./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_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/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_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB --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 [2024-11-28 05:23:58,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:23:58,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:23:58,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:23:58,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:23:58,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:23:58,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:23:58,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:23:58,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:23:58,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:23:58,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:23:58,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:23:58,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:23:58,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:23:58,924 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:23:58,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:23:58,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:23:58,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:23:58,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:23:58,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:23:58,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:23:58,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:23:58,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:23:58,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:23:58,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:23:58,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:23:58,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:23:58,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:23:58,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:23:58,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:23:58,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:23:58,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:23:58,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:23:58,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:23:58,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:23:58,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:23:58,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:23:58,932 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:23:58,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:23:58,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:23:58,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:23:58,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:23:58,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:23:58,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:23:58,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:23:58,933 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_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 05:23:59,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:23:59,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:23:59,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:23:59,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:23:59,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:23:59,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-11-28 05:24:02,831 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/data/49e5e8a14/45b1a74d47f04ee28d13cc6092f55d93/FLAG4b48e7010 [2024-11-28 05:24:03,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:24:03,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-11-28 05:24:03,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/data/49e5e8a14/45b1a74d47f04ee28d13cc6092f55d93/FLAG4b48e7010 [2024-11-28 05:24:04,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/data/49e5e8a14/45b1a74d47f04ee28d13cc6092f55d93 [2024-11-28 05:24:04,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:24:04,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:24:04,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:04,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:24:04,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:24:04,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:04" (1/1) ... [2024-11-28 05:24:04,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c31ee22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:04, skipping insertion in model container [2024-11-28 05:24:04,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:04" (1/1) ... [2024-11-28 05:24:04,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:24:07,766 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_45fa56b7-cd23-4ef1-a592-87323fd673c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2024-11-28 05:24:07,772 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_45fa56b7-cd23-4ef1-a592-87323fd673c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2024-11-28 05:24:07,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:07,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:24:08,000 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] [2024-11-28 05:24:08,003 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] [2024-11-28 05:24:08,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2024-11-28 05:24:08,011 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] [2024-11-28 05:24:08,012 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] [2024-11-28 05:24:08,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2024-11-28 05:24:08,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2024-11-28 05:24:08,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2024-11-28 05:24:08,027 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] [2024-11-28 05:24:08,030 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] [2024-11-28 05:24:08,032 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] [2024-11-28 05:24:08,036 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] [2024-11-28 05:24:08,038 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] [2024-11-28 05:24:08,041 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] [2024-11-28 05:24:08,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2024-11-28 05:24:08,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2024-11-28 05:24:08,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2024-11-28 05:24:08,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2024-11-28 05:24:08,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2024-11-28 05:24:08,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2024-11-28 05:24:08,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2024-11-28 05:24:08,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2024-11-28 05:24:08,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2024-11-28 05:24:08,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2024-11-28 05:24:08,450 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_45fa56b7-cd23-4ef1-a592-87323fd673c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2024-11-28 05:24:08,451 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_45fa56b7-cd23-4ef1-a592-87323fd673c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2024-11-28 05:24:08,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:08,761 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:24:08,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08 WrapperNode [2024-11-28 05:24:08,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:08,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:08,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:24:08,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:24:08,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:08,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:09,180 INFO L138 Inliner]: procedures = 429, calls = 2225, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 6046 [2024-11-28 05:24:09,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:09,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:24:09,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:24:09,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:24:09,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:09,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:09,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,438 INFO L175 MemorySlicer]: Split 1005 memory accesses to 20 slices as follows [4, 4, 2, 2, 71, 7, 10, 7, 2, 4, 2, 1, 7, 7, 8, 19, 7, 1, 825, 15]. 82 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [0, 4, 0, 2, 0, 7, 6, 0, 0, 4, 0, 0, 0, 7, 8, 0, 7, 1, 30, 15]. The 450 writes are split as follows [4, 0, 0, 0, 71, 0, 1, 2, 1, 0, 1, 0, 2, 0, 0, 11, 0, 0, 357, 0]. [2024-11-28 05:24:10,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:24:10,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:24:10,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:24:10,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:24:10,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2024-11-28 05:24:10,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:24:10,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:24:10,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:24:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-11-28 05:24:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-11-28 05:24:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-28 05:24:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-28 05:24:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 05:24:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 05:24:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 05:24:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 05:24:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-11-28 05:24:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-11-28 05:24:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-11-28 05:24:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-11-28 05:24:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-11-28 05:24:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-11-28 05:24:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 05:24:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 05:24:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-11-28 05:24:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-11-28 05:24:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 05:24:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 05:24:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 05:24:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 05:24:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2024-11-28 05:24:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2024-11-28 05:24:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-11-28 05:24:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-11-28 05:24:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 05:24:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 05:24:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-11-28 05:24:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-11-28 05:24:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-28 05:24:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-28 05:24:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-11-28 05:24:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-11-28 05:24:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-11-28 05:24:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-11-28 05:24:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-11-28 05:24:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-11-28 05:24:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 05:24:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 05:24:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 05:24:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 05:24:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 05:24:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 05:24:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 05:24:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 05:24:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 05:24:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 05:24:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 05:24:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 05:24:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 05:24:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 05:24:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 05:24:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 05:24:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:24:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:24:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 05:24:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-11-28 05:24:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-11-28 05:24:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:24:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-11-28 05:24:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-11-28 05:24:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-28 05:24:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-28 05:24:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:24:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-11-28 05:24:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-11-28 05:24:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 05:24:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 05:24:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 05:24:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 05:24:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:24:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:24:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:24:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:24:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:24:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 05:24:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 05:24:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 05:24:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 05:24:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-28 05:24:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-28 05:24:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-28 05:24:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-11-28 05:24:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-28 05:24:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-28 05:24:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-28 05:24:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-28 05:24:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-28 05:24:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-28 05:24:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-28 05:24:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-28 05:24:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-28 05:24:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-28 05:24:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-28 05:24:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-28 05:24:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-28 05:24:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-28 05:24:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-28 05:24:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-28 05:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-28 05:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-28 05:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-28 05:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-28 05:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-28 05:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-28 05:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 05:24:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 05:24:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 05:24:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 05:24:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-11-28 05:24:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 05:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 05:24:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 05:24:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 05:24:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 05:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 05:24:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 05:24:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-28 05:24:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-28 05:24:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 05:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 05:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 05:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 05:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 05:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 05:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 05:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-28 05:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 05:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-28 05:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 05:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-28 05:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-28 05:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-28 05:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-28 05:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 05:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-28 05:24:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-28 05:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2024-11-28 05:24:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-11-28 05:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-11-28 05:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-11-28 05:24:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-28 05:24:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-28 05:24:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 05:24:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 05:24:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-11-28 05:24:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 05:24:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 05:24:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-28 05:24:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 05:24:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 05:24:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-11-28 05:24:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 05:24:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-11-28 05:24:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 05:24:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-28 05:24:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-28 05:24:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-11-28 05:24:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-11-28 05:24:12,432 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:24:12,437 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:24:12,781 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 05:24:27,751 INFO L? ?]: Removed 2890 outVars from TransFormulas that were not future-live. [2024-11-28 05:24:27,751 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:24:27,842 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:24:27,846 INFO L312 CfgBuilder]: Removed 21 assume(true) statements. [2024-11-28 05:24:27,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:27 BoogieIcfgContainer [2024-11-28 05:24:27,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:24:27,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:24:27,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:24:27,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:24:27,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:04" (1/3) ... [2024-11-28 05:24:27,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1c6d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:27, skipping insertion in model container [2024-11-28 05:24:27,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (2/3) ... [2024-11-28 05:24:27,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1c6d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:27, skipping insertion in model container [2024-11-28 05:24:27,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:27" (3/3) ... [2024-11-28 05:24:27,862 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-11-28 05:24:27,883 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:24:27,887 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. [2024-11-28 05:24:28,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:24:28,092 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;@69a820ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:24:28,092 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:24:28,110 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) [2024-11-28 05:24:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 05:24:28,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:28,145 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] [2024-11-28 05:24:28,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:28,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:28,153 INFO L85 PathProgramCache]: Analyzing trace with hash 505096576, now seen corresponding path program 1 times [2024-11-28 05:24:28,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:28,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337291717] [2024-11-28 05:24:28,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:28,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:24:37,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:37,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337291717] [2024-11-28 05:24:37,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337291717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:37,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:37,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:24:37,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335187135] [2024-11-28 05:24:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:37,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:24:37,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:37,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:24:37,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:24:37,097 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) [2024-11-28 05:24:37,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:37,486 INFO L93 Difference]: Finished difference Result 5110 states and 7616 transitions. [2024-11-28 05:24:37,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:24:37,488 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 [2024-11-28 05:24:37,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:37,533 INFO L225 Difference]: With dead ends: 5110 [2024-11-28 05:24:37,533 INFO L226 Difference]: Without dead ends: 2309 [2024-11-28 05:24:37,570 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 [2024-11-28 05:24:37,574 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 [2024-11-28 05:24:37,575 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] [2024-11-28 05:24:37,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-28 05:24:37,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-28 05:24:37,868 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) [2024-11-28 05:24:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3323 transitions. [2024-11-28 05:24:37,917 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3323 transitions. Word has length 120 [2024-11-28 05:24:37,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:37,922 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3323 transitions. [2024-11-28 05:24:37,923 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) [2024-11-28 05:24:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3323 transitions. [2024-11-28 05:24:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:24:37,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:37,932 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] [2024-11-28 05:24:37,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:24:37,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:37,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:37,935 INFO L85 PathProgramCache]: Analyzing trace with hash -677868429, now seen corresponding path program 1 times [2024-11-28 05:24:37,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:37,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281988745] [2024-11-28 05:24:37,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:37,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:24:46,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:46,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281988745] [2024-11-28 05:24:46,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281988745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:46,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:46,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:24:46,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340747155] [2024-11-28 05:24:46,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:46,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:24:46,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:46,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:24:46,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:24:46,485 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) [2024-11-28 05:24:50,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:01,935 INFO L93 Difference]: Finished difference Result 4598 states and 6632 transitions. [2024-11-28 05:25:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:25:01,936 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 [2024-11-28 05:25:01,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:01,968 INFO L225 Difference]: With dead ends: 4598 [2024-11-28 05:25:01,968 INFO L226 Difference]: Without dead ends: 2309 [2024-11-28 05:25:01,992 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 [2024-11-28 05:25:01,993 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 3285 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 5572 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:01,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 5572 Invalid, 1073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1071 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2024-11-28 05:25:02,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-28 05:25:02,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-28 05:25:02,149 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) [2024-11-28 05:25:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3322 transitions. [2024-11-28 05:25:02,172 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3322 transitions. Word has length 121 [2024-11-28 05:25:02,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:02,174 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3322 transitions. [2024-11-28 05:25:02,174 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) [2024-11-28 05:25:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3322 transitions. [2024-11-28 05:25:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 05:25:02,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:02,177 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] [2024-11-28 05:25:02,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:25:02,178 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:02,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:02,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1671084162, now seen corresponding path program 1 times [2024-11-28 05:25:02,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:02,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214589409] [2024-11-28 05:25:02,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:02,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:25:09,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:09,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214589409] [2024-11-28 05:25:09,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214589409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:09,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:09,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:25:09,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768017784] [2024-11-28 05:25:09,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:09,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:25:09,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:09,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:25:09,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:25:09,670 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) [2024-11-28 05:25:13,745 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 [] [2024-11-28 05:25:26,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:26,416 INFO L93 Difference]: Finished difference Result 4598 states and 6630 transitions. [2024-11-28 05:25:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:25:26,417 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 [2024-11-28 05:25:26,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:26,447 INFO L225 Difference]: With dead ends: 4598 [2024-11-28 05:25:26,447 INFO L226 Difference]: Without dead ends: 2309 [2024-11-28 05:25:26,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:25:26,465 INFO L435 NwaCegarLoop]: 3319 mSDtfsCounter, 4474 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4474 SdHoareTripleChecker+Valid, 5568 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:26,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4474 Valid, 5568 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2024-11-28 05:25:26,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-28 05:25:26,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-28 05:25:26,626 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) [2024-11-28 05:25:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3321 transitions. [2024-11-28 05:25:26,646 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3321 transitions. Word has length 122 [2024-11-28 05:25:26,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:26,647 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3321 transitions. [2024-11-28 05:25:26,647 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) [2024-11-28 05:25:26,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3321 transitions. [2024-11-28 05:25:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 05:25:26,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:26,651 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] [2024-11-28 05:25:26,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:25:26,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:26,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1588687055, now seen corresponding path program 1 times [2024-11-28 05:25:26,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:26,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934023570] [2024-11-28 05:25:26,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:26,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:25:34,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:34,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934023570] [2024-11-28 05:25:34,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934023570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:34,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:34,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:25:34,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476413689] [2024-11-28 05:25:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:34,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:25:34,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:34,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:25:34,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:25:34,251 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) [2024-11-28 05:25:38,348 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 [] [2024-11-28 05:25:50,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:50,261 INFO L93 Difference]: Finished difference Result 4598 states and 6628 transitions. [2024-11-28 05:25:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:25:50,262 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 [2024-11-28 05:25:50,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:50,291 INFO L225 Difference]: With dead ends: 4598 [2024-11-28 05:25:50,291 INFO L226 Difference]: Without dead ends: 2309 [2024-11-28 05:25:50,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:25:50,308 INFO L435 NwaCegarLoop]: 3318 mSDtfsCounter, 4471 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s 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, 15.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:50,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4471 Valid, 5566 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2024-11-28 05:25:50,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-28 05:25:50,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-28 05:25:50,480 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) [2024-11-28 05:25:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3320 transitions. [2024-11-28 05:25:50,608 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3320 transitions. Word has length 123 [2024-11-28 05:25:50,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:50,609 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3320 transitions. [2024-11-28 05:25:50,610 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) [2024-11-28 05:25:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3320 transitions. [2024-11-28 05:25:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:25:50,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:50,612 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] [2024-11-28 05:25:50,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:25:50,613 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:50,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:50,616 INFO L85 PathProgramCache]: Analyzing trace with hash -851106658, now seen corresponding path program 1 times [2024-11-28 05:25:50,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:50,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182480129] [2024-11-28 05:25:50,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:50,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:25:58,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:58,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182480129] [2024-11-28 05:25:58,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182480129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:58,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:58,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:25:58,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434836286] [2024-11-28 05:25:58,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:58,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:25:58,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:58,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:25:58,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:25:58,889 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) [2024-11-28 05:26:02,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:16,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:26:16,398 INFO L93 Difference]: Finished difference Result 4598 states and 6626 transitions. [2024-11-28 05:26:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:26:16,399 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 [2024-11-28 05:26:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:26:16,424 INFO L225 Difference]: With dead ends: 4598 [2024-11-28 05:26:16,425 INFO L226 Difference]: Without dead ends: 2309 [2024-11-28 05:26:16,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:26:16,445 INFO L435 NwaCegarLoop]: 3317 mSDtfsCounter, 4468 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4468 SdHoareTripleChecker+Valid, 5564 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:26:16,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4468 Valid, 5564 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2024-11-28 05:26:16,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-28 05:26:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-28 05:26:16,616 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) [2024-11-28 05:26:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3319 transitions. [2024-11-28 05:26:16,635 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3319 transitions. Word has length 124 [2024-11-28 05:26:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:26:16,636 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3319 transitions. [2024-11-28 05:26:16,637 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) [2024-11-28 05:26:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3319 transitions. [2024-11-28 05:26:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 05:26:16,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:26:16,643 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] [2024-11-28 05:26:16,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:26:16,643 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:26:16,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:26:16,644 INFO L85 PathProgramCache]: Analyzing trace with hash 939216171, now seen corresponding path program 1 times [2024-11-28 05:26:16,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:26:16,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082721577] [2024-11-28 05:26:16,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:26:16,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:26:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:26:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:26:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:26:24,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082721577] [2024-11-28 05:26:24,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082721577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:26:24,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:26:24,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:26:24,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249623625] [2024-11-28 05:26:24,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:26:24,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:26:24,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:26:24,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:26:24,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:26:24,205 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) [2024-11-28 05:26:28,286 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 [] [2024-11-28 05:26:51,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:26:51,260 INFO L93 Difference]: Finished difference Result 5578 states and 7947 transitions. [2024-11-28 05:26:51,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:26:51,261 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 [2024-11-28 05:26:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:26:51,284 INFO L225 Difference]: With dead ends: 5578 [2024-11-28 05:26:51,284 INFO L226 Difference]: Without dead ends: 3289 [2024-11-28 05:26:51,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:26:51,297 INFO L435 NwaCegarLoop]: 3934 mSDtfsCounter, 5449 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 2068 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s 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, 26.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:26:51,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5462 Valid, 7349 Invalid, 3723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2068 Valid, 1654 Invalid, 1 Unknown, 0 Unchecked, 26.0s Time] [2024-11-28 05:26:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2024-11-28 05:26:51,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 3283. [2024-11-28 05:26:51,561 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) [2024-11-28 05:26:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4651 transitions. [2024-11-28 05:26:51,589 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4651 transitions. Word has length 125 [2024-11-28 05:26:51,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:26:51,590 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4651 transitions. [2024-11-28 05:26:51,590 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) [2024-11-28 05:26:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4651 transitions. [2024-11-28 05:26:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 05:26:51,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:26:51,593 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] [2024-11-28 05:26:51,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:26:51,593 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:26:51,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:26:51,594 INFO L85 PathProgramCache]: Analyzing trace with hash 719165626, now seen corresponding path program 1 times [2024-11-28 05:26:51,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:26:51,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406391665] [2024-11-28 05:26:51,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:26:51,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:26:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:26:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:26:58,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:26:58,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406391665] [2024-11-28 05:26:58,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406391665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:26:58,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:26:58,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:26:58,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154289057] [2024-11-28 05:26:58,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:26:58,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:26:58,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:26:58,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:26:58,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:26:58,520 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) [2024-11-28 05:27:02,603 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 [] [2024-11-28 05:27:18,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:27:18,473 INFO L93 Difference]: Finished difference Result 6546 states and 9302 transitions. [2024-11-28 05:27:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:27:18,474 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 [2024-11-28 05:27:18,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:27:18,508 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:27:18,508 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:27:18,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:27:18,530 INFO L435 NwaCegarLoop]: 3316 mSDtfsCounter, 4464 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4464 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:27:18,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4464 Valid, 5562 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2024-11-28 05:27:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:27:18,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:27:18,836 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) [2024-11-28 05:27:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4648 transitions. [2024-11-28 05:27:18,869 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4648 transitions. Word has length 126 [2024-11-28 05:27:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:27:18,870 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4648 transitions. [2024-11-28 05:27:18,872 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) [2024-11-28 05:27:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4648 transitions. [2024-11-28 05:27:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 05:27:18,875 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:27:18,875 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] [2024-11-28 05:27:18,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:27:18,876 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:27:18,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:27:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1692917369, now seen corresponding path program 1 times [2024-11-28 05:27:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:27:18,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037790809] [2024-11-28 05:27:18,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:27:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:27:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:27:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:27:26,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:27:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037790809] [2024-11-28 05:27:26,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037790809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:27:26,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:27:26,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:27:26,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924470639] [2024-11-28 05:27:26,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:27:26,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:27:26,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:27:26,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:27:26,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:27:26,752 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) [2024-11-28 05:27:30,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:27:47,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:27:47,316 INFO L93 Difference]: Finished difference Result 6546 states and 9296 transitions. [2024-11-28 05:27:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:27:47,317 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 [2024-11-28 05:27:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:27:47,347 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:27:47,347 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:27:47,368 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 [2024-11-28 05:27:47,369 INFO L435 NwaCegarLoop]: 3315 mSDtfsCounter, 4461 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4461 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:27:47,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4461 Valid, 5560 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 19.8s Time] [2024-11-28 05:27:47,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:27:47,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:27:47,681 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) [2024-11-28 05:27:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4645 transitions. [2024-11-28 05:27:47,712 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4645 transitions. Word has length 127 [2024-11-28 05:27:47,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:27:47,712 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4645 transitions. [2024-11-28 05:27:47,713 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) [2024-11-28 05:27:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4645 transitions. [2024-11-28 05:27:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 05:27:47,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:27:47,717 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] [2024-11-28 05:27:47,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:27:47,718 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:27:47,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:27:47,719 INFO L85 PathProgramCache]: Analyzing trace with hash 956437718, now seen corresponding path program 1 times [2024-11-28 05:27:47,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:27:47,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476414704] [2024-11-28 05:27:47,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:27:47,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:27:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:27:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:27:54,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:27:54,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476414704] [2024-11-28 05:27:54,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476414704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:27:54,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:27:54,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:27:54,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545040336] [2024-11-28 05:27:54,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:27:54,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:27:54,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:27:54,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:27:54,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:27:54,790 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) [2024-11-28 05:27:58,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:28:14,590 INFO L93 Difference]: Finished difference Result 6546 states and 9290 transitions. [2024-11-28 05:28:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:28:14,590 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 [2024-11-28 05:28:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:28:14,617 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:28:14,617 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:28:14,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:28:14,630 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 4458 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4458 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:28:14,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4458 Valid, 5558 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2024-11-28 05:28:14,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:28:14,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:28:14,917 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) [2024-11-28 05:28:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4642 transitions. [2024-11-28 05:28:14,944 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4642 transitions. Word has length 128 [2024-11-28 05:28:14,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:28:14,945 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4642 transitions. [2024-11-28 05:28:14,945 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) [2024-11-28 05:28:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4642 transitions. [2024-11-28 05:28:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 05:28:14,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:28:14,948 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] [2024-11-28 05:28:14,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:28:14,948 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:28:14,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:28:14,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1596583395, now seen corresponding path program 1 times [2024-11-28 05:28:14,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:28:14,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119989129] [2024-11-28 05:28:14,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:28:14,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:28:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:28:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:28:22,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:28:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119989129] [2024-11-28 05:28:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119989129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:28:22,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:28:22,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:28:22,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372131181] [2024-11-28 05:28:22,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:28:22,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:28:22,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:28:22,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:28:22,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:28:22,198 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) [2024-11-28 05:28:26,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:42,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:28:42,044 INFO L93 Difference]: Finished difference Result 6546 states and 9284 transitions. [2024-11-28 05:28:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:28:42,045 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 [2024-11-28 05:28:42,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:28:42,080 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:28:42,081 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:28:42,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:28:42,101 INFO L435 NwaCegarLoop]: 3313 mSDtfsCounter, 4455 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4455 SdHoareTripleChecker+Valid, 5556 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:28:42,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4455 Valid, 5556 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 18.9s Time] [2024-11-28 05:28:42,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:28:42,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:28:42,427 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) [2024-11-28 05:28:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4639 transitions. [2024-11-28 05:28:42,456 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4639 transitions. Word has length 129 [2024-11-28 05:28:42,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:28:42,457 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4639 transitions. [2024-11-28 05:28:42,457 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) [2024-11-28 05:28:42,458 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4639 transitions. [2024-11-28 05:28:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 05:28:42,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:28:42,462 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] [2024-11-28 05:28:42,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:28:42,462 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:28:42,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:28:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash 80779506, now seen corresponding path program 1 times [2024-11-28 05:28:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:28:42,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932467526] [2024-11-28 05:28:42,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:28:42,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:28:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:28:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:28:49,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:28:49,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932467526] [2024-11-28 05:28:49,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932467526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:28:49,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:28:49,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:28:49,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198614801] [2024-11-28 05:28:49,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:28:49,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:28:49,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:28:49,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:28:49,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:28:49,561 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) [2024-11-28 05:28:53,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:29:08,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:29:08,586 INFO L93 Difference]: Finished difference Result 6546 states and 9278 transitions. [2024-11-28 05:29:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:29:08,587 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 [2024-11-28 05:29:08,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:29:08,621 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:29:08,621 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:29:08,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:29:08,639 INFO L435 NwaCegarLoop]: 3312 mSDtfsCounter, 4452 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s 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, 18.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:29:08,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4452 Valid, 5554 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 18.3s Time] [2024-11-28 05:29:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:29:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:29:08,960 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) [2024-11-28 05:29:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4636 transitions. [2024-11-28 05:29:08,989 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4636 transitions. Word has length 130 [2024-11-28 05:29:08,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:29:08,990 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4636 transitions. [2024-11-28 05:29:08,990 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) [2024-11-28 05:29:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4636 transitions. [2024-11-28 05:29:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 05:29:08,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:29:08,993 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] [2024-11-28 05:29:08,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:29:08,993 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:29:08,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:29:08,994 INFO L85 PathProgramCache]: Analyzing trace with hash 450015807, now seen corresponding path program 1 times [2024-11-28 05:29:08,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:29:08,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506169793] [2024-11-28 05:29:08,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:29:08,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:29:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:29:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:29:15,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:29:15,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506169793] [2024-11-28 05:29:15,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506169793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:29:15,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:29:15,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:29:15,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466069926] [2024-11-28 05:29:15,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:29:15,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:29:15,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:29:15,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:29:15,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:29:15,551 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) [2024-11-28 05:29:19,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:29:35,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:29:35,134 INFO L93 Difference]: Finished difference Result 6546 states and 9272 transitions. [2024-11-28 05:29:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:29:35,135 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 [2024-11-28 05:29:35,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:29:35,167 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:29:35,168 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:29:35,186 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 [2024-11-28 05:29:35,187 INFO L435 NwaCegarLoop]: 3311 mSDtfsCounter, 4449 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s 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, 18.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:29:35,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 5552 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 18.8s Time] [2024-11-28 05:29:35,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:29:35,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:29:35,629 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) [2024-11-28 05:29:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4633 transitions. [2024-11-28 05:29:35,651 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4633 transitions. Word has length 131 [2024-11-28 05:29:35,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:29:35,651 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4633 transitions. [2024-11-28 05:29:35,651 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) [2024-11-28 05:29:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4633 transitions. [2024-11-28 05:29:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 05:29:35,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:29:35,654 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] [2024-11-28 05:29:35,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:29:35,654 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:29:35,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:29:35,655 INFO L85 PathProgramCache]: Analyzing trace with hash -874044146, now seen corresponding path program 1 times [2024-11-28 05:29:35,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:29:35,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973694513] [2024-11-28 05:29:35,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:29:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:29:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:29:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:29:42,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:29:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973694513] [2024-11-28 05:29:42,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973694513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:29:42,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:29:42,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:29:42,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747493346] [2024-11-28 05:29:42,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:29:42,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:29:42,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:29:42,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:29:42,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:29:42,201 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) [2024-11-28 05:29:46,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:30:00,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:30:00,170 INFO L93 Difference]: Finished difference Result 6546 states and 9266 transitions. [2024-11-28 05:30:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:30:00,171 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 [2024-11-28 05:30:00,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:30:00,195 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:30:00,195 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:30:00,210 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 [2024-11-28 05:30:00,211 INFO L435 NwaCegarLoop]: 3310 mSDtfsCounter, 4446 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s 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, 17.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:30:00,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4446 Valid, 5550 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2024-11-28 05:30:00,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:30:00,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:30:00,491 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) [2024-11-28 05:30:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4630 transitions. [2024-11-28 05:30:00,518 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4630 transitions. Word has length 132 [2024-11-28 05:30:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:30:00,519 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4630 transitions. [2024-11-28 05:30:00,519 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) [2024-11-28 05:30:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4630 transitions. [2024-11-28 05:30:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 05:30:00,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:30:00,522 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] [2024-11-28 05:30:00,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:30:00,523 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:30:00,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:30:00,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1144286875, now seen corresponding path program 1 times [2024-11-28 05:30:00,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:30:00,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876650765] [2024-11-28 05:30:00,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:30:00,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:30:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:30:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:30:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:30:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876650765] [2024-11-28 05:30:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876650765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:30:07,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:30:07,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:30:07,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708489598] [2024-11-28 05:30:07,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:30:07,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:30:07,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:30:07,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:30:07,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:30:07,634 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) [2024-11-28 05:30:11,684 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 [] [2024-11-28 05:30:28,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:30:28,653 INFO L93 Difference]: Finished difference Result 6546 states and 9260 transitions. [2024-11-28 05:30:28,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:30:28,654 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 [2024-11-28 05:30:28,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:30:28,685 INFO L225 Difference]: With dead ends: 6546 [2024-11-28 05:30:28,685 INFO L226 Difference]: Without dead ends: 3283 [2024-11-28 05:30:28,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:30:28,704 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 4443 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s 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, 19.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:30:28,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 5548 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 19.9s Time] [2024-11-28 05:30:28,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-28 05:30:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-28 05:30:29,112 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) [2024-11-28 05:30:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4627 transitions. [2024-11-28 05:30:29,142 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4627 transitions. Word has length 133 [2024-11-28 05:30:29,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:30:29,143 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4627 transitions. [2024-11-28 05:30:29,143 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) [2024-11-28 05:30:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4627 transitions. [2024-11-28 05:30:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 05:30:29,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:30:29,150 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] [2024-11-28 05:30:29,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:30:29,150 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:30:29,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:30:29,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1172916026, now seen corresponding path program 1 times [2024-11-28 05:30:29,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:30:29,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267651861] [2024-11-28 05:30:29,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:30:29,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:30:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:30:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 05:30:37,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:30:37,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267651861] [2024-11-28 05:30:37,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267651861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:30:37,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:30:37,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:30:37,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128016900] [2024-11-28 05:30:37,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:30:37,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:30:37,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:30:37,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:30:37,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:30:37,304 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) [2024-11-28 05:30:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:30:37,957 INFO L93 Difference]: Finished difference Result 3289 states and 4633 transitions. [2024-11-28 05:30:37,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:30:37,957 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 [2024-11-28 05:30:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:30:37,979 INFO L225 Difference]: With dead ends: 3289 [2024-11-28 05:30:37,980 INFO L226 Difference]: Without dead ends: 3287 [2024-11-28 05:30:37,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:30:37,983 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 9923 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:30:37,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13232 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:30:37,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2024-11-28 05:30:38,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3287. [2024-11-28 05:30:38,477 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) [2024-11-28 05:30:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4629 transitions. [2024-11-28 05:30:38,504 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4629 transitions. Word has length 133 [2024-11-28 05:30:38,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:30:38,505 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4629 transitions. [2024-11-28 05:30:38,505 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) [2024-11-28 05:30:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4629 transitions. [2024-11-28 05:30:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-28 05:30:38,512 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:30:38,513 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] [2024-11-28 05:30:38,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:30:38,513 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:30:38,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:30:38,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1038002949, now seen corresponding path program 1 times [2024-11-28 05:30:38,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:30:38,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612880439] [2024-11-28 05:30:38,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:30:38,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:30:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:30:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-28 05:30:45,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:30:45,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612880439] [2024-11-28 05:30:45,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612880439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:30:45,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:30:45,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:30:45,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929443854] [2024-11-28 05:30:45,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:30:45,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:30:45,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:30:45,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:30:45,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:30:45,228 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) [2024-11-28 05:30:45,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:30:45,741 INFO L93 Difference]: Finished difference Result 4299 states and 6056 transitions. [2024-11-28 05:30:45,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:30:45,741 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 [2024-11-28 05:30:45,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:30:45,767 INFO L225 Difference]: With dead ends: 4299 [2024-11-28 05:30:45,767 INFO L226 Difference]: Without dead ends: 3287 [2024-11-28 05:30:45,774 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 [2024-11-28 05:30:45,776 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 3305 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:30:45,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6614 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:30:45,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2024-11-28 05:30:46,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3287. [2024-11-28 05:30:46,175 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) [2024-11-28 05:30:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4628 transitions. [2024-11-28 05:30:46,207 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4628 transitions. Word has length 204 [2024-11-28 05:30:46,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:30:46,208 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4628 transitions. [2024-11-28 05:30:46,208 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) [2024-11-28 05:30:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4628 transitions. [2024-11-28 05:30:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:30:46,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:30:46,218 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] [2024-11-28 05:30:46,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 05:30:46,219 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:30:46,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:30:46,219 INFO L85 PathProgramCache]: Analyzing trace with hash 725079838, now seen corresponding path program 1 times [2024-11-28 05:30:46,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:30:46,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780167662] [2024-11-28 05:30:46,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:30:46,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:30:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:30:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 05:30:53,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:30:53,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780167662] [2024-11-28 05:30:53,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780167662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:30:53,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:30:53,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:30:53,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008740176] [2024-11-28 05:30:53,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:30:53,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:30:53,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:30:53,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:30:53,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:30:53,219 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) [2024-11-28 05:30:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:30:53,934 INFO L93 Difference]: Finished difference Result 6114 states and 8671 transitions. [2024-11-28 05:30:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:30:53,935 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 [2024-11-28 05:30:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:30:53,964 INFO L225 Difference]: With dead ends: 6114 [2024-11-28 05:30:53,964 INFO L226 Difference]: Without dead ends: 3321 [2024-11-28 05:30:53,982 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 [2024-11-28 05:30:53,983 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 25 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:30:53,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 6596 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:30:53,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2024-11-28 05:30:54,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3289. [2024-11-28 05:30:54,382 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) [2024-11-28 05:30:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 4630 transitions. [2024-11-28 05:30:54,408 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 4630 transitions. Word has length 220 [2024-11-28 05:30:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:30:54,409 INFO L471 AbstractCegarLoop]: Abstraction has 3289 states and 4630 transitions. [2024-11-28 05:30:54,409 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) [2024-11-28 05:30:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 4630 transitions. [2024-11-28 05:30:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-28 05:30:54,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:30:54,419 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] [2024-11-28 05:30:54,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 05:30:54,420 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:30:54,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:30:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1983904996, now seen corresponding path program 1 times [2024-11-28 05:30:54,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:30:54,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25884550] [2024-11-28 05:30:54,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:30:54,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:31:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:31:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-28 05:31:01,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:31:01,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25884550] [2024-11-28 05:31:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25884550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:31:01,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983820197] [2024-11-28 05:31:01,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:31:01,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:31:01,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:31:01,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:31:01,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:31:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:31:11,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 4226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:31:11,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:31:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-28 05:31:11,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:31:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-28 05:31:15,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983820197] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:31:15,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:31:15,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 05:31:15,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669456325] [2024-11-28 05:31:15,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:31:15,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:31:15,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:31:15,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:31:15,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:31:15,206 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) [2024-11-28 05:31:17,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:31:17,485 INFO L93 Difference]: Finished difference Result 6207 states and 8811 transitions. [2024-11-28 05:31:17,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:31:17,485 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 [2024-11-28 05:31:17,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:31:17,514 INFO L225 Difference]: With dead ends: 6207 [2024-11-28 05:31:17,514 INFO L226 Difference]: Without dead ends: 3412 [2024-11-28 05:31:17,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:31:17,532 INFO L435 NwaCegarLoop]: 3302 mSDtfsCounter, 124 mSDsluCounter, 9911 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:31:17,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 13213 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:31:17,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2024-11-28 05:31:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3391. [2024-11-28 05:31:17,977 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) [2024-11-28 05:31:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 4780 transitions. [2024-11-28 05:31:18,011 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 4780 transitions. Word has length 268 [2024-11-28 05:31:18,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:31:18,012 INFO L471 AbstractCegarLoop]: Abstraction has 3391 states and 4780 transitions. [2024-11-28 05:31:18,013 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) [2024-11-28 05:31:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 4780 transitions. [2024-11-28 05:31:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-28 05:31:18,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:31:18,024 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] [2024-11-28 05:31:18,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:31:18,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 05:31:18,226 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:31:18,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:31:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1928800862, now seen corresponding path program 2 times [2024-11-28 05:31:18,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:31:18,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014965925] [2024-11-28 05:31:18,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:31:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:31:24,672 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:31:24,676 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:31:25,539 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-28 05:31:25,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:31:25,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014965925] [2024-11-28 05:31:25,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014965925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:31:25,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:31:25,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:31:25,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894759972] [2024-11-28 05:31:25,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:31:25,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:31:25,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:31:25,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:31:25,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:31:25,545 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) [2024-11-28 05:31:25,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:31:25,977 INFO L93 Difference]: Finished difference Result 6289 states and 8911 transitions. [2024-11-28 05:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:31:25,977 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 [2024-11-28 05:31:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:31:26,007 INFO L225 Difference]: With dead ends: 6289 [2024-11-28 05:31:26,007 INFO L226 Difference]: Without dead ends: 3392 [2024-11-28 05:31:26,020 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 [2024-11-28 05:31:26,021 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 [2024-11-28 05:31:26,021 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] [2024-11-28 05:31:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2024-11-28 05:31:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 3392. [2024-11-28 05:31:26,522 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) [2024-11-28 05:31:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 4781 transitions. [2024-11-28 05:31:26,553 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 4781 transitions. Word has length 292 [2024-11-28 05:31:26,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:31:26,554 INFO L471 AbstractCegarLoop]: Abstraction has 3392 states and 4781 transitions. [2024-11-28 05:31:26,554 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) [2024-11-28 05:31:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 4781 transitions. [2024-11-28 05:31:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-28 05:31:26,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:31:26,564 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] [2024-11-28 05:31:26,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 05:31:26,565 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:31:26,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:31:26,566 INFO L85 PathProgramCache]: Analyzing trace with hash 573065645, now seen corresponding path program 1 times [2024-11-28 05:31:26,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:31:26,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50798714] [2024-11-28 05:31:26,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:31:26,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:31:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:31:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:31:33,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:31:33,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50798714] [2024-11-28 05:31:33,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50798714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:31:33,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:31:33,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:31:33,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59035066] [2024-11-28 05:31:33,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:31:33,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:31:33,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:31:33,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:31:33,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:31:33,182 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) [2024-11-28 05:31:33,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:31:33,743 INFO L93 Difference]: Finished difference Result 6291 states and 8903 transitions. [2024-11-28 05:31:33,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:31:33,744 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 [2024-11-28 05:31:33,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:31:33,779 INFO L225 Difference]: With dead ends: 6291 [2024-11-28 05:31:33,779 INFO L226 Difference]: Without dead ends: 3393 [2024-11-28 05:31:33,794 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 [2024-11-28 05:31:33,795 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:31:33,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6611 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:31:33,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2024-11-28 05:31:34,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3393. [2024-11-28 05:31:34,207 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) [2024-11-28 05:31:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4782 transitions. [2024-11-28 05:31:34,241 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4782 transitions. Word has length 294 [2024-11-28 05:31:34,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:31:34,242 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4782 transitions. [2024-11-28 05:31:34,242 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) [2024-11-28 05:31:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4782 transitions. [2024-11-28 05:31:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-28 05:31:34,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:31:34,254 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] [2024-11-28 05:31:34,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 05:31:34,254 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:31:34,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:31:34,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1775536891, now seen corresponding path program 1 times [2024-11-28 05:31:34,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:31:34,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726773376] [2024-11-28 05:31:34,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:31:34,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:31:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:31:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-28 05:31:42,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:31:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726773376] [2024-11-28 05:31:42,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726773376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:31:42,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068265404] [2024-11-28 05:31:42,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:31:42,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:31:42,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:31:42,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:31:42,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:31:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:31:52,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 4097 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:31:52,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:31:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-28 05:31:53,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:31:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-28 05:31:56,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068265404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:31:56,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:31:56,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-28 05:31:56,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025767114] [2024-11-28 05:31:56,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:31:56,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:31:56,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:31:56,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:31:56,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:31:56,779 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) [2024-11-28 05:32:01,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:32:01,774 INFO L93 Difference]: Finished difference Result 6517 states and 9271 transitions. [2024-11-28 05:32:01,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:32:01,775 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 [2024-11-28 05:32:01,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:32:01,813 INFO L225 Difference]: With dead ends: 6517 [2024-11-28 05:32:01,814 INFO L226 Difference]: Without dead ends: 3618 [2024-11-28 05:32:01,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:32:01,834 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 338 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:32:01,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 13370 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 05:32:01,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2024-11-28 05:32:02,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3597. [2024-11-28 05:32:02,290 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) [2024-11-28 05:32:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5082 transitions. [2024-11-28 05:32:02,327 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5082 transitions. Word has length 253 [2024-11-28 05:32:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:32:02,329 INFO L471 AbstractCegarLoop]: Abstraction has 3597 states and 5082 transitions. [2024-11-28 05:32:02,329 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) [2024-11-28 05:32:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5082 transitions. [2024-11-28 05:32:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-28 05:32:02,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:32:02,339 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] [2024-11-28 05:32:02,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:32:02,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:32:02,540 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:32:02,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:32:02,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1599502567, now seen corresponding path program 1 times [2024-11-28 05:32:02,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:32:02,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893463753] [2024-11-28 05:32:02,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:32:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:32:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:32:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:32:09,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:32:09,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893463753] [2024-11-28 05:32:09,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893463753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:32:09,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:32:09,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:32:09,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245146836] [2024-11-28 05:32:09,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:32:09,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:32:09,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:32:09,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:32:09,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:32:09,548 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) [2024-11-28 05:32:09,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:32:09,936 INFO L93 Difference]: Finished difference Result 6701 states and 9505 transitions. [2024-11-28 05:32:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:32:09,937 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 [2024-11-28 05:32:09,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:32:09,976 INFO L225 Difference]: With dead ends: 6701 [2024-11-28 05:32:09,976 INFO L226 Difference]: Without dead ends: 3598 [2024-11-28 05:32:09,993 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 [2024-11-28 05:32:09,996 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 [2024-11-28 05:32:09,996 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] [2024-11-28 05:32:10,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2024-11-28 05:32:10,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3598. [2024-11-28 05:32:10,448 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) [2024-11-28 05:32:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 5083 transitions. [2024-11-28 05:32:10,484 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 5083 transitions. Word has length 296 [2024-11-28 05:32:10,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:32:10,485 INFO L471 AbstractCegarLoop]: Abstraction has 3598 states and 5083 transitions. [2024-11-28 05:32:10,486 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) [2024-11-28 05:32:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5083 transitions. [2024-11-28 05:32:10,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-28 05:32:10,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:32:10,496 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] [2024-11-28 05:32:10,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 05:32:10,497 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:32:10,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:32:10,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1651861441, now seen corresponding path program 1 times [2024-11-28 05:32:10,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:32:10,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10827481] [2024-11-28 05:32:10,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:32:10,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:32:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:32:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:32:17,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:32:17,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10827481] [2024-11-28 05:32:17,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10827481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:32:17,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:32:17,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:32:17,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232536138] [2024-11-28 05:32:17,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:32:17,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:32:17,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:32:17,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:32:17,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:32:17,216 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) [2024-11-28 05:32:18,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:32:18,198 INFO L93 Difference]: Finished difference Result 6919 states and 9847 transitions. [2024-11-28 05:32:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:32:18,199 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 [2024-11-28 05:32:18,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:32:18,224 INFO L225 Difference]: With dead ends: 6919 [2024-11-28 05:32:18,224 INFO L226 Difference]: Without dead ends: 3815 [2024-11-28 05:32:18,237 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 [2024-11-28 05:32:18,238 INFO L435 NwaCegarLoop]: 3367 mSDtfsCounter, 246 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:32:18,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 6658 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:32:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2024-11-28 05:32:18,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3808. [2024-11-28 05:32:18,670 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) [2024-11-28 05:32:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5414 transitions. [2024-11-28 05:32:18,701 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5414 transitions. Word has length 297 [2024-11-28 05:32:18,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:32:18,702 INFO L471 AbstractCegarLoop]: Abstraction has 3808 states and 5414 transitions. [2024-11-28 05:32:18,702 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) [2024-11-28 05:32:18,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5414 transitions. [2024-11-28 05:32:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-28 05:32:18,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:32:18,711 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] [2024-11-28 05:32:18,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 05:32:18,712 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:32:18,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:32:18,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1299627997, now seen corresponding path program 1 times [2024-11-28 05:32:18,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:32:18,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669761415] [2024-11-28 05:32:18,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:32:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:32:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:32:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:32:25,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:32:25,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669761415] [2024-11-28 05:32:25,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669761415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:32:25,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:32:25,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:32:25,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017410324] [2024-11-28 05:32:25,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:32:25,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:32:25,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:32:25,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:32:25,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:32:25,698 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) [2024-11-28 05:32:26,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:32:26,418 INFO L93 Difference]: Finished difference Result 7345 states and 10518 transitions. [2024-11-28 05:32:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:32:26,419 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 [2024-11-28 05:32:26,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:32:26,443 INFO L225 Difference]: With dead ends: 7345 [2024-11-28 05:32:26,444 INFO L226 Difference]: Without dead ends: 4031 [2024-11-28 05:32:26,457 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 [2024-11-28 05:32:26,458 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 [2024-11-28 05:32:26,458 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] [2024-11-28 05:32:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2024-11-28 05:32:27,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 4023. [2024-11-28 05:32:27,019 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) [2024-11-28 05:32:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5750 transitions. [2024-11-28 05:32:27,058 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5750 transitions. Word has length 300 [2024-11-28 05:32:27,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:32:27,059 INFO L471 AbstractCegarLoop]: Abstraction has 4023 states and 5750 transitions. [2024-11-28 05:32:27,059 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) [2024-11-28 05:32:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5750 transitions. [2024-11-28 05:32:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-28 05:32:27,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:32:27,072 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] [2024-11-28 05:32:27,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 05:32:27,073 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:32:27,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:32:27,074 INFO L85 PathProgramCache]: Analyzing trace with hash -2097041021, now seen corresponding path program 1 times [2024-11-28 05:32:27,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:32:27,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536301342] [2024-11-28 05:32:27,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:32:27,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:32:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:32:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:32:33,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:32:33,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536301342] [2024-11-28 05:32:33,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536301342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:32:33,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:32:33,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:32:33,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866745850] [2024-11-28 05:32:33,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:32:33,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:32:33,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:32:33,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:32:33,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:32:33,790 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) [2024-11-28 05:32:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:32:34,567 INFO L93 Difference]: Finished difference Result 7655 states and 10991 transitions. [2024-11-28 05:32:34,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:32:34,568 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 [2024-11-28 05:32:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:32:34,595 INFO L225 Difference]: With dead ends: 7655 [2024-11-28 05:32:34,595 INFO L226 Difference]: Without dead ends: 4126 [2024-11-28 05:32:34,609 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 [2024-11-28 05:32:34,610 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 [2024-11-28 05:32:34,611 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] [2024-11-28 05:32:34,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-11-28 05:32:35,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4069. [2024-11-28 05:32:35,119 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) [2024-11-28 05:32:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 4069 states and 5819 transitions. [2024-11-28 05:32:35,162 INFO L78 Accepts]: Start accepts. Automaton has 4069 states and 5819 transitions. Word has length 301 [2024-11-28 05:32:35,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:32:35,163 INFO L471 AbstractCegarLoop]: Abstraction has 4069 states and 5819 transitions. [2024-11-28 05:32:35,163 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) [2024-11-28 05:32:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 5819 transitions. [2024-11-28 05:32:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-28 05:32:35,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:32:35,177 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] [2024-11-28 05:32:35,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 05:32:35,177 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:32:35,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:32:35,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1749637715, now seen corresponding path program 1 times [2024-11-28 05:32:35,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:32:35,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232575233] [2024-11-28 05:32:35,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:32:35,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:32:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:32:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:32:41,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:32:41,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232575233] [2024-11-28 05:32:41,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232575233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:32:41,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:32:41,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:32:41,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28322080] [2024-11-28 05:32:41,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:32:41,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:32:41,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:32:41,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:32:41,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:32:41,908 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) [2024-11-28 05:32:42,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:32:42,736 INFO L93 Difference]: Finished difference Result 7701 states and 11059 transitions. [2024-11-28 05:32:42,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:32:42,737 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 [2024-11-28 05:32:42,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:32:42,768 INFO L225 Difference]: With dead ends: 7701 [2024-11-28 05:32:42,768 INFO L226 Difference]: Without dead ends: 4126 [2024-11-28 05:32:42,784 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 [2024-11-28 05:32:42,784 INFO L435 NwaCegarLoop]: 3532 mSDtfsCounter, 251 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-28 05:32:42,785 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] [2024-11-28 05:32:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-11-28 05:32:43,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4023. [2024-11-28 05:32:43,118 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) [2024-11-28 05:32:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5750 transitions. [2024-11-28 05:32:43,147 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5750 transitions. Word has length 304 [2024-11-28 05:32:43,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:32:43,148 INFO L471 AbstractCegarLoop]: Abstraction has 4023 states and 5750 transitions. [2024-11-28 05:32:43,148 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) [2024-11-28 05:32:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5750 transitions. [2024-11-28 05:32:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-28 05:32:43,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:32:43,160 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] [2024-11-28 05:32:43,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 05:32:43,161 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:32:43,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:32:43,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1441392665, now seen corresponding path program 1 times [2024-11-28 05:32:43,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:32:43,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986062212] [2024-11-28 05:32:43,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:32:43,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:32:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:32:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:32:50,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:32:50,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986062212] [2024-11-28 05:32:50,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986062212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:32:50,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:32:50,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:32:50,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574348734] [2024-11-28 05:32:50,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:32:50,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:32:50,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:32:50,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:32:50,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:32:50,201 INFO L87 Difference]: Start difference. First operand 4023 states and 5750 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) [2024-11-28 05:32:50,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:32:50,788 INFO L93 Difference]: Finished difference Result 7553 states and 10841 transitions. [2024-11-28 05:32:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:32:50,789 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 [2024-11-28 05:32:50,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:32:50,813 INFO L225 Difference]: With dead ends: 7553 [2024-11-28 05:32:50,813 INFO L226 Difference]: Without dead ends: 4024 [2024-11-28 05:32:50,831 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 [2024-11-28 05:32:50,832 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 [2024-11-28 05:32:50,833 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] [2024-11-28 05:32:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4024 states. [2024-11-28 05:32:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4024 to 4024. [2024-11-28 05:32:51,131 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) [2024-11-28 05:32:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 4024 states and 5751 transitions. [2024-11-28 05:32:51,157 INFO L78 Accepts]: Start accepts. Automaton has 4024 states and 5751 transitions. Word has length 303 [2024-11-28 05:32:51,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:32:51,157 INFO L471 AbstractCegarLoop]: Abstraction has 4024 states and 5751 transitions. [2024-11-28 05:32:51,157 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) [2024-11-28 05:32:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 5751 transitions. [2024-11-28 05:32:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-28 05:32:51,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:32:51,168 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] [2024-11-28 05:32:51,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 05:32:51,168 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:32:51,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:32:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1691476556, now seen corresponding path program 1 times [2024-11-28 05:32:51,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:32:51,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405617776] [2024-11-28 05:32:51,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:32:51,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:32:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:32:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:32:59,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:32:59,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405617776] [2024-11-28 05:32:59,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405617776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:32:59,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:32:59,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:32:59,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206444200] [2024-11-28 05:32:59,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:32:59,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:32:59,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:32:59,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:32:59,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:32:59,270 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) [2024-11-28 05:33:00,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:33:00,099 INFO L93 Difference]: Finished difference Result 7555 states and 10843 transitions. [2024-11-28 05:33:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:33:00,100 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 [2024-11-28 05:33:00,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:33:00,130 INFO L225 Difference]: With dead ends: 7555 [2024-11-28 05:33:00,130 INFO L226 Difference]: Without dead ends: 4025 [2024-11-28 05:33:00,145 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 [2024-11-28 05:33:00,146 INFO L435 NwaCegarLoop]: 3310 mSDtfsCounter, 0 mSDsluCounter, 3284 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:33:00,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6594 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:33:00,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4025 states. [2024-11-28 05:33:00,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 4025. [2024-11-28 05:33:00,454 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) [2024-11-28 05:33:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 4025 states and 5752 transitions. [2024-11-28 05:33:00,485 INFO L78 Accepts]: Start accepts. Automaton has 4025 states and 5752 transitions. Word has length 303 [2024-11-28 05:33:00,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:33:00,486 INFO L471 AbstractCegarLoop]: Abstraction has 4025 states and 5752 transitions. [2024-11-28 05:33:00,486 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) [2024-11-28 05:33:00,486 INFO L276 IsEmpty]: Start isEmpty. Operand 4025 states and 5752 transitions. [2024-11-28 05:33:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-28 05:33:00,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:33:00,496 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] [2024-11-28 05:33:00,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 05:33:00,496 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:33:00,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:33:00,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1308562759, now seen corresponding path program 1 times [2024-11-28 05:33:00,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:33:00,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57494947] [2024-11-28 05:33:00,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:33:00,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:33:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:33:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:33:09,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:33:09,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57494947] [2024-11-28 05:33:09,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57494947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:33:09,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:33:09,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:33:09,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398773849] [2024-11-28 05:33:09,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:33:09,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:33:09,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:33:09,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:33:09,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:33:09,134 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) [2024-11-28 05:33:11,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:33:11,104 INFO L93 Difference]: Finished difference Result 7627 states and 10945 transitions. [2024-11-28 05:33:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:33:11,105 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 [2024-11-28 05:33:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:33:11,132 INFO L225 Difference]: With dead ends: 7627 [2024-11-28 05:33:11,132 INFO L226 Difference]: Without dead ends: 4096 [2024-11-28 05:33:11,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:33:11,146 INFO L435 NwaCegarLoop]: 3342 mSDtfsCounter, 65 mSDsluCounter, 6602 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:33:11,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 9944 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 05:33:11,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2024-11-28 05:33:11,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 4031. [2024-11-28 05:33:11,499 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) [2024-11-28 05:33:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 4031 states and 5760 transitions. [2024-11-28 05:33:11,528 INFO L78 Accepts]: Start accepts. Automaton has 4031 states and 5760 transitions. Word has length 305 [2024-11-28 05:33:11,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:33:11,529 INFO L471 AbstractCegarLoop]: Abstraction has 4031 states and 5760 transitions. [2024-11-28 05:33:11,529 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) [2024-11-28 05:33:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 4031 states and 5760 transitions. [2024-11-28 05:33:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-28 05:33:11,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:33:11,538 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] [2024-11-28 05:33:11,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 05:33:11,538 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:33:11,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:33:11,539 INFO L85 PathProgramCache]: Analyzing trace with hash -129732714, now seen corresponding path program 1 times [2024-11-28 05:33:11,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:33:11,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590388383] [2024-11-28 05:33:11,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:33:11,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:33:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:33:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:33:21,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:33:21,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590388383] [2024-11-28 05:33:21,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590388383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:33:21,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:33:21,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:33:21,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036803040] [2024-11-28 05:33:21,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:33:21,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:33:21,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:33:21,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:33:21,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:33:21,331 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) [2024-11-28 05:33:22,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:33:22,904 INFO L93 Difference]: Finished difference Result 7569 states and 10863 transitions. [2024-11-28 05:33:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:33:22,904 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 [2024-11-28 05:33:22,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:33:22,931 INFO L225 Difference]: With dead ends: 7569 [2024-11-28 05:33:22,931 INFO L226 Difference]: Without dead ends: 4032 [2024-11-28 05:33:22,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:33:22,944 INFO L435 NwaCegarLoop]: 3294 mSDtfsCounter, 13 mSDsluCounter, 9842 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:33:22,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13136 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:33:22,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2024-11-28 05:33:23,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 4027. [2024-11-28 05:33:23,237 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) [2024-11-28 05:33:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 5754 transitions. [2024-11-28 05:33:23,269 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 5754 transitions. Word has length 303 [2024-11-28 05:33:23,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:33:23,270 INFO L471 AbstractCegarLoop]: Abstraction has 4027 states and 5754 transitions. [2024-11-28 05:33:23,270 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) [2024-11-28 05:33:23,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 5754 transitions. [2024-11-28 05:33:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-28 05:33:23,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:33:23,277 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] [2024-11-28 05:33:23,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 05:33:23,277 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:33:23,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:33:23,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1600965564, now seen corresponding path program 1 times [2024-11-28 05:33:23,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:33:23,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290219327] [2024-11-28 05:33:23,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:33:23,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:33:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:33:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:33:31,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:33:31,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290219327] [2024-11-28 05:33:31,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290219327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:33:31,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:33:31,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:33:31,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761765752] [2024-11-28 05:33:31,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:33:31,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:33:31,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:33:31,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:33:31,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:33:31,849 INFO L87 Difference]: Start difference. First operand 4027 states and 5754 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, (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) [2024-11-28 05:33:33,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:33:33,444 INFO L93 Difference]: Finished difference Result 7605 states and 10914 transitions. [2024-11-28 05:33:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:33:33,445 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, (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 304 [2024-11-28 05:33:33,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:33:33,480 INFO L225 Difference]: With dead ends: 7605 [2024-11-28 05:33:33,480 INFO L226 Difference]: Without dead ends: 4072 [2024-11-28 05:33:33,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:33:33,493 INFO L435 NwaCegarLoop]: 3326 mSDtfsCounter, 43 mSDsluCounter, 6586 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 9912 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:33:33,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 9912 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:33:33,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4072 states. [2024-11-28 05:33:33,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4072 to 4031. [2024-11-28 05:33:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4031 states, 2957 states have (on average 1.3205951978356443) internal successors, (3905), 3035 states have internal predecessors, (3905), 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) [2024-11-28 05:33:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 4031 states and 5759 transitions. [2024-11-28 05:33:33,841 INFO L78 Accepts]: Start accepts. Automaton has 4031 states and 5759 transitions. Word has length 304 [2024-11-28 05:33:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:33:33,842 INFO L471 AbstractCegarLoop]: Abstraction has 4031 states and 5759 transitions. [2024-11-28 05:33:33,843 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, (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) [2024-11-28 05:33:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4031 states and 5759 transitions. [2024-11-28 05:33:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-28 05:33:33,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:33:33,853 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] [2024-11-28 05:33:33,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 05:33:33,854 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:33:33,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:33:33,855 INFO L85 PathProgramCache]: Analyzing trace with hash 498034293, now seen corresponding path program 1 times [2024-11-28 05:33:33,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:33:33,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846735072] [2024-11-28 05:33:33,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:33:33,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:33:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:33:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:33:41,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:33:41,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846735072] [2024-11-28 05:33:41,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846735072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:33:41,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:33:41,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:33:41,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491450080] [2024-11-28 05:33:41,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:33:41,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:33:41,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:33:41,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:33:41,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:33:41,186 INFO L87 Difference]: Start difference. First operand 4031 states and 5759 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) [2024-11-28 05:33:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:33:41,849 INFO L93 Difference]: Finished difference Result 7567 states and 10856 transitions. [2024-11-28 05:33:41,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:33:41,849 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 [2024-11-28 05:33:41,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:33:41,877 INFO L225 Difference]: With dead ends: 7567 [2024-11-28 05:33:41,877 INFO L226 Difference]: Without dead ends: 4030 [2024-11-28 05:33:41,891 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 [2024-11-28 05:33:41,891 INFO L435 NwaCegarLoop]: 3307 mSDtfsCounter, 0 mSDsluCounter, 6603 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-28 05:33:41,891 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] [2024-11-28 05:33:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4030 states. [2024-11-28 05:33:42,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4030 to 4030. [2024-11-28 05:33:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4030 states, 2956 states have (on average 1.3203653585926929) internal successors, (3903), 3034 states have internal predecessors, (3903), 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) [2024-11-28 05:33:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 5757 transitions. [2024-11-28 05:33:42,208 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 5757 transitions. Word has length 306 [2024-11-28 05:33:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:33:42,209 INFO L471 AbstractCegarLoop]: Abstraction has 4030 states and 5757 transitions. [2024-11-28 05:33:42,209 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) [2024-11-28 05:33:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 5757 transitions. [2024-11-28 05:33:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-28 05:33:42,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:33:42,218 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] [2024-11-28 05:33:42,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 05:33:42,219 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:33:42,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:33:42,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1339206579, now seen corresponding path program 1 times [2024-11-28 05:33:42,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:33:42,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776303787] [2024-11-28 05:33:42,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:33:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:33:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:33:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:33:50,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:33:50,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776303787] [2024-11-28 05:33:50,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776303787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:33:50,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:33:50,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:33:50,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374767459] [2024-11-28 05:33:50,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:33:50,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:33:50,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:33:50,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:33:50,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:33:50,773 INFO L87 Difference]: Start difference. First operand 4030 states and 5757 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) [2024-11-28 05:33:51,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:33:51,449 INFO L93 Difference]: Finished difference Result 7570 states and 10858 transitions. [2024-11-28 05:33:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:33:51,449 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 [2024-11-28 05:33:51,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:33:51,480 INFO L225 Difference]: With dead ends: 7570 [2024-11-28 05:33:51,480 INFO L226 Difference]: Without dead ends: 4034 [2024-11-28 05:33:51,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:33:51,494 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 4 mSDsluCounter, 9915 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-28 05:33:51,495 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] [2024-11-28 05:33:51,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2024-11-28 05:33:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 4034. [2024-11-28 05:33:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4034 states, 2959 states have (on average 1.3200405542412976) internal successors, (3906), 3037 states have internal predecessors, (3906), 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) [2024-11-28 05:33:51,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 4034 states and 5760 transitions. [2024-11-28 05:33:51,857 INFO L78 Accepts]: Start accepts. Automaton has 4034 states and 5760 transitions. Word has length 305 [2024-11-28 05:33:51,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:33:51,857 INFO L471 AbstractCegarLoop]: Abstraction has 4034 states and 5760 transitions. [2024-11-28 05:33:51,857 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) [2024-11-28 05:33:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4034 states and 5760 transitions. [2024-11-28 05:33:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-28 05:33:51,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:33:51,865 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] [2024-11-28 05:33:51,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 05:33:51,865 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:33:51,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:33:51,866 INFO L85 PathProgramCache]: Analyzing trace with hash -85017052, now seen corresponding path program 1 times [2024-11-28 05:33:51,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:33:51,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111305748] [2024-11-28 05:33:51,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:33:51,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:33:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:34:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 05:34:00,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:34:00,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111305748] [2024-11-28 05:34:00,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111305748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:34:00,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:34:00,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:34:00,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583223737] [2024-11-28 05:34:00,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:34:00,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:34:00,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:34:00,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:34:00,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:34:00,287 INFO L87 Difference]: Start difference. First operand 4034 states and 5760 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) [2024-11-28 05:34:01,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:34:01,262 INFO L93 Difference]: Finished difference Result 7578 states and 10878 transitions. [2024-11-28 05:34:01,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:34:01,263 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 [2024-11-28 05:34:01,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:34:01,307 INFO L225 Difference]: With dead ends: 7578 [2024-11-28 05:34:01,307 INFO L226 Difference]: Without dead ends: 3901 [2024-11-28 05:34:01,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:34:01,331 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 [2024-11-28 05:34:01,331 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] [2024-11-28 05:34:01,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2024-11-28 05:34:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3901. [2024-11-28 05:34:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3901 states, 2866 states have (on average 1.3237962316817864) internal successors, (3794), 2938 states have internal predecessors, (3794), 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) [2024-11-28 05:34:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3901 states to 3901 states and 5567 transitions. [2024-11-28 05:34:01,632 INFO L78 Accepts]: Start accepts. Automaton has 3901 states and 5567 transitions. Word has length 307 [2024-11-28 05:34:01,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:34:01,633 INFO L471 AbstractCegarLoop]: Abstraction has 3901 states and 5567 transitions. [2024-11-28 05:34:01,633 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) [2024-11-28 05:34:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3901 states and 5567 transitions. [2024-11-28 05:34:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-28 05:34:01,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:34:01,645 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] [2024-11-28 05:34:01,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 05:34:01,645 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:34:01,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:34:01,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1937817564, now seen corresponding path program 1 times [2024-11-28 05:34:01,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:34:01,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823302536] [2024-11-28 05:34:01,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:34:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:34:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:34:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-11-28 05:34:08,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:34:08,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823302536] [2024-11-28 05:34:08,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823302536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:34:08,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:34:08,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:34:08,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296833326] [2024-11-28 05:34:08,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:34:08,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:34:08,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:34:08,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:34:08,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:34:08,473 INFO L87 Difference]: Start difference. First operand 3901 states and 5567 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) [2024-11-28 05:34:09,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:34:09,129 INFO L93 Difference]: Finished difference Result 10796 states and 15396 transitions. [2024-11-28 05:34:09,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:34:09,130 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 [2024-11-28 05:34:09,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:34:09,177 INFO L225 Difference]: With dead ends: 10796 [2024-11-28 05:34:09,177 INFO L226 Difference]: Without dead ends: 6913 [2024-11-28 05:34:09,195 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 [2024-11-28 05:34:09,195 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 [2024-11-28 05:34:09,195 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] [2024-11-28 05:34:09,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2024-11-28 05:34:09,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6911. [2024-11-28 05:34:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6911 states, 5029 states have (on average 1.3203420163054285) internal successors, (6640), 5159 states have internal predecessors, (6640), 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) [2024-11-28 05:34:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6911 states to 6911 states and 9850 transitions. [2024-11-28 05:34:09,755 INFO L78 Accepts]: Start accepts. Automaton has 6911 states and 9850 transitions. Word has length 399 [2024-11-28 05:34:09,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:34:09,755 INFO L471 AbstractCegarLoop]: Abstraction has 6911 states and 9850 transitions. [2024-11-28 05:34:09,755 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) [2024-11-28 05:34:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 6911 states and 9850 transitions. [2024-11-28 05:34:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-28 05:34:09,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:34:09,781 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] [2024-11-28 05:34:09,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 05:34:09,782 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:34:09,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:34:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash 174990412, now seen corresponding path program 1 times [2024-11-28 05:34:09,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:34:09,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238100829] [2024-11-28 05:34:09,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:34:09,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:34:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:34:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-28 05:34:16,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:34:16,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238100829] [2024-11-28 05:34:16,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238100829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:34:16,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:34:16,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:34:16,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832941432] [2024-11-28 05:34:16,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:34:16,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:34:16,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:34:16,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:34:16,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:34:16,626 INFO L87 Difference]: Start difference. First operand 6911 states and 9850 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) [2024-11-28 05:34:17,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:34:17,544 INFO L93 Difference]: Finished difference Result 10812 states and 15422 transitions. [2024-11-28 05:34:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:34:17,545 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 [2024-11-28 05:34:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:34:17,586 INFO L225 Difference]: With dead ends: 10812 [2024-11-28 05:34:17,586 INFO L226 Difference]: Without dead ends: 6929 [2024-11-28 05:34:17,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:34:17,601 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 [2024-11-28 05:34:17,601 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] [2024-11-28 05:34:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6929 states. [2024-11-28 05:34:18,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6929 to 6926. [2024-11-28 05:34:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6926 states, 5044 states have (on average 1.3199841395717684) internal successors, (6658), 5174 states have internal predecessors, (6658), 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) [2024-11-28 05:34:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9868 transitions. [2024-11-28 05:34:18,152 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9868 transitions. Word has length 404 [2024-11-28 05:34:18,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:34:18,152 INFO L471 AbstractCegarLoop]: Abstraction has 6926 states and 9868 transitions. [2024-11-28 05:34:18,153 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) [2024-11-28 05:34:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9868 transitions. [2024-11-28 05:34:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-28 05:34:18,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:34:18,185 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] [2024-11-28 05:34:18,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 05:34:18,185 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:34:18,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:34:18,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1427836281, now seen corresponding path program 1 times [2024-11-28 05:34:18,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:34:18,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495261488] [2024-11-28 05:34:18,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:34:18,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:34:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:34:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-28 05:34:25,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:34:25,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495261488] [2024-11-28 05:34:25,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495261488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:34:25,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211387389] [2024-11-28 05:34:25,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:34:25,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:34:25,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:34:25,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:34:25,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:34:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:34:37,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 5155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:34:37,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:34:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-28 05:34:40,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:34:40,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211387389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:34:40,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:34:40,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 05:34:40,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575803272] [2024-11-28 05:34:40,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:34:40,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:34:40,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:34:40,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:34:40,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:34:40,261 INFO L87 Difference]: Start difference. First operand 6926 states and 9868 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) [2024-11-28 05:34:40,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:34:40,878 INFO L93 Difference]: Finished difference Result 12430 states and 17809 transitions. [2024-11-28 05:34:40,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:34:40,879 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 [2024-11-28 05:34:40,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:34:40,899 INFO L225 Difference]: With dead ends: 12430 [2024-11-28 05:34:40,899 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:34:40,935 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 [2024-11-28 05:34:40,936 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 [2024-11-28 05:34:40,936 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] [2024-11-28 05:34:40,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:34:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:34:40,937 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) [2024-11-28 05:34:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:34:40,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-11-28 05:34:40,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:34:40,952 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:34:40,952 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) [2024-11-28 05:34:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:34:40,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:34:40,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:34:40,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:34:41,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa56b7-cd23-4ef1-a592-87323fd673c4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-28 05:34:41,159 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, 1] [2024-11-28 05:34:41,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.