442 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:09,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:09,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1846120094, now seen corresponding path program 2 times [2024-12-02 13:20:09,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:09,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87295971] [2024-12-02 13:20:09,443 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:20:09,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:13,788 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 13:20:13,788 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:20:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-12-02 13:20:14,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:14,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87295971] [2024-12-02 13:20:14,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87295971] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:14,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:14,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:14,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829451938] [2024-12-02 13:20:14,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:14,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:14,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:14,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:14,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:14,389 INFO L87 Difference]: Start difference. First operand 3391 states and 4780 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 13:20:14,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:14,702 INFO L93 Difference]: Finished difference Result 6289 states and 8911 transitions. [2024-12-02 13:20:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:20:14,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 292 [2024-12-02 13:20:14,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:14,723 INFO L225 Difference]: With dead ends: 6289 [2024-12-02 13:20:14,723 INFO L226 Difference]: Without dead ends: 3392 [2024-12-02 13:20:14,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:14,734 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 3305 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6614 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 13:20:14,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6614 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:20:14,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2024-12-02 13:20:15,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 3392. [2024-12-02 13:20:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3392 states, 2468 states have (on average 1.3075364667747165) internal successors, (3227), 2538 states have internal predecessors, (3227), 773 states have call successors, (773), 163 states have call predecessors, (773), 150 states have return successors, (781), 730 states have call predecessors, (781), 772 states have call successors, (781) [2024-12-02 13:20:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 4781 transitions. [2024-12-02 13:20:15,068 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 4781 transitions. Word has length 292 [2024-12-02 13:20:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:15,069 INFO L471 AbstractCegarLoop]: Abstraction has 3392 states and 4781 transitions. [2024-12-02 13:20:15,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 13:20:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 4781 transitions. [2024-12-02 13:20:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-12-02 13:20:15,075 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:15,076 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:20:15,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:20:15,076 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:15,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:15,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1573741075, now seen corresponding path program 1 times [2024-12-02 13:20:15,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:15,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584117901] [2024-12-02 13:20:15,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:15,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:20:19,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:19,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584117901] [2024-12-02 13:20:19,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584117901] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:19,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:19,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:19,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252153699] [2024-12-02 13:20:19,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:19,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:19,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:19,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:19,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:19,762 INFO L87 Difference]: Start difference. First operand 3392 states and 4781 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:20,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:20,071 INFO L93 Difference]: Finished difference Result 6291 states and 8903 transitions. [2024-12-02 13:20:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:20:20,072 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), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 294 [2024-12-02 13:20:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:20,092 INFO L225 Difference]: With dead ends: 6291 [2024-12-02 13:20:20,092 INFO L226 Difference]: Without dead ends: 3393 [2024-12-02 13:20:20,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:20,103 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6611 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:20,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6611 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:20:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2024-12-02 13:20:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3393. [2024-12-02 13:20:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2469 states have (on average 1.307411907654921) internal successors, (3228), 2539 states have internal predecessors, (3228), 773 states have call successors, (773), 163 states have call predecessors, (773), 150 states have return successors, (781), 730 states have call predecessors, (781), 772 states have call successors, (781) [2024-12-02 13:20:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4782 transitions. [2024-12-02 13:20:20,439 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4782 transitions. Word has length 294 [2024-12-02 13:20:20,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:20,439 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4782 transitions. [2024-12-02 13:20:20,439 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), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4782 transitions. [2024-12-02 13:20:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-12-02 13:20:20,445 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:20,445 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-12-02 13:20:20,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:20:20,445 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:20,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:20,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1775536891, now seen corresponding path program 1 times [2024-12-02 13:20:20,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:20,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495002995] [2024-12-02 13:20:20,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:20,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 13:20:25,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:25,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495002995] [2024-12-02 13:20:25,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495002995] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:20:25,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408193527] [2024-12-02 13:20:25,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:25,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:25,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:25,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:20:25,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:20:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:32,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 4097 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:20:32,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 13:20:32,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:20:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 13:20:35,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408193527] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:20:35,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:20:35,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-12-02 13:20:35,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914618890] [2024-12-02 13:20:35,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:20:35,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:20:35,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:35,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:20:35,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:20:35,674 INFO L87 Difference]: Start difference. First operand 3393 states and 4782 transitions. Second operand has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 13 states have internal predecessors, (166), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 13:20:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:39,555 INFO L93 Difference]: Finished difference Result 6517 states and 9271 transitions. [2024-12-02 13:20:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:20:39,556 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 13 states have internal predecessors, (166), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 253 [2024-12-02 13:20:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:39,573 INFO L225 Difference]: With dead ends: 6517 [2024-12-02 13:20:39,573 INFO L226 Difference]: Without dead ends: 3618 [2024-12-02 13:20:39,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:20:39,582 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 338 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 13370 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:39,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 13370 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-12-02 13:20:39,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2024-12-02 13:20:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3597. [2024-12-02 13:20:39,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3597 states, 2607 states have (on average 1.3026467203682393) internal successors, (3396), 2683 states have internal predecessors, (3396), 839 states have call successors, (839), 163 states have call predecessors, (839), 150 states have return successors, (847), 796 states have call predecessors, (847), 838 states have call successors, (847) [2024-12-02 13:20:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5082 transitions. [2024-12-02 13:20:39,802 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5082 transitions. Word has length 253 [2024-12-02 13:20:39,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:39,802 INFO L471 AbstractCegarLoop]: Abstraction has 3597 states and 5082 transitions. [2024-12-02 13:20:39,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 13 states have internal predecessors, (166), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 13:20:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5082 transitions. [2024-12-02 13:20:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-12-02 13:20:39,807 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:39,807 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:20:39,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:20:40,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:40,007 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:40,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:40,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1198508889, now seen corresponding path program 1 times [2024-12-02 13:20:40,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:40,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185328665] [2024-12-02 13:20:40,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:40,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:20:45,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:45,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185328665] [2024-12-02 13:20:45,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185328665] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:45,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:45,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:45,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591632242] [2024-12-02 13:20:45,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:45,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:45,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:45,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:45,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:45,195 INFO L87 Difference]: Start difference. First operand 3597 states and 5082 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:45,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:45,495 INFO L93 Difference]: Finished difference Result 6701 states and 9505 transitions. [2024-12-02 13:20:45,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:20:45,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 296 [2024-12-02 13:20:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:45,512 INFO L225 Difference]: With dead ends: 6701 [2024-12-02 13:20:45,512 INFO L226 Difference]: Without dead ends: 3598 [2024-12-02 13:20:45,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:45,522 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 3303 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6612 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:45,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6612 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:20:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2024-12-02 13:20:45,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3598. [2024-12-02 13:20:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3598 states, 2608 states have (on average 1.3025306748466257) internal successors, (3397), 2684 states have internal predecessors, (3397), 839 states have call successors, (839), 163 states have call predecessors, (839), 150 states have return successors, (847), 796 states have call predecessors, (847), 838 states have call successors, (847) [2024-12-02 13:20:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 5083 transitions. [2024-12-02 13:20:45,746 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 5083 transitions. Word has length 296 [2024-12-02 13:20:45,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:45,747 INFO L471 AbstractCegarLoop]: Abstraction has 3598 states and 5083 transitions. [2024-12-02 13:20:45,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5083 transitions. [2024-12-02 13:20:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-12-02 13:20:45,752 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:45,752 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:20:45,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 13:20:45,752 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:45,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:45,753 INFO L85 PathProgramCache]: Analyzing trace with hash -812852225, now seen corresponding path program 1 times [2024-12-02 13:20:45,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:45,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422375693] [2024-12-02 13:20:45,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:45,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:20:50,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:50,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422375693] [2024-12-02 13:20:50,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422375693] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:50,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:50,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840155587] [2024-12-02 13:20:50,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:50,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:50,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:50,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:50,548 INFO L87 Difference]: Start difference. First operand 3598 states and 5083 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:51,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:51,047 INFO L93 Difference]: Finished difference Result 6919 states and 9847 transitions. [2024-12-02 13:20:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:20:51,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 297 [2024-12-02 13:20:51,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:51,062 INFO L225 Difference]: With dead ends: 6919 [2024-12-02 13:20:51,062 INFO L226 Difference]: Without dead ends: 3815 [2024-12-02 13:20:51,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:51,069 INFO L435 NwaCegarLoop]: 3367 mSDtfsCounter, 246 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 6658 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:51,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 6658 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:20:51,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2024-12-02 13:20:51,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3808. [2024-12-02 13:20:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 2776 states have (on average 1.3126801152737753) internal successors, (3644), 2853 states have internal predecessors, (3644), 881 states have call successors, (881), 163 states have call predecessors, (881), 150 states have return successors, (889), 838 states have call predecessors, (889), 880 states have call successors, (889) [2024-12-02 13:20:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5414 transitions. [2024-12-02 13:20:51,277 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5414 transitions. Word has length 297 [2024-12-02 13:20:51,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:51,277 INFO L471 AbstractCegarLoop]: Abstraction has 3808 states and 5414 transitions. [2024-12-02 13:20:51,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5414 transitions. [2024-12-02 13:20:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-12-02 13:20:51,281 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:51,282 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:20:51,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 13:20:51,282 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:51,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:51,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1209230435, now seen corresponding path program 1 times [2024-12-02 13:20:51,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:51,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375734605] [2024-12-02 13:20:51,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:20:56,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:56,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375734605] [2024-12-02 13:20:56,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375734605] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:56,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:56,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:20:56,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015399594] [2024-12-02 13:20:56,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:56,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:20:56,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:56,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:20:56,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:56,118 INFO L87 Difference]: Start difference. First operand 3808 states and 5414 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:56,799 INFO L93 Difference]: Finished difference Result 7345 states and 10518 transitions. [2024-12-02 13:20:56,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:20:56,799 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), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 300 [2024-12-02 13:20:56,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:56,819 INFO L225 Difference]: With dead ends: 7345 [2024-12-02 13:20:56,819 INFO L226 Difference]: Without dead ends: 4031 [2024-12-02 13:20:56,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:20:56,830 INFO L435 NwaCegarLoop]: 3557 mSDtfsCounter, 255 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 6874 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:56,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 6874 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:20:56,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2024-12-02 13:20:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 4023. [2024-12-02 13:20:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4023 states, 2949 states have (on average 1.3211258053577484) internal successors, (3896), 3027 states have internal predecessors, (3896), 923 states have call successors, (923), 163 states have call predecessors, (923), 150 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:20:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5750 transitions. [2024-12-02 13:20:57,064 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5750 transitions. Word has length 300 [2024-12-02 13:20:57,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:57,065 INFO L471 AbstractCegarLoop]: Abstraction has 4023 states and 5750 transitions. [2024-12-02 13:20:57,065 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), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:20:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5750 transitions. [2024-12-02 13:20:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-12-02 13:20:57,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:57,071 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:20:57,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:20:57,071 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:57,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1631840957, now seen corresponding path program 1 times [2024-12-02 13:20:57,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:57,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700941958] [2024-12-02 13:20:57,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:57,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:01,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:01,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700941958] [2024-12-02 13:21:01,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700941958] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:01,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:01,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:21:01,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343705114] [2024-12-02 13:21:01,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:01,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:21:01,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:01,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:21:01,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:01,869 INFO L87 Difference]: Start difference. First operand 4023 states and 5750 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:02,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:02,515 INFO L93 Difference]: Finished difference Result 7655 states and 10991 transitions. [2024-12-02 13:21:02,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:21:02,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 301 [2024-12-02 13:21:02,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:02,534 INFO L225 Difference]: With dead ends: 7655 [2024-12-02 13:21:02,535 INFO L226 Difference]: Without dead ends: 4126 [2024-12-02 13:21:02,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:02,546 INFO L435 NwaCegarLoop]: 3422 mSDtfsCounter, 254 mSDsluCounter, 3303 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 6725 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:02,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 6725 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:21:02,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-12-02 13:21:02,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4069. [2024-12-02 13:21:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4069 states, 2986 states have (on average 1.3218352310783656) internal successors, (3947), 3064 states have internal predecessors, (3947), 932 states have call successors, (932), 163 states have call predecessors, (932), 150 states have return successors, (940), 889 states have call predecessors, (940), 931 states have call successors, (940) [2024-12-02 13:21:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 4069 states and 5819 transitions. [2024-12-02 13:21:02,779 INFO L78 Accepts]: Start accepts. Automaton has 4069 states and 5819 transitions. Word has length 301 [2024-12-02 13:21:02,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:02,780 INFO L471 AbstractCegarLoop]: Abstraction has 4069 states and 5819 transitions. [2024-12-02 13:21:02,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:02,780 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 5819 transitions. [2024-12-02 13:21:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-12-02 13:21:02,786 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:02,786 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:02,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 13:21:02,786 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:02,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:02,787 INFO L85 PathProgramCache]: Analyzing trace with hash 665280147, now seen corresponding path program 1 times [2024-12-02 13:21:02,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:02,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848158985] [2024-12-02 13:21:02,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:02,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:07,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848158985] [2024-12-02 13:21:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848158985] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:07,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:07,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:21:07,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305616554] [2024-12-02 13:21:07,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:07,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:21:07,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:07,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:21:07,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:07,633 INFO L87 Difference]: Start difference. First operand 4069 states and 5819 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:08,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:08,277 INFO L93 Difference]: Finished difference Result 7701 states and 11059 transitions. [2024-12-02 13:21:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:21:08,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 304 [2024-12-02 13:21:08,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:08,296 INFO L225 Difference]: With dead ends: 7701 [2024-12-02 13:21:08,296 INFO L226 Difference]: Without dead ends: 4126 [2024-12-02 13:21:08,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:08,306 INFO L435 NwaCegarLoop]: 3532 mSDtfsCounter, 251 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 6848 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:08,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 6848 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:21:08,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-12-02 13:21:08,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4023. [2024-12-02 13:21:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4023 states, 2949 states have (on average 1.3211258053577484) internal successors, (3896), 3027 states have internal predecessors, (3896), 923 states have call successors, (923), 163 states have call predecessors, (923), 150 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:21:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5750 transitions. [2024-12-02 13:21:08,543 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5750 transitions. Word has length 304 [2024-12-02 13:21:08,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:08,543 INFO L471 AbstractCegarLoop]: Abstraction has 4023 states and 5750 transitions. [2024-12-02 13:21:08,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5750 transitions. [2024-12-02 13:21:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-12-02 13:21:08,548 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:08,548 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:08,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 13:21:08,549 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:08,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash 76217546, now seen corresponding path program 1 times [2024-12-02 13:21:08,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:08,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669475173] [2024-12-02 13:21:08,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:08,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:14,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:14,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669475173] [2024-12-02 13:21:14,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669475173] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:14,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:14,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:21:14,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591864712] [2024-12-02 13:21:14,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:14,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:21:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:14,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:21:14,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:14,056 INFO L87 Difference]: Start difference. First operand 4023 states and 5750 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:14,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:14,559 INFO L93 Difference]: Finished difference Result 7553 states and 10841 transitions. [2024-12-02 13:21:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:21:14,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 305 [2024-12-02 13:21:14,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:14,576 INFO L225 Difference]: With dead ends: 7553 [2024-12-02 13:21:14,576 INFO L226 Difference]: Without dead ends: 4024 [2024-12-02 13:21:14,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:14,585 INFO L435 NwaCegarLoop]: 3310 mSDtfsCounter, 0 mSDsluCounter, 3284 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6594 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:14,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6594 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:21:14,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4024 states. [2024-12-02 13:21:14,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4024 to 4024. [2024-12-02 13:21:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4024 states, 2950 states have (on average 1.3210169491525423) internal successors, (3897), 3028 states have internal predecessors, (3897), 923 states have call successors, (923), 163 states have call predecessors, (923), 150 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:21:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 4024 states and 5751 transitions. [2024-12-02 13:21:14,830 INFO L78 Accepts]: Start accepts. Automaton has 4024 states and 5751 transitions. Word has length 305 [2024-12-02 13:21:14,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:14,830 INFO L471 AbstractCegarLoop]: Abstraction has 4024 states and 5751 transitions. [2024-12-02 13:21:14,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 5751 transitions. [2024-12-02 13:21:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-12-02 13:21:14,837 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:14,837 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:14,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 13:21:14,837 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:14,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2072139276, now seen corresponding path program 1 times [2024-12-02 13:21:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356016174] [2024-12-02 13:21:14,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:20,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:20,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356016174] [2024-12-02 13:21:20,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356016174] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:20,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:20,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:21:20,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740091338] [2024-12-02 13:21:20,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:20,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:21:20,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:20,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:21:20,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:20,297 INFO L87 Difference]: Start difference. First operand 4024 states and 5751 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:20,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:20,840 INFO L93 Difference]: Finished difference Result 7555 states and 10843 transitions. [2024-12-02 13:21:20,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:21:20,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 303 [2024-12-02 13:21:20,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:20,860 INFO L225 Difference]: With dead ends: 7555 [2024-12-02 13:21:20,860 INFO L226 Difference]: Without dead ends: 4025 [2024-12-02 13:21:20,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:21:20,870 INFO L435 NwaCegarLoop]: 3310 mSDtfsCounter, 0 mSDsluCounter, 3284 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6594 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:20,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6594 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:21:20,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4025 states. [2024-12-02 13:21:21,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 4025. [2024-12-02 13:21:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4025 states, 2951 states have (on average 1.3209081667231446) internal successors, (3898), 3029 states have internal predecessors, (3898), 923 states have call successors, (923), 163 states have call predecessors, (923), 150 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:21:21,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 4025 states and 5752 transitions. [2024-12-02 13:21:21,107 INFO L78 Accepts]: Start accepts. Automaton has 4025 states and 5752 transitions. Word has length 303 [2024-12-02 13:21:21,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:21,108 INFO L471 AbstractCegarLoop]: Abstraction has 4025 states and 5752 transitions. [2024-12-02 13:21:21,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4025 states and 5752 transitions. [2024-12-02 13:21:21,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-12-02 13:21:21,113 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:21,113 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:21,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 13:21:21,113 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:21,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:21,114 INFO L85 PathProgramCache]: Analyzing trace with hash 2053216519, now seen corresponding path program 1 times [2024-12-02 13:21:21,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:21,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677736962] [2024-12-02 13:21:21,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:21,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:26,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:26,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677736962] [2024-12-02 13:21:26,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677736962] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:26,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:26,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:21:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42858731] [2024-12-02 13:21:26,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:26,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:21:26,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:26,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:21:26,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:21:26,727 INFO L87 Difference]: Start difference. First operand 4025 states and 5752 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:21:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:28,073 INFO L93 Difference]: Finished difference Result 7627 states and 10945 transitions. [2024-12-02 13:21:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:21:28,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 305 [2024-12-02 13:21:28,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:28,092 INFO L225 Difference]: With dead ends: 7627 [2024-12-02 13:21:28,092 INFO L226 Difference]: Without dead ends: 4096 [2024-12-02 13:21:28,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 13:21:28,102 INFO L435 NwaCegarLoop]: 3342 mSDtfsCounter, 65 mSDsluCounter, 6602 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 9944 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:28,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 9944 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:21:28,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2024-12-02 13:21:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 4031. [2024-12-02 13:21:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4031 states, 2957 states have (on average 1.3209333784240784) internal successors, (3906), 3035 states have internal predecessors, (3906), 923 states have call successors, (923), 163 states have call predecessors, (923), 150 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:21:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 4031 states and 5760 transitions. [2024-12-02 13:21:28,343 INFO L78 Accepts]: Start accepts. Automaton has 4031 states and 5760 transitions. Word has length 305 [2024-12-02 13:21:28,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:28,344 INFO L471 AbstractCegarLoop]: Abstraction has 4031 states and 5760 transitions. [2024-12-02 13:21:28,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:21:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 4031 states and 5760 transitions. [2024-12-02 13:21:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-12-02 13:21:28,350 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:28,350 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:28,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 13:21:28,350 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:28,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:28,351 INFO L85 PathProgramCache]: Analyzing trace with hash 250930006, now seen corresponding path program 1 times [2024-12-02 13:21:28,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:28,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522732776] [2024-12-02 13:21:28,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:28,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:34,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:34,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522732776] [2024-12-02 13:21:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522732776] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:34,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:34,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:21:34,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797182946] [2024-12-02 13:21:34,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:34,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:21:34,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:34,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:21:34,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:21:34,819 INFO L87 Difference]: Start difference. First operand 4031 states and 5760 transitions. Second operand has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:21:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:36,163 INFO L93 Difference]: Finished difference Result 7569 states and 10863 transitions. [2024-12-02 13:21:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:21:36,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 303 [2024-12-02 13:21:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:36,182 INFO L225 Difference]: With dead ends: 7569 [2024-12-02 13:21:36,182 INFO L226 Difference]: Without dead ends: 4032 [2024-12-02 13:21:36,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:21:36,191 INFO L435 NwaCegarLoop]: 3294 mSDtfsCounter, 15 mSDsluCounter, 9842 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13136 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:36,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 13136 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:21:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2024-12-02 13:21:36,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 4027. [2024-12-02 13:21:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4027 states, 2953 states have (on average 1.3206908228919743) internal successors, (3900), 3031 states have internal predecessors, (3900), 923 states have call successors, (923), 163 states have call predecessors, (923), 150 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:21:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 5754 transitions. [2024-12-02 13:21:36,451 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 5754 transitions. Word has length 303 [2024-12-02 13:21:36,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:36,452 INFO L471 AbstractCegarLoop]: Abstraction has 4027 states and 5754 transitions. [2024-12-02 13:21:36,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:21:36,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 5754 transitions. [2024-12-02 13:21:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-12-02 13:21:36,456 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:36,456 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:36,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 13:21:36,456 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:36,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:36,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2107464373, now seen corresponding path program 1 times [2024-12-02 13:21:36,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:36,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274434984] [2024-12-02 13:21:36,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:36,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:41,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:41,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274434984] [2024-12-02 13:21:41,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274434984] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:41,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:41,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:21:41,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357540786] [2024-12-02 13:21:41,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:41,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:21:41,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:41,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:21:41,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:21:41,585 INFO L87 Difference]: Start difference. First operand 4027 states and 5754 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:42,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:42,006 INFO L93 Difference]: Finished difference Result 7562 states and 10850 transitions. [2024-12-02 13:21:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:21:42,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 306 [2024-12-02 13:21:42,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:42,025 INFO L225 Difference]: With dead ends: 7562 [2024-12-02 13:21:42,025 INFO L226 Difference]: Without dead ends: 4029 [2024-12-02 13:21:42,035 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 13:21:42,035 INFO L435 NwaCegarLoop]: 3307 mSDtfsCounter, 0 mSDsluCounter, 6603 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9910 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:42,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9910 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:21:42,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2024-12-02 13:21:42,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 4029. [2024-12-02 13:21:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4029 states, 2955 states have (on average 1.3204737732656515) internal successors, (3902), 3033 states have internal predecessors, (3902), 923 states have call successors, (923), 163 states have call predecessors, (923), 150 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:21:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4029 states to 4029 states and 5756 transitions. [2024-12-02 13:21:42,261 INFO L78 Accepts]: Start accepts. Automaton has 4029 states and 5756 transitions. Word has length 306 [2024-12-02 13:21:42,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:42,261 INFO L471 AbstractCegarLoop]: Abstraction has 4029 states and 5756 transitions. [2024-12-02 13:21:42,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 4029 states and 5756 transitions. [2024-12-02 13:21:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-12-02 13:21:42,266 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:42,266 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:42,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 13:21:42,266 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:42,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2083860339, now seen corresponding path program 1 times [2024-12-02 13:21:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:42,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769407222] [2024-12-02 13:21:42,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:48,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:48,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769407222] [2024-12-02 13:21:48,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769407222] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:48,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:48,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:21:48,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612610376] [2024-12-02 13:21:48,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:48,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:21:48,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:48,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:21:48,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:21:48,043 INFO L87 Difference]: Start difference. First operand 4029 states and 5756 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:48,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:48,529 INFO L93 Difference]: Finished difference Result 7568 states and 10856 transitions. [2024-12-02 13:21:48,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:21:48,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 305 [2024-12-02 13:21:48,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:48,551 INFO L225 Difference]: With dead ends: 7568 [2024-12-02 13:21:48,551 INFO L226 Difference]: Without dead ends: 4033 [2024-12-02 13:21:48,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:21:48,560 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 4 mSDsluCounter, 9915 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13224 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:48,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13224 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:21:48,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2024-12-02 13:21:48,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4033. [2024-12-02 13:21:48,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4033 states, 2958 states have (on average 1.3201487491548343) internal successors, (3905), 3036 states have internal predecessors, (3905), 923 states have call successors, (923), 164 states have call predecessors, (923), 151 states have return successors, (931), 880 states have call predecessors, (931), 922 states have call successors, (931) [2024-12-02 13:21:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4033 states to 4033 states and 5759 transitions. [2024-12-02 13:21:48,789 INFO L78 Accepts]: Start accepts. Automaton has 4033 states and 5759 transitions. Word has length 305 [2024-12-02 13:21:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:48,789 INFO L471 AbstractCegarLoop]: Abstraction has 4033 states and 5759 transitions. [2024-12-02 13:21:48,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 5759 transitions. [2024-12-02 13:21:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 13:21:48,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:48,794 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 13:21:48,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 13:21:48,794 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:48,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:48,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1732292124, now seen corresponding path program 1 times [2024-12-02 13:21:48,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:48,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504827801] [2024-12-02 13:21:48,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:48,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:21:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:21:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-02 13:21:54,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:21:54,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504827801] [2024-12-02 13:21:54,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504827801] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:21:54,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:21:54,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:21:54,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793908222] [2024-12-02 13:21:54,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:21:54,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:21:54,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:21:54,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:21:54,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:21:54,312 INFO L87 Difference]: Start difference. First operand 4033 states and 5759 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:55,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:21:55,067 INFO L93 Difference]: Finished difference Result 7576 states and 10876 transitions. [2024-12-02 13:21:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:21:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 307 [2024-12-02 13:21:55,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:21:55,089 INFO L225 Difference]: With dead ends: 7576 [2024-12-02 13:21:55,089 INFO L226 Difference]: Without dead ends: 3900 [2024-12-02 13:21:55,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:21:55,101 INFO L435 NwaCegarLoop]: 3306 mSDtfsCounter, 8 mSDsluCounter, 13208 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16514 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:21:55,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16514 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:21:55,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2024-12-02 13:21:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3900. [2024-12-02 13:21:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3900 states, 2865 states have (on average 1.3239092495637) internal successors, (3793), 2937 states have internal predecessors, (3793), 882 states have call successors, (882), 165 states have call predecessors, (882), 152 states have return successors, (891), 842 states have call predecessors, (891), 882 states have call successors, (891) [2024-12-02 13:21:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 5566 transitions. [2024-12-02 13:21:55,325 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 5566 transitions. Word has length 307 [2024-12-02 13:21:55,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:21:55,326 INFO L471 AbstractCegarLoop]: Abstraction has 3900 states and 5566 transitions. [2024-12-02 13:21:55,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:21:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 5566 transitions. [2024-12-02 13:21:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-12-02 13:21:55,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:21:55,334 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:21:55,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 13:21:55,334 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:21:55,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:21:55,334 INFO L85 PathProgramCache]: Analyzing trace with hash -605579356, now seen corresponding path program 1 times [2024-12-02 13:21:55,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:21:55,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986970340] [2024-12-02 13:21:55,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:21:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:22:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-12-02 13:22:00,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:22:00,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986970340] [2024-12-02 13:22:00,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986970340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:22:00,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:22:00,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:22:00,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479172804] [2024-12-02 13:22:00,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:22:00,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:22:00,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:22:00,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:22:00,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:22:00,547 INFO L87 Difference]: Start difference. First operand 3900 states and 5566 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 13:22:01,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:22:01,117 INFO L93 Difference]: Finished difference Result 10793 states and 15393 transitions. [2024-12-02 13:22:01,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:22:01,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 399 [2024-12-02 13:22:01,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:22:01,152 INFO L225 Difference]: With dead ends: 10793 [2024-12-02 13:22:01,152 INFO L226 Difference]: Without dead ends: 6911 [2024-12-02 13:22:01,164 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 13:22:01,164 INFO L435 NwaCegarLoop]: 4525 mSDtfsCounter, 2347 mSDsluCounter, 7696 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 12221 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:22:01,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 12221 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:22:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6911 states. [2024-12-02 13:22:01,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 6909. [2024-12-02 13:22:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6909 states, 5027 states have (on average 1.3204694648895963) internal successors, (6638), 5157 states have internal predecessors, (6638), 1596 states have call successors, (1596), 311 states have call predecessors, (1596), 285 states have return successors, (1614), 1520 states have call predecessors, (1614), 1596 states have call successors, (1614) [2024-12-02 13:22:01,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6909 states to 6909 states and 9848 transitions. [2024-12-02 13:22:01,618 INFO L78 Accepts]: Start accepts. Automaton has 6909 states and 9848 transitions. Word has length 399 [2024-12-02 13:22:01,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:22:01,618 INFO L471 AbstractCegarLoop]: Abstraction has 6909 states and 9848 transitions. [2024-12-02 13:22:01,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 13:22:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 6909 states and 9848 transitions. [2024-12-02 13:22:01,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-12-02 13:22:01,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:22:01,632 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:22:01,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 13:22:01,632 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:22:01,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:22:01,633 INFO L85 PathProgramCache]: Analyzing trace with hash -708711348, now seen corresponding path program 1 times [2024-12-02 13:22:01,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:22:01,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127631809] [2024-12-02 13:22:01,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:01,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:22:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-02 13:22:06,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:22:06,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127631809] [2024-12-02 13:22:06,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127631809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:22:06,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:22:06,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:22:06,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708027592] [2024-12-02 13:22:06,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:22:06,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:22:06,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:22:06,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:22:06,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:22:06,604 INFO L87 Difference]: Start difference. First operand 6909 states and 9848 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:22:07,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:22:07,206 INFO L93 Difference]: Finished difference Result 10809 states and 15419 transitions. [2024-12-02 13:22:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:22:07,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 404 [2024-12-02 13:22:07,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:22:07,237 INFO L225 Difference]: With dead ends: 10809 [2024-12-02 13:22:07,237 INFO L226 Difference]: Without dead ends: 6927 [2024-12-02 13:22:07,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:22:07,248 INFO L435 NwaCegarLoop]: 3195 mSDtfsCounter, 4 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6384 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:22:07,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6384 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:22:07,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6927 states. [2024-12-02 13:22:07,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6927 to 6924. [2024-12-02 13:22:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6924 states, 5042 states have (on average 1.32011106703689) internal successors, (6656), 5172 states have internal predecessors, (6656), 1596 states have call successors, (1596), 311 states have call predecessors, (1596), 285 states have return successors, (1614), 1520 states have call predecessors, (1614), 1596 states have call successors, (1614) [2024-12-02 13:22:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6924 states to 6924 states and 9866 transitions. [2024-12-02 13:22:07,653 INFO L78 Accepts]: Start accepts. Automaton has 6924 states and 9866 transitions. Word has length 404 [2024-12-02 13:22:07,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:22:07,653 INFO L471 AbstractCegarLoop]: Abstraction has 6924 states and 9866 transitions. [2024-12-02 13:22:07,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:22:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6924 states and 9866 transitions. [2024-12-02 13:22:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-12-02 13:22:07,667 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:22:07,668 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:22:07,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 13:22:07,668 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:22:07,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:22:07,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1481860473, now seen corresponding path program 1 times [2024-12-02 13:22:07,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:22:07,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110822074] [2024-12-02 13:22:07,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:07,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:22:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-02 13:22:13,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:22:13,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110822074] [2024-12-02 13:22:13,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110822074] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:22:13,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050200050] [2024-12-02 13:22:13,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:22:13,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:22:13,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:22:13,477 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:22:13,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:22:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:22:21,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 5155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:22:21,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:22:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-12-02 13:22:23,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:22:23,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050200050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:22:23,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:22:23,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 13:22:23,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561401851] [2024-12-02 13:22:23,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:22:23,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:22:23,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:22:23,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:22:23,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:22:23,899 INFO L87 Difference]: Start difference. First operand 6924 states and 9866 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:22:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:22:24,422 INFO L93 Difference]: Finished difference Result 12426 states and 17805 transitions. [2024-12-02 13:22:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:22:24,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 408 [2024-12-02 13:22:24,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:22:24,437 INFO L225 Difference]: With dead ends: 12426 [2024-12-02 13:22:24,437 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:22:24,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:22:24,463 INFO L435 NwaCegarLoop]: 3214 mSDtfsCounter, 966 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 5401 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:22:24,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [966 Valid, 5401 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:22:24,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:22:24,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:22:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:22:24,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:22:24,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-12-02 13:22:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:22:24,477 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:22:24,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:22:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:22:24,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:22:24,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:22:24,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 13:22:24,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04505bcd-e98d-438c-aa03-53f3874233a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-12-02 13:22:24,682 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:22:24,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.