./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/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_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-23 18:23:53,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:23:53,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 18:23:53,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:23:53,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:23:53,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:23:53,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:23:53,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:23:53,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:23:53,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:23:53,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:23:53,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:23:53,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:23:53,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:23:53,840 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:23:53,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:23:53,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:23:53,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:23:53,842 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:23:53,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:23:53,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:23:53,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:23:53,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:23:53,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:23:53,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:23:53,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:23:53,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:23:53,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:23:53,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:23:53,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:23:53,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:23:53,844 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_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 18:23:54,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:23:54,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:23:54,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:23:54,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:23:54,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:23:54,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-11-23 18:23:57,169 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/data/f1b2dbe3f/5231af93e0554c45bb4b1cd6f8d00eec/FLAG3fa8c85b0 [2024-11-23 18:23:57,838 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:23:57,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-11-23 18:23:57,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/data/f1b2dbe3f/5231af93e0554c45bb4b1cd6f8d00eec/FLAG3fa8c85b0 [2024-11-23 18:23:57,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/data/f1b2dbe3f/5231af93e0554c45bb4b1cd6f8d00eec [2024-11-23 18:23:57,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:23:57,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:23:57,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:23:57,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:23:57,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:23:57,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:23:57" (1/1) ... [2024-11-23 18:23:57,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f284e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:57, skipping insertion in model container [2024-11-23 18:23:57,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:23:57" (1/1) ... [2024-11-23 18:23:58,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:24:00,798 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_2683ea52-2aac-44a3-921b-7d4008cf4157/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2024-11-23 18:24:00,802 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_2683ea52-2aac-44a3-921b-7d4008cf4157/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2024-11-23 18:24:00,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:24:00,865 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:24:00,987 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] [2024-11-23 18:24:00,990 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] [2024-11-23 18:24:00,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2024-11-23 18:24:00,994 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] [2024-11-23 18:24:00,997 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] [2024-11-23 18:24:01,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2024-11-23 18:24:01,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2024-11-23 18:24:01,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2024-11-23 18:24:01,009 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] [2024-11-23 18:24:01,011 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5666-5667] [2024-11-23 18:24:01,013 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] [2024-11-23 18:24:01,015 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] [2024-11-23 18:24:01,016 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] [2024-11-23 18:24:01,018 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] [2024-11-23 18:24:01,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2024-11-23 18:24:01,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2024-11-23 18:24:01,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2024-11-23 18:24:01,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2024-11-23 18:24:01,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2024-11-23 18:24:01,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2024-11-23 18:24:01,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2024-11-23 18:24:01,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2024-11-23 18:24:01,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2024-11-23 18:24:01,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2024-11-23 18:24:01,340 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_2683ea52-2aac-44a3-921b-7d4008cf4157/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2024-11-23 18:24:01,340 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_2683ea52-2aac-44a3-921b-7d4008cf4157/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2024-11-23 18:24:01,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:24:01,572 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:24:01,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01 WrapperNode [2024-11-23 18:24:01,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:24:01,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:24:01,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:24:01,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:24:01,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:01,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:02,039 INFO L138 Inliner]: procedures = 429, calls = 2225, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 6046 [2024-11-23 18:24:02,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:24:02,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:24:02,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:24:02,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:24:02,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:02,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:02,111 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,490 INFO L175 MemorySlicer]: Split 1005 memory accesses to 20 slices as follows [4, 1, 15, 2, 4, 2, 71, 10, 7, 7, 2, 4, 2, 825, 7, 8, 7, 7, 1, 19]. 82 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [0, 0, 15, 0, 4, 2, 0, 6, 7, 0, 0, 4, 0, 30, 7, 8, 0, 7, 1, 0]. The 450 writes are split as follows [4, 0, 0, 1, 0, 0, 71, 1, 0, 2, 1, 0, 0, 357, 0, 0, 2, 0, 0, 11]. [2024-11-23 18:24:03,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,705 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:24:03,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:24:03,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:24:03,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:24:03,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (1/1) ... [2024-11-23 18:24:03,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:24:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:24:03,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:24:03,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:24:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-11-23 18:24:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-11-23 18:24:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-23 18:24:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-23 18:24:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-23 18:24:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-23 18:24:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 18:24:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 18:24:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-11-23 18:24:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-11-23 18:24:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-11-23 18:24:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-11-23 18:24:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-11-23 18:24:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-11-23 18:24:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-23 18:24:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-23 18:24:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-11-23 18:24:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-11-23 18:24:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 18:24:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 18:24:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-23 18:24:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-23 18:24:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2024-11-23 18:24:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2024-11-23 18:24:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-11-23 18:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-11-23 18:24:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-23 18:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-23 18:24:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-11-23 18:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-11-23 18:24:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-23 18:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-23 18:24:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-11-23 18:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-11-23 18:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-11-23 18:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-11-23 18:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-11-23 18:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-11-23 18:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 18:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 18:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-23 18:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-23 18:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-23 18:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-23 18:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-11-23 18:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-11-23 18:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 18:24:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 18:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 18:24:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 18:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-23 18:24:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-23 18:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-11-23 18:24:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-11-23 18:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-23 18:24:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 18:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 18:24:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 18:24:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 18:24:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 18:24:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 18:24:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:24:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 18:24:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 18:24:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 18:24:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-23 18:24:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-23 18:24:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-23 18:24:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-23 18:24:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-23 18:24:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-23 18:24:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-23 18:24:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-23 18:24:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-23 18:24:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 18:24:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 18:24:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 18:24:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 18:24:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 18:24:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 18:24:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 18:24:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 18:24:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 18:24:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 18:24:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 18:24:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 18:24:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 18:24:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 18:24:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-23 18:24:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-23 18:24:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-23 18:24:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-23 18:24:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-23 18:24:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-23 18:24:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:24:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-11-23 18:24:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-23 18:24:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-23 18:24:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-23 18:24:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-23 18:24:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-23 18:24:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-23 18:24:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 18:24:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-11-23 18:24:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 18:24:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 18:24:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-23 18:24:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-23 18:24:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-23 18:24:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-23 18:24:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 18:24:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-23 18:24:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 18:24:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-23 18:24:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 18:24:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-23 18:24:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2024-11-23 18:24:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2024-11-23 18:24:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 18:24:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 18:24:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-23 18:24:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-23 18:24:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-11-23 18:24:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-11-23 18:24:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 18:24:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 18:24:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 18:24:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 18:24:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-23 18:24:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-23 18:24:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-11-23 18:24:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-11-23 18:24:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-11-23 18:24:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-11-23 18:24:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-23 18:24:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-23 18:24:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-23 18:24:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-23 18:24:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-11-23 18:24:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 18:24:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 18:24:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-23 18:24:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 18:24:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-23 18:24:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-23 18:24:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-11-23 18:24:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-23 18:24:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 18:24:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 18:24:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 18:24:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 18:24:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 18:24:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-11-23 18:24:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-11-23 18:24:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 18:24:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 18:24:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-23 18:24:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-23 18:24:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-11-23 18:24:03,981 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-11-23 18:24:05,253 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:24:05,259 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:24:05,516 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 18:24:18,522 INFO L? ?]: Removed 2890 outVars from TransFormulas that were not future-live. [2024-11-23 18:24:18,522 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:24:18,604 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:24:18,608 INFO L312 CfgBuilder]: Removed 21 assume(true) statements. [2024-11-23 18:24:18,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:24:18 BoogieIcfgContainer [2024-11-23 18:24:18,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:24:18,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:24:18,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:24:18,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:24:18,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:23:57" (1/3) ... [2024-11-23 18:24:18,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24856184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:24:18, skipping insertion in model container [2024-11-23 18:24:18,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:24:01" (2/3) ... [2024-11-23 18:24:18,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24856184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:24:18, skipping insertion in model container [2024-11-23 18:24:18,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:24:18" (3/3) ... [2024-11-23 18:24:18,622 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-11-23 18:24:18,641 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:24:18,644 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. [2024-11-23 18:24:18,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:24:18,779 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;@5245957b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:24:18,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:24:18,793 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) [2024-11-23 18:24:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 18:24:18,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:18,820 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] [2024-11-23 18:24:18,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:18,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:18,828 INFO L85 PathProgramCache]: Analyzing trace with hash 505096576, now seen corresponding path program 1 times [2024-11-23 18:24:18,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:18,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104417829] [2024-11-23 18:24:18,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:18,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:24:27,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:27,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104417829] [2024-11-23 18:24:27,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104417829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:27,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:27,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:24:27,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706048864] [2024-11-23 18:24:27,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:27,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:24:27,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:27,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:24:27,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:24:27,722 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) [2024-11-23 18:24:28,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:28,159 INFO L93 Difference]: Finished difference Result 5110 states and 7616 transitions. [2024-11-23 18:24:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:24:28,162 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 [2024-11-23 18:24:28,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:28,231 INFO L225 Difference]: With dead ends: 5110 [2024-11-23 18:24:28,231 INFO L226 Difference]: Without dead ends: 2309 [2024-11-23 18:24:28,268 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 [2024-11-23 18:24:28,272 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 [2024-11-23 18:24:28,275 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] [2024-11-23 18:24:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-23 18:24:28,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-23 18:24:28,592 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) [2024-11-23 18:24:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3323 transitions. [2024-11-23 18:24:28,643 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3323 transitions. Word has length 120 [2024-11-23 18:24:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:28,645 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3323 transitions. [2024-11-23 18:24:28,646 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) [2024-11-23 18:24:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3323 transitions. [2024-11-23 18:24:28,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 18:24:28,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:28,650 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:24:28,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:24:28,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:28,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:28,656 INFO L85 PathProgramCache]: Analyzing trace with hash -677868429, now seen corresponding path program 1 times [2024-11-23 18:24:28,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:28,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704140314] [2024-11-23 18:24:28,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:24:36,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:36,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704140314] [2024-11-23 18:24:36,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704140314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:36,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:36,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:24:36,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724264157] [2024-11-23 18:24:36,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:36,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:24:36,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:36,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:24:36,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:24:36,330 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) [2024-11-23 18:24:40,420 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 [] [2024-11-23 18:24:52,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:52,285 INFO L93 Difference]: Finished difference Result 4598 states and 6632 transitions. [2024-11-23 18:24:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:52,286 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 [2024-11-23 18:24:52,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:52,315 INFO L225 Difference]: With dead ends: 4598 [2024-11-23 18:24:52,315 INFO L226 Difference]: Without dead ends: 2309 [2024-11-23 18:24:52,333 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 [2024-11-23 18:24:52,334 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 3285 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s 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, 15.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:52,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 5572 Invalid, 1073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1071 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2024-11-23 18:24:52,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-23 18:24:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-23 18:24:52,467 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) [2024-11-23 18:24:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3322 transitions. [2024-11-23 18:24:52,493 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3322 transitions. Word has length 121 [2024-11-23 18:24:52,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:52,494 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3322 transitions. [2024-11-23 18:24:52,495 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) [2024-11-23 18:24:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3322 transitions. [2024-11-23 18:24:52,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 18:24:52,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:52,499 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] [2024-11-23 18:24:52,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:24:52,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:52,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:52,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1671084162, now seen corresponding path program 1 times [2024-11-23 18:24:52,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:52,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994163477] [2024-11-23 18:24:52,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:24:59,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:59,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994163477] [2024-11-23 18:24:59,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994163477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:59,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:59,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:24:59,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401322989] [2024-11-23 18:24:59,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:59,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:24:59,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:59,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:24:59,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:24:59,583 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) [2024-11-23 18:25:03,648 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 [] [2024-11-23 18:25:15,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:15,152 INFO L93 Difference]: Finished difference Result 4598 states and 6630 transitions. [2024-11-23 18:25:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:25:15,153 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 [2024-11-23 18:25:15,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:15,177 INFO L225 Difference]: With dead ends: 4598 [2024-11-23 18:25:15,177 INFO L226 Difference]: Without dead ends: 2309 [2024-11-23 18:25:15,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:15,195 INFO L435 NwaCegarLoop]: 3319 mSDtfsCounter, 4474 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s 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, 14.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:15,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4474 Valid, 5568 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2024-11-23 18:25:15,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-23 18:25:15,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-23 18:25:15,345 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) [2024-11-23 18:25:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3321 transitions. [2024-11-23 18:25:15,363 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3321 transitions. Word has length 122 [2024-11-23 18:25:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:15,364 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3321 transitions. [2024-11-23 18:25:15,364 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) [2024-11-23 18:25:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3321 transitions. [2024-11-23 18:25:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 18:25:15,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:15,367 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] [2024-11-23 18:25:15,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:25:15,368 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:15,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:15,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1588687055, now seen corresponding path program 1 times [2024-11-23 18:25:15,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:15,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715983024] [2024-11-23 18:25:15,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:15,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:25:22,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:22,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715983024] [2024-11-23 18:25:22,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715983024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:22,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:22,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:25:22,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498441408] [2024-11-23 18:25:22,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:22,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:25:22,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:22,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:25:22,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:25:22,045 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) [2024-11-23 18:25:26,125 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 [] [2024-11-23 18:25:37,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:37,789 INFO L93 Difference]: Finished difference Result 4598 states and 6628 transitions. [2024-11-23 18:25:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:25:37,790 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 [2024-11-23 18:25:37,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:37,816 INFO L225 Difference]: With dead ends: 4598 [2024-11-23 18:25:37,816 INFO L226 Difference]: Without dead ends: 2309 [2024-11-23 18:25:37,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:37,831 INFO L435 NwaCegarLoop]: 3318 mSDtfsCounter, 4471 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s 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, 15.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:37,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4471 Valid, 5566 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.1s Time] [2024-11-23 18:25:37,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-23 18:25:37,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-23 18:25:37,988 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) [2024-11-23 18:25:38,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3320 transitions. [2024-11-23 18:25:38,006 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3320 transitions. Word has length 123 [2024-11-23 18:25:38,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:38,008 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3320 transitions. [2024-11-23 18:25:38,008 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) [2024-11-23 18:25:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3320 transitions. [2024-11-23 18:25:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-23 18:25:38,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:38,016 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] [2024-11-23 18:25:38,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:25:38,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:38,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:38,017 INFO L85 PathProgramCache]: Analyzing trace with hash -851106658, now seen corresponding path program 1 times [2024-11-23 18:25:38,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:38,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132917412] [2024-11-23 18:25:38,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:38,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:25:44,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:44,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132917412] [2024-11-23 18:25:44,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132917412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:44,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:44,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:25:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173728908] [2024-11-23 18:25:44,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:44,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:25:44,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:44,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:25:44,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:25:44,064 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) [2024-11-23 18:25:48,131 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 [] [2024-11-23 18:26:00,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:26:00,015 INFO L93 Difference]: Finished difference Result 4598 states and 6626 transitions. [2024-11-23 18:26:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:26:00,015 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 [2024-11-23 18:26:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:26:00,028 INFO L225 Difference]: With dead ends: 4598 [2024-11-23 18:26:00,029 INFO L226 Difference]: Without dead ends: 2309 [2024-11-23 18:26:00,037 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 [2024-11-23 18:26:00,038 INFO L435 NwaCegarLoop]: 3317 mSDtfsCounter, 4468 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4468 SdHoareTripleChecker+Valid, 5564 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:26:00,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4468 Valid, 5564 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2024-11-23 18:26:00,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-23 18:26:00,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2024-11-23 18:26:00,205 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) [2024-11-23 18:26:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3319 transitions. [2024-11-23 18:26:00,221 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3319 transitions. Word has length 124 [2024-11-23 18:26:00,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:26:00,222 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3319 transitions. [2024-11-23 18:26:00,222 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) [2024-11-23 18:26:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3319 transitions. [2024-11-23 18:26:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 18:26:00,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:26:00,226 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] [2024-11-23 18:26:00,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:26:00,227 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:26:00,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:26:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash 939216171, now seen corresponding path program 1 times [2024-11-23 18:26:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:26:00,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583633638] [2024-11-23 18:26:00,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:26:00,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:26:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:26:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:26:06,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:26:06,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583633638] [2024-11-23 18:26:06,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583633638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:26:06,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:26:06,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:26:06,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669778033] [2024-11-23 18:26:06,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:26:06,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:26:06,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:26:06,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:26:06,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:26:06,770 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) [2024-11-23 18:26:10,848 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 [] [2024-11-23 18:26:31,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:26:31,809 INFO L93 Difference]: Finished difference Result 5578 states and 7947 transitions. [2024-11-23 18:26:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:26:31,810 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 [2024-11-23 18:26:31,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:26:31,834 INFO L225 Difference]: With dead ends: 5578 [2024-11-23 18:26:31,835 INFO L226 Difference]: Without dead ends: 3289 [2024-11-23 18:26:31,846 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 [2024-11-23 18:26:31,847 INFO L435 NwaCegarLoop]: 3934 mSDtfsCounter, 5449 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 2068 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s 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, 24.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:26:31,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5462 Valid, 7349 Invalid, 3723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2068 Valid, 1654 Invalid, 1 Unknown, 0 Unchecked, 24.1s Time] [2024-11-23 18:26:31,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2024-11-23 18:26:32,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 3283. [2024-11-23 18:26:32,114 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) [2024-11-23 18:26:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4651 transitions. [2024-11-23 18:26:32,140 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4651 transitions. Word has length 125 [2024-11-23 18:26:32,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:26:32,141 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4651 transitions. [2024-11-23 18:26:32,146 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) [2024-11-23 18:26:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4651 transitions. [2024-11-23 18:26:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 18:26:32,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:26:32,152 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] [2024-11-23 18:26:32,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:26:32,152 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:26:32,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:26:32,153 INFO L85 PathProgramCache]: Analyzing trace with hash 719165626, now seen corresponding path program 1 times [2024-11-23 18:26:32,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:26:32,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699797321] [2024-11-23 18:26:32,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:26:32,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:26:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:26:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:26:38,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:26:38,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699797321] [2024-11-23 18:26:38,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699797321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:26:38,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:26:38,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:26:38,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600365098] [2024-11-23 18:26:38,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:26:38,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:26:38,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:26:38,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:26:38,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:26:38,330 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) [2024-11-23 18:26:42,399 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 [] [2024-11-23 18:26:54,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:26:54,854 INFO L93 Difference]: Finished difference Result 6546 states and 9302 transitions. [2024-11-23 18:26:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:26:54,854 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 [2024-11-23 18:26:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:26:54,882 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:26:54,882 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:26:54,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:26:54,899 INFO L435 NwaCegarLoop]: 3316 mSDtfsCounter, 4464 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4464 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:26:54,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4464 Valid, 5562 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2024-11-23 18:26:54,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:26:55,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:26:55,168 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) [2024-11-23 18:26:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4648 transitions. [2024-11-23 18:26:55,192 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4648 transitions. Word has length 126 [2024-11-23 18:26:55,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:26:55,193 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4648 transitions. [2024-11-23 18:26:55,193 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) [2024-11-23 18:26:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4648 transitions. [2024-11-23 18:26:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 18:26:55,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:26:55,196 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] [2024-11-23 18:26:55,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:26:55,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:26:55,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:26:55,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1692917369, now seen corresponding path program 1 times [2024-11-23 18:26:55,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:26:55,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833387472] [2024-11-23 18:26:55,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:26:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:27:01,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:01,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833387472] [2024-11-23 18:27:01,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833387472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:01,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:01,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:27:01,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126221791] [2024-11-23 18:27:01,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:01,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:27:01,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:01,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:27:01,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:27:01,173 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) [2024-11-23 18:27:05,243 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 [] [2024-11-23 18:27:17,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:17,777 INFO L93 Difference]: Finished difference Result 6546 states and 9296 transitions. [2024-11-23 18:27:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:17,778 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 [2024-11-23 18:27:17,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:17,800 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:27:17,800 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:27:17,820 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 [2024-11-23 18:27:17,821 INFO L435 NwaCegarLoop]: 3315 mSDtfsCounter, 4461 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4461 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:17,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4461 Valid, 5560 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2024-11-23 18:27:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:27:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:27:18,090 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) [2024-11-23 18:27:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4645 transitions. [2024-11-23 18:27:18,112 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4645 transitions. Word has length 127 [2024-11-23 18:27:18,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:18,113 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4645 transitions. [2024-11-23 18:27:18,113 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) [2024-11-23 18:27:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4645 transitions. [2024-11-23 18:27:18,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-23 18:27:18,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:18,117 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] [2024-11-23 18:27:18,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:27:18,117 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:27:18,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:18,118 INFO L85 PathProgramCache]: Analyzing trace with hash 956437718, now seen corresponding path program 1 times [2024-11-23 18:27:18,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349485851] [2024-11-23 18:27:18,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:18,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:27:24,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:24,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349485851] [2024-11-23 18:27:24,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349485851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:24,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:24,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:27:24,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326836281] [2024-11-23 18:27:24,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:24,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:27:24,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:24,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:27:24,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:27:24,357 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) [2024-11-23 18:27:28,406 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 [] [2024-11-23 18:27:41,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:41,335 INFO L93 Difference]: Finished difference Result 6546 states and 9290 transitions. [2024-11-23 18:27:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:41,335 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 [2024-11-23 18:27:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:41,359 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:27:41,359 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:27:41,370 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 [2024-11-23 18:27:41,370 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 4458 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4458 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:41,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4458 Valid, 5558 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2024-11-23 18:27:41,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:27:41,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:27:41,715 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) [2024-11-23 18:27:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4642 transitions. [2024-11-23 18:27:41,736 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4642 transitions. Word has length 128 [2024-11-23 18:27:41,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:41,737 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4642 transitions. [2024-11-23 18:27:41,737 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) [2024-11-23 18:27:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4642 transitions. [2024-11-23 18:27:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 18:27:41,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:41,740 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] [2024-11-23 18:27:41,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:27:41,740 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:27:41,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:41,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1596583395, now seen corresponding path program 1 times [2024-11-23 18:27:41,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:41,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834355289] [2024-11-23 18:27:41,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:41,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:27:48,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:48,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834355289] [2024-11-23 18:27:48,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834355289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:48,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:48,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:27:48,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175861119] [2024-11-23 18:27:48,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:48,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:27:48,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:48,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:27:48,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:27:48,042 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) [2024-11-23 18:27:52,096 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 [] [2024-11-23 18:28:05,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:05,201 INFO L93 Difference]: Finished difference Result 6546 states and 9284 transitions. [2024-11-23 18:28:05,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:05,201 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 [2024-11-23 18:28:05,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:05,230 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:28:05,230 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:28:05,247 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 [2024-11-23 18:28:05,248 INFO L435 NwaCegarLoop]: 3313 mSDtfsCounter, 4455 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4455 SdHoareTripleChecker+Valid, 5556 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:05,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4455 Valid, 5556 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2024-11-23 18:28:05,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:28:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:28:05,524 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) [2024-11-23 18:28:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4639 transitions. [2024-11-23 18:28:05,546 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4639 transitions. Word has length 129 [2024-11-23 18:28:05,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:05,547 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4639 transitions. [2024-11-23 18:28:05,547 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) [2024-11-23 18:28:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4639 transitions. [2024-11-23 18:28:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 18:28:05,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:05,550 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] [2024-11-23 18:28:05,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:28:05,550 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:05,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:05,551 INFO L85 PathProgramCache]: Analyzing trace with hash 80779506, now seen corresponding path program 1 times [2024-11-23 18:28:05,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:28:05,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461598901] [2024-11-23 18:28:05,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:28:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:28:12,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:28:12,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461598901] [2024-11-23 18:28:12,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461598901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:12,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:12,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:28:12,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979264645] [2024-11-23 18:28:12,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:12,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:28:12,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:28:12,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:28:12,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:28:12,138 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) [2024-11-23 18:28:16,187 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 [] [2024-11-23 18:28:29,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:29,672 INFO L93 Difference]: Finished difference Result 6546 states and 9278 transitions. [2024-11-23 18:28:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:29,673 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 [2024-11-23 18:28:29,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:29,704 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:28:29,704 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:28:29,720 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 [2024-11-23 18:28:29,721 INFO L435 NwaCegarLoop]: 3312 mSDtfsCounter, 4452 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4452 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:29,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4452 Valid, 5554 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2024-11-23 18:28:29,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:28:30,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:28:30,015 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) [2024-11-23 18:28:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4636 transitions. [2024-11-23 18:28:30,040 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4636 transitions. Word has length 130 [2024-11-23 18:28:30,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:30,041 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4636 transitions. [2024-11-23 18:28:30,041 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) [2024-11-23 18:28:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4636 transitions. [2024-11-23 18:28:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 18:28:30,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:30,044 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] [2024-11-23 18:28:30,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:28:30,045 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:30,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash 450015807, now seen corresponding path program 1 times [2024-11-23 18:28:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:28:30,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193224460] [2024-11-23 18:28:30,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:28:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:28:36,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:28:36,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193224460] [2024-11-23 18:28:36,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193224460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:36,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:36,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:28:36,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757790595] [2024-11-23 18:28:36,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:36,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:28:36,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:28:36,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:28:36,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:28:36,874 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) [2024-11-23 18:28:40,924 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 [] [2024-11-23 18:28:54,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:54,537 INFO L93 Difference]: Finished difference Result 6546 states and 9272 transitions. [2024-11-23 18:28:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:28:54,538 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 [2024-11-23 18:28:54,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:54,558 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:28:54,558 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:28:54,572 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 [2024-11-23 18:28:54,573 INFO L435 NwaCegarLoop]: 3311 mSDtfsCounter, 4449 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 17.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:54,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 5552 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 17.0s Time] [2024-11-23 18:28:54,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:28:54,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:28:54,902 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) [2024-11-23 18:28:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4633 transitions. [2024-11-23 18:28:54,927 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4633 transitions. Word has length 131 [2024-11-23 18:28:54,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:54,928 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4633 transitions. [2024-11-23 18:28:54,928 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) [2024-11-23 18:28:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4633 transitions. [2024-11-23 18:28:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 18:28:54,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:54,931 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] [2024-11-23 18:28:54,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:28:54,932 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:54,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:54,932 INFO L85 PathProgramCache]: Analyzing trace with hash -874044146, now seen corresponding path program 1 times [2024-11-23 18:28:54,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:28:54,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910476009] [2024-11-23 18:28:54,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:54,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:29:00,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:00,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910476009] [2024-11-23 18:29:00,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910476009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:29:00,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:29:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:29:00,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566393250] [2024-11-23 18:29:00,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:29:00,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:29:00,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:00,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:29:00,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:29:00,902 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) [2024-11-23 18:29:04,952 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 [] [2024-11-23 18:29:18,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:18,691 INFO L93 Difference]: Finished difference Result 6546 states and 9266 transitions. [2024-11-23 18:29:18,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:29:18,691 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 [2024-11-23 18:29:18,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:18,720 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:29:18,720 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:29:18,740 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 [2024-11-23 18:29:18,741 INFO L435 NwaCegarLoop]: 3310 mSDtfsCounter, 4446 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s 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, 17.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:18,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4446 Valid, 5550 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 17.0s Time] [2024-11-23 18:29:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:29:19,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:29:19,245 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) [2024-11-23 18:29:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4630 transitions. [2024-11-23 18:29:19,269 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4630 transitions. Word has length 132 [2024-11-23 18:29:19,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:19,270 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4630 transitions. [2024-11-23 18:29:19,270 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) [2024-11-23 18:29:19,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4630 transitions. [2024-11-23 18:29:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 18:29:19,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:19,273 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] [2024-11-23 18:29:19,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:29:19,273 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:19,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:19,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1144286875, now seen corresponding path program 1 times [2024-11-23 18:29:19,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:19,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846560110] [2024-11-23 18:29:19,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:19,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:29:26,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:26,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846560110] [2024-11-23 18:29:26,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846560110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:29:26,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:29:26,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:29:26,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557687029] [2024-11-23 18:29:26,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:29:26,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:29:26,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:26,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:29:26,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:29:26,871 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) [2024-11-23 18:29:30,928 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 [] [2024-11-23 18:29:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:45,060 INFO L93 Difference]: Finished difference Result 6546 states and 9260 transitions. [2024-11-23 18:29:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:29:45,061 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 [2024-11-23 18:29:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:45,085 INFO L225 Difference]: With dead ends: 6546 [2024-11-23 18:29:45,085 INFO L226 Difference]: Without dead ends: 3283 [2024-11-23 18:29:45,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:29:45,102 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 4443 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 2131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s 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, 17.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:45,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 5548 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 1073 Invalid, 1 Unknown, 0 Unchecked, 17.3s Time] [2024-11-23 18:29:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-23 18:29:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3283. [2024-11-23 18:29:45,469 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) [2024-11-23 18:29:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4627 transitions. [2024-11-23 18:29:45,495 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4627 transitions. Word has length 133 [2024-11-23 18:29:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:45,496 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4627 transitions. [2024-11-23 18:29:45,497 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) [2024-11-23 18:29:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4627 transitions. [2024-11-23 18:29:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 18:29:45,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:45,500 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] [2024-11-23 18:29:45,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:29:45,502 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:45,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1172916026, now seen corresponding path program 1 times [2024-11-23 18:29:45,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:45,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284419286] [2024-11-23 18:29:45,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:45,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 18:29:53,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:53,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284419286] [2024-11-23 18:29:53,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284419286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:29:53,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:29:53,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:29:53,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942108950] [2024-11-23 18:29:53,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:29:53,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:29:53,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:53,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:29:53,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:29:53,300 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) [2024-11-23 18:29:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:53,857 INFO L93 Difference]: Finished difference Result 3289 states and 4633 transitions. [2024-11-23 18:29:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:29:53,858 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 [2024-11-23 18:29:53,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:53,883 INFO L225 Difference]: With dead ends: 3289 [2024-11-23 18:29:53,883 INFO L226 Difference]: Without dead ends: 3287 [2024-11-23 18:29:53,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:29:53,887 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 9923 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13232 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:53,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13232 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:29:53,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2024-11-23 18:29:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3287. [2024-11-23 18:29:54,243 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) [2024-11-23 18:29:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4629 transitions. [2024-11-23 18:29:54,270 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4629 transitions. Word has length 133 [2024-11-23 18:29:54,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:54,270 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4629 transitions. [2024-11-23 18:29:54,271 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) [2024-11-23 18:29:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4629 transitions. [2024-11-23 18:29:54,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-23 18:29:54,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:54,280 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] [2024-11-23 18:29:54,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:29:54,280 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:54,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:54,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1038002949, now seen corresponding path program 1 times [2024-11-23 18:29:54,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:54,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706645827] [2024-11-23 18:29:54,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:54,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-23 18:30:00,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:30:00,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706645827] [2024-11-23 18:30:00,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706645827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:30:00,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:30:00,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:30:00,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465607954] [2024-11-23 18:30:00,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:30:00,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:30:00,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:30:00,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:30:00,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:30:00,106 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) [2024-11-23 18:30:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:30:00,576 INFO L93 Difference]: Finished difference Result 4299 states and 6056 transitions. [2024-11-23 18:30:00,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:30:00,577 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 [2024-11-23 18:30:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:30:00,604 INFO L225 Difference]: With dead ends: 4299 [2024-11-23 18:30:00,604 INFO L226 Difference]: Without dead ends: 3287 [2024-11-23 18:30:00,611 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 [2024-11-23 18:30:00,612 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 [2024-11-23 18:30:00,612 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] [2024-11-23 18:30:00,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2024-11-23 18:30:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3287. [2024-11-23 18:30:00,907 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) [2024-11-23 18:30:00,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4628 transitions. [2024-11-23 18:30:00,931 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4628 transitions. Word has length 204 [2024-11-23 18:30:00,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:30:00,932 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4628 transitions. [2024-11-23 18:30:00,932 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) [2024-11-23 18:30:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4628 transitions. [2024-11-23 18:30:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-23 18:30:00,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:00,939 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] [2024-11-23 18:30:00,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 18:30:00,939 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:00,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:00,940 INFO L85 PathProgramCache]: Analyzing trace with hash 725079838, now seen corresponding path program 1 times [2024-11-23 18:30:00,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:30:00,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159201276] [2024-11-23 18:30:00,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:30:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 18:30:07,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:30:07,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159201276] [2024-11-23 18:30:07,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159201276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:30:07,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:30:07,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:30:07,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858342889] [2024-11-23 18:30:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:30:07,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:30:07,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:30:07,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:30:07,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:30:07,904 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) [2024-11-23 18:30:08,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:30:08,569 INFO L93 Difference]: Finished difference Result 6114 states and 8671 transitions. [2024-11-23 18:30:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:30:08,570 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 [2024-11-23 18:30:08,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:30:08,598 INFO L225 Difference]: With dead ends: 6114 [2024-11-23 18:30:08,598 INFO L226 Difference]: Without dead ends: 3321 [2024-11-23 18:30:08,611 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 [2024-11-23 18:30:08,613 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 [2024-11-23 18:30:08,614 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] [2024-11-23 18:30:08,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2024-11-23 18:30:08,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3289. [2024-11-23 18:30:08,987 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) [2024-11-23 18:30:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 4630 transitions. [2024-11-23 18:30:09,020 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 4630 transitions. Word has length 220 [2024-11-23 18:30:09,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:30:09,021 INFO L471 AbstractCegarLoop]: Abstraction has 3289 states and 4630 transitions. [2024-11-23 18:30:09,021 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) [2024-11-23 18:30:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 4630 transitions. [2024-11-23 18:30:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-23 18:30:09,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:09,030 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] [2024-11-23 18:30:09,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 18:30:09,030 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:09,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1983904996, now seen corresponding path program 1 times [2024-11-23 18:30:09,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:30:09,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557941251] [2024-11-23 18:30:09,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:09,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:30:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-23 18:30:15,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:30:15,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557941251] [2024-11-23 18:30:15,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557941251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:30:15,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909893492] [2024-11-23 18:30:15,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:15,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:30:15,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:30:15,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:30:15,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:30:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:24,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 4226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:30:24,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:30:24,733 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-23 18:30:24,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:30:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-23 18:30:27,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909893492] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:30:27,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:30:27,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 18:30:27,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713158085] [2024-11-23 18:30:27,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:30:27,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:30:27,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:30:27,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:30:27,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:30:27,382 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) [2024-11-23 18:30:29,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:30:29,246 INFO L93 Difference]: Finished difference Result 6207 states and 8811 transitions. [2024-11-23 18:30:29,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:30:29,246 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 [2024-11-23 18:30:29,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:30:29,274 INFO L225 Difference]: With dead ends: 6207 [2024-11-23 18:30:29,274 INFO L226 Difference]: Without dead ends: 3412 [2024-11-23 18:30:29,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:30:29,290 INFO L435 NwaCegarLoop]: 3302 mSDtfsCounter, 124 mSDsluCounter, 9911 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:30:29,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 13213 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 18:30:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2024-11-23 18:30:29,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3391. [2024-11-23 18:30:29,677 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) [2024-11-23 18:30:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 4780 transitions. [2024-11-23 18:30:29,708 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 4780 transitions. Word has length 268 [2024-11-23 18:30:29,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:30:29,709 INFO L471 AbstractCegarLoop]: Abstraction has 3391 states and 4780 transitions. [2024-11-23 18:30:29,709 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) [2024-11-23 18:30:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 4780 transitions. [2024-11-23 18:30:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-23 18:30:29,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:29,720 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] [2024-11-23 18:30:29,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:30:29,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 18:30:29,921 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:29,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:29,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1928800862, now seen corresponding path program 2 times [2024-11-23 18:30:29,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:30:29,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480231825] [2024-11-23 18:30:29,923 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:30:29,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:30:36,141 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 18:30:36,141 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:30:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-23 18:30:36,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:30:36,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480231825] [2024-11-23 18:30:36,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480231825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:30:36,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:30:36,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:30:36,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915433415] [2024-11-23 18:30:36,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:30:36,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:30:36,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:30:36,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:30:36,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:30:36,885 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) [2024-11-23 18:30:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:30:37,481 INFO L93 Difference]: Finished difference Result 6289 states and 8911 transitions. [2024-11-23 18:30:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:30:37,482 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 [2024-11-23 18:30:37,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:30:37,512 INFO L225 Difference]: With dead ends: 6289 [2024-11-23 18:30:37,513 INFO L226 Difference]: Without dead ends: 3392 [2024-11-23 18:30:37,525 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 [2024-11-23 18:30:37,526 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 [2024-11-23 18:30:37,526 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] [2024-11-23 18:30:37,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2024-11-23 18:30:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 3392. [2024-11-23 18:30:37,925 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) [2024-11-23 18:30:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 4781 transitions. [2024-11-23 18:30:37,954 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 4781 transitions. Word has length 292 [2024-11-23 18:30:37,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:30:37,956 INFO L471 AbstractCegarLoop]: Abstraction has 3392 states and 4781 transitions. [2024-11-23 18:30:37,956 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) [2024-11-23 18:30:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 4781 transitions. [2024-11-23 18:30:37,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-23 18:30:37,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:37,967 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] [2024-11-23 18:30:37,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 18:30:37,968 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:37,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:37,969 INFO L85 PathProgramCache]: Analyzing trace with hash 573065645, now seen corresponding path program 1 times [2024-11-23 18:30:37,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:30:37,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189306501] [2024-11-23 18:30:37,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:37,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:30:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:30:44,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:30:44,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189306501] [2024-11-23 18:30:44,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189306501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:30:44,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:30:44,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:30:44,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554609669] [2024-11-23 18:30:44,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:30:44,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:30:44,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:30:44,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:30:44,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:30:44,322 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) [2024-11-23 18:30:44,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:30:44,895 INFO L93 Difference]: Finished difference Result 6291 states and 8903 transitions. [2024-11-23 18:30:44,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:30:44,895 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 [2024-11-23 18:30:44,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:30:44,928 INFO L225 Difference]: With dead ends: 6291 [2024-11-23 18:30:44,928 INFO L226 Difference]: Without dead ends: 3393 [2024-11-23 18:30:44,941 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 [2024-11-23 18:30:44,942 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6611 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:30:44,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6611 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:30:44,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2024-11-23 18:30:45,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3393. [2024-11-23 18:30:45,334 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) [2024-11-23 18:30:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4782 transitions. [2024-11-23 18:30:45,364 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4782 transitions. Word has length 294 [2024-11-23 18:30:45,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:30:45,365 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4782 transitions. [2024-11-23 18:30:45,365 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) [2024-11-23 18:30:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4782 transitions. [2024-11-23 18:30:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-23 18:30:45,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:45,375 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] [2024-11-23 18:30:45,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 18:30:45,375 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:45,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:45,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1775536891, now seen corresponding path program 1 times [2024-11-23 18:30:45,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:30:45,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229094732] [2024-11-23 18:30:45,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:45,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:30:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-23 18:30:52,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:30:52,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229094732] [2024-11-23 18:30:52,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229094732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:30:52,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064207737] [2024-11-23 18:30:52,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:52,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:30:52,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:30:52,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:30:52,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:31:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:02,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 4097 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:31:02,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-23 18:31:02,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:31:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-23 18:31:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064207737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:31:05,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:31:05,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-23 18:31:05,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506786118] [2024-11-23 18:31:05,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:31:05,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 18:31:05,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:05,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 18:31:05,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:31:05,705 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) [2024-11-23 18:31:10,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:10,049 INFO L93 Difference]: Finished difference Result 6517 states and 9271 transitions. [2024-11-23 18:31:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:31:10,050 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 [2024-11-23 18:31:10,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:10,084 INFO L225 Difference]: With dead ends: 6517 [2024-11-23 18:31:10,084 INFO L226 Difference]: Without dead ends: 3618 [2024-11-23 18:31:10,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:31:10,101 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 338 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 13370 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:10,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 13370 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-23 18:31:10,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2024-11-23 18:31:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3597. [2024-11-23 18:31:10,506 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) [2024-11-23 18:31:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5082 transitions. [2024-11-23 18:31:10,537 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5082 transitions. Word has length 253 [2024-11-23 18:31:10,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:10,538 INFO L471 AbstractCegarLoop]: Abstraction has 3597 states and 5082 transitions. [2024-11-23 18:31:10,538 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) [2024-11-23 18:31:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5082 transitions. [2024-11-23 18:31:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-23 18:31:10,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:10,549 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] [2024-11-23 18:31:10,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:31:10,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-23 18:31:10,750 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:10,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:10,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1599502567, now seen corresponding path program 1 times [2024-11-23 18:31:10,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:10,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069921506] [2024-11-23 18:31:10,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:10,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:31:18,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:18,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069921506] [2024-11-23 18:31:18,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069921506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:18,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:18,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:18,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269527637] [2024-11-23 18:31:18,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:18,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:18,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:18,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:18,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:18,065 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) [2024-11-23 18:31:18,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:18,406 INFO L93 Difference]: Finished difference Result 6701 states and 9505 transitions. [2024-11-23 18:31:18,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:18,407 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 [2024-11-23 18:31:18,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:18,438 INFO L225 Difference]: With dead ends: 6701 [2024-11-23 18:31:18,439 INFO L226 Difference]: Without dead ends: 3598 [2024-11-23 18:31:18,454 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 [2024-11-23 18:31:18,456 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 [2024-11-23 18:31:18,456 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] [2024-11-23 18:31:18,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2024-11-23 18:31:18,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3598. [2024-11-23 18:31:18,862 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) [2024-11-23 18:31:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 5083 transitions. [2024-11-23 18:31:18,893 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 5083 transitions. Word has length 296 [2024-11-23 18:31:18,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:18,894 INFO L471 AbstractCegarLoop]: Abstraction has 3598 states and 5083 transitions. [2024-11-23 18:31:18,894 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) [2024-11-23 18:31:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5083 transitions. [2024-11-23 18:31:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-23 18:31:18,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:18,903 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] [2024-11-23 18:31:18,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 18:31:18,904 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:18,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:18,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1651861441, now seen corresponding path program 1 times [2024-11-23 18:31:18,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:18,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139008440] [2024-11-23 18:31:18,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:18,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:31:25,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:25,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139008440] [2024-11-23 18:31:25,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139008440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:25,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:25,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:25,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426557562] [2024-11-23 18:31:25,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:25,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:25,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:25,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:25,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:25,612 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) [2024-11-23 18:31:26,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:26,345 INFO L93 Difference]: Finished difference Result 6919 states and 9847 transitions. [2024-11-23 18:31:26,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:26,345 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 [2024-11-23 18:31:26,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:26,375 INFO L225 Difference]: With dead ends: 6919 [2024-11-23 18:31:26,375 INFO L226 Difference]: Without dead ends: 3815 [2024-11-23 18:31:26,390 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 [2024-11-23 18:31:26,390 INFO L435 NwaCegarLoop]: 3367 mSDtfsCounter, 246 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 6658 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:26,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 6658 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:26,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2024-11-23 18:31:26,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3808. [2024-11-23 18:31:26,807 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) [2024-11-23 18:31:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5414 transitions. [2024-11-23 18:31:26,838 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5414 transitions. Word has length 297 [2024-11-23 18:31:26,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:26,838 INFO L471 AbstractCegarLoop]: Abstraction has 3808 states and 5414 transitions. [2024-11-23 18:31:26,838 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) [2024-11-23 18:31:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5414 transitions. [2024-11-23 18:31:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-23 18:31:26,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:26,848 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] [2024-11-23 18:31:26,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 18:31:26,848 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:26,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:26,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1299627997, now seen corresponding path program 1 times [2024-11-23 18:31:26,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:26,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366017358] [2024-11-23 18:31:26,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:26,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:31:33,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:33,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366017358] [2024-11-23 18:31:33,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366017358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:33,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:33,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:33,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198442019] [2024-11-23 18:31:33,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:33,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:33,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:33,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:33,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:33,301 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) [2024-11-23 18:31:33,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:33,945 INFO L93 Difference]: Finished difference Result 7345 states and 10518 transitions. [2024-11-23 18:31:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:33,945 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 [2024-11-23 18:31:33,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:33,966 INFO L225 Difference]: With dead ends: 7345 [2024-11-23 18:31:33,966 INFO L226 Difference]: Without dead ends: 4031 [2024-11-23 18:31:33,977 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 [2024-11-23 18:31:33,978 INFO L435 NwaCegarLoop]: 3557 mSDtfsCounter, 255 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-23 18:31:33,978 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] [2024-11-23 18:31:33,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2024-11-23 18:31:34,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 4023. [2024-11-23 18:31:34,538 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) [2024-11-23 18:31:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5750 transitions. [2024-11-23 18:31:34,566 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5750 transitions. Word has length 300 [2024-11-23 18:31:34,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:34,566 INFO L471 AbstractCegarLoop]: Abstraction has 4023 states and 5750 transitions. [2024-11-23 18:31:34,566 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) [2024-11-23 18:31:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5750 transitions. [2024-11-23 18:31:34,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-23 18:31:34,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:34,576 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] [2024-11-23 18:31:34,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 18:31:34,577 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:34,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:34,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2097041021, now seen corresponding path program 1 times [2024-11-23 18:31:34,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:34,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777720172] [2024-11-23 18:31:34,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:31:40,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:40,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777720172] [2024-11-23 18:31:40,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777720172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:40,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:40,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:40,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026967959] [2024-11-23 18:31:40,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:40,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:40,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:40,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:40,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:40,649 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) [2024-11-23 18:31:41,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:41,330 INFO L93 Difference]: Finished difference Result 7655 states and 10991 transitions. [2024-11-23 18:31:41,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:41,331 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 [2024-11-23 18:31:41,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:41,354 INFO L225 Difference]: With dead ends: 7655 [2024-11-23 18:31:41,354 INFO L226 Difference]: Without dead ends: 4126 [2024-11-23 18:31:41,365 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 [2024-11-23 18:31:41,366 INFO L435 NwaCegarLoop]: 3422 mSDtfsCounter, 254 mSDsluCounter, 3303 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:41,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 6725 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:41,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-11-23 18:31:41,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4069. [2024-11-23 18:31:41,782 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) [2024-11-23 18:31:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 4069 states and 5819 transitions. [2024-11-23 18:31:41,818 INFO L78 Accepts]: Start accepts. Automaton has 4069 states and 5819 transitions. Word has length 301 [2024-11-23 18:31:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:41,818 INFO L471 AbstractCegarLoop]: Abstraction has 4069 states and 5819 transitions. [2024-11-23 18:31:41,819 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) [2024-11-23 18:31:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 5819 transitions. [2024-11-23 18:31:41,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-23 18:31:41,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:41,830 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] [2024-11-23 18:31:41,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 18:31:41,831 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:41,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:41,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1749637715, now seen corresponding path program 1 times [2024-11-23 18:31:41,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:41,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732676216] [2024-11-23 18:31:41,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:41,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:31:47,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:47,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732676216] [2024-11-23 18:31:47,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732676216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:47,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:47,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:47,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235046169] [2024-11-23 18:31:47,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:47,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:47,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:47,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:47,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:47,727 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) [2024-11-23 18:31:48,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:48,367 INFO L93 Difference]: Finished difference Result 7701 states and 11059 transitions. [2024-11-23 18:31:48,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:48,367 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 [2024-11-23 18:31:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:48,391 INFO L225 Difference]: With dead ends: 7701 [2024-11-23 18:31:48,391 INFO L226 Difference]: Without dead ends: 4126 [2024-11-23 18:31:48,402 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 [2024-11-23 18:31:48,403 INFO L435 NwaCegarLoop]: 3532 mSDtfsCounter, 251 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 6848 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:48,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 6848 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-11-23 18:31:48,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4023. [2024-11-23 18:31:48,676 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) [2024-11-23 18:31:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5750 transitions. [2024-11-23 18:31:48,700 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5750 transitions. Word has length 304 [2024-11-23 18:31:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:48,701 INFO L471 AbstractCegarLoop]: Abstraction has 4023 states and 5750 transitions. [2024-11-23 18:31:48,701 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) [2024-11-23 18:31:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5750 transitions. [2024-11-23 18:31:48,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-23 18:31:48,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:48,708 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] [2024-11-23 18:31:48,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 18:31:48,708 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:48,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash -668436214, now seen corresponding path program 1 times [2024-11-23 18:31:48,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:48,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542601783] [2024-11-23 18:31:48,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:31:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542601783] [2024-11-23 18:31:55,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542601783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:55,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:55,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:55,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716298675] [2024-11-23 18:31:55,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:55,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:55,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:55,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:55,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:55,783 INFO L87 Difference]: Start difference. First operand 4023 states and 5750 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 18:31:56,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:56,412 INFO L93 Difference]: Finished difference Result 7553 states and 10841 transitions. [2024-11-23 18:31:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:56,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 305 [2024-11-23 18:31:56,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:56,437 INFO L225 Difference]: With dead ends: 7553 [2024-11-23 18:31:56,437 INFO L226 Difference]: Without dead ends: 4024 [2024-11-23 18:31:56,455 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 [2024-11-23 18:31:56,455 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 [2024-11-23 18:31:56,456 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] [2024-11-23 18:31:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4024 states. [2024-11-23 18:31:56,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4024 to 4024. [2024-11-23 18:31:56,769 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) [2024-11-23 18:31:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 4024 states and 5751 transitions. [2024-11-23 18:31:56,793 INFO L78 Accepts]: Start accepts. Automaton has 4024 states and 5751 transitions. Word has length 305 [2024-11-23 18:31:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:56,793 INFO L471 AbstractCegarLoop]: Abstraction has 4024 states and 5751 transitions. [2024-11-23 18:31:56,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 18:31:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 5751 transitions. [2024-11-23 18:31:56,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-23 18:31:56,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:56,800 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] [2024-11-23 18:31:56,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 18:31:56,801 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:56,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1691476556, now seen corresponding path program 1 times [2024-11-23 18:31:56,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:56,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389469256] [2024-11-23 18:31:56,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:56,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:32:03,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389469256] [2024-11-23 18:32:03,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389469256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:03,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:03,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:32:03,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620091319] [2024-11-23 18:32:03,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:03,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:03,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:03,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:03,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:03,556 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) [2024-11-23 18:32:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:04,124 INFO L93 Difference]: Finished difference Result 7555 states and 10843 transitions. [2024-11-23 18:32:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:04,125 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 [2024-11-23 18:32:04,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:04,147 INFO L225 Difference]: With dead ends: 7555 [2024-11-23 18:32:04,147 INFO L226 Difference]: Without dead ends: 4025 [2024-11-23 18:32:04,158 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 [2024-11-23 18:32:04,158 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 [2024-11-23 18:32:04,159 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] [2024-11-23 18:32:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4025 states. [2024-11-23 18:32:04,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 4025. [2024-11-23 18:32:04,417 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) [2024-11-23 18:32:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 4025 states and 5752 transitions. [2024-11-23 18:32:04,441 INFO L78 Accepts]: Start accepts. Automaton has 4025 states and 5752 transitions. Word has length 303 [2024-11-23 18:32:04,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:04,442 INFO L471 AbstractCegarLoop]: Abstraction has 4025 states and 5752 transitions. [2024-11-23 18:32:04,442 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) [2024-11-23 18:32:04,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4025 states and 5752 transitions. [2024-11-23 18:32:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-23 18:32:04,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:04,448 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] [2024-11-23 18:32:04,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 18:32:04,448 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:04,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:04,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1308562759, now seen corresponding path program 1 times [2024-11-23 18:32:04,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:04,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832031520] [2024-11-23 18:32:04,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:04,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:32:11,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:11,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832031520] [2024-11-23 18:32:11,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832031520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:11,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:11,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:32:11,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345784204] [2024-11-23 18:32:11,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:11,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:32:11,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:11,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:32:11,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:32:11,381 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) [2024-11-23 18:32:13,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:13,372 INFO L93 Difference]: Finished difference Result 7627 states and 10945 transitions. [2024-11-23 18:32:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:32:13,372 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 [2024-11-23 18:32:13,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:13,396 INFO L225 Difference]: With dead ends: 7627 [2024-11-23 18:32:13,397 INFO L226 Difference]: Without dead ends: 4096 [2024-11-23 18:32:13,408 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 [2024-11-23 18:32:13,409 INFO L435 NwaCegarLoop]: 3342 mSDtfsCounter, 65 mSDsluCounter, 6602 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2024-11-23 18:32:13,409 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] [2024-11-23 18:32:13,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2024-11-23 18:32:13,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 4031. [2024-11-23 18:32:13,655 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) [2024-11-23 18:32:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 4031 states and 5760 transitions. [2024-11-23 18:32:13,680 INFO L78 Accepts]: Start accepts. Automaton has 4031 states and 5760 transitions. Word has length 305 [2024-11-23 18:32:13,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:13,681 INFO L471 AbstractCegarLoop]: Abstraction has 4031 states and 5760 transitions. [2024-11-23 18:32:13,681 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) [2024-11-23 18:32:13,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4031 states and 5760 transitions. [2024-11-23 18:32:13,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-23 18:32:13,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:13,692 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] [2024-11-23 18:32:13,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 18:32:13,692 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:13,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:13,693 INFO L85 PathProgramCache]: Analyzing trace with hash 498034293, now seen corresponding path program 1 times [2024-11-23 18:32:13,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:13,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938945164] [2024-11-23 18:32:13,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:13,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:32:20,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:20,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938945164] [2024-11-23 18:32:20,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938945164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:20,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:20,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:32:20,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699838677] [2024-11-23 18:32:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:20,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:32:20,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:20,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:32:20,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:32:20,674 INFO L87 Difference]: Start difference. First operand 4031 states and 5760 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) [2024-11-23 18:32:21,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:21,409 INFO L93 Difference]: Finished difference Result 7570 states and 10862 transitions. [2024-11-23 18:32:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:32:21,410 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 [2024-11-23 18:32:21,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:21,433 INFO L225 Difference]: With dead ends: 7570 [2024-11-23 18:32:21,433 INFO L226 Difference]: Without dead ends: 4033 [2024-11-23 18:32:21,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:32:21,445 INFO L435 NwaCegarLoop]: 3309 mSDtfsCounter, 0 mSDsluCounter, 6604 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9913 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:21,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9913 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:32:21,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2024-11-23 18:32:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4032. [2024-11-23 18:32:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4032 states, 2958 states have (on average 1.3208248816768087) internal successors, (3907), 3036 states have internal predecessors, (3907), 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) [2024-11-23 18:32:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 4032 states and 5761 transitions. [2024-11-23 18:32:21,792 INFO L78 Accepts]: Start accepts. Automaton has 4032 states and 5761 transitions. Word has length 306 [2024-11-23 18:32:21,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:21,792 INFO L471 AbstractCegarLoop]: Abstraction has 4032 states and 5761 transitions. [2024-11-23 18:32:21,793 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) [2024-11-23 18:32:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 5761 transitions. [2024-11-23 18:32:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-23 18:32:21,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:21,801 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] [2024-11-23 18:32:21,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 18:32:21,801 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:21,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:21,802 INFO L85 PathProgramCache]: Analyzing trace with hash -85017052, now seen corresponding path program 1 times [2024-11-23 18:32:21,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:21,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663127669] [2024-11-23 18:32:21,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:32:29,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:29,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663127669] [2024-11-23 18:32:29,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663127669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:29,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:29,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:32:29,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836065537] [2024-11-23 18:32:29,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:29,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:32:29,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:29,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:32:29,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:32:29,266 INFO L87 Difference]: Start difference. First operand 4032 states and 5761 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) [2024-11-23 18:32:30,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:30,113 INFO L93 Difference]: Finished difference Result 7574 states and 10880 transitions. [2024-11-23 18:32:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:32:30,114 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 [2024-11-23 18:32:30,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:30,151 INFO L225 Difference]: With dead ends: 7574 [2024-11-23 18:32:30,151 INFO L226 Difference]: Without dead ends: 3899 [2024-11-23 18:32:30,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:32:30,170 INFO L435 NwaCegarLoop]: 3307 mSDtfsCounter, 8 mSDsluCounter, 13212 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16519 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 [2024-11-23 18:32:30,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16519 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:32:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3899 states. [2024-11-23 18:32:30,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3899 to 3899. [2024-11-23 18:32:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3899 states, 2865 states have (on average 1.324607329842932) internal successors, (3795), 2937 states have internal predecessors, (3795), 882 states have call successors, (882), 164 states have call predecessors, (882), 151 states have return successors, (891), 842 states have call predecessors, (891), 882 states have call successors, (891) [2024-11-23 18:32:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 5568 transitions. [2024-11-23 18:32:30,482 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 5568 transitions. Word has length 307 [2024-11-23 18:32:30,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:30,483 INFO L471 AbstractCegarLoop]: Abstraction has 3899 states and 5568 transitions. [2024-11-23 18:32:30,483 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) [2024-11-23 18:32:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 5568 transitions. [2024-11-23 18:32:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-23 18:32:30,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:30,492 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] [2024-11-23 18:32:30,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 18:32:30,492 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:30,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash -129732714, now seen corresponding path program 1 times [2024-11-23 18:32:30,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:30,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076742606] [2024-11-23 18:32:30,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:30,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:32:39,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:39,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076742606] [2024-11-23 18:32:39,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076742606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:39,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:39,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:32:39,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515512443] [2024-11-23 18:32:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:39,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:32:39,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:39,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:32:39,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:32:39,768 INFO L87 Difference]: Start difference. First operand 3899 states and 5568 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) [2024-11-23 18:32:41,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:41,030 INFO L93 Difference]: Finished difference Result 7339 states and 10528 transitions. [2024-11-23 18:32:41,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:32:41,031 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 [2024-11-23 18:32:41,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:41,059 INFO L225 Difference]: With dead ends: 7339 [2024-11-23 18:32:41,059 INFO L226 Difference]: Without dead ends: 3901 [2024-11-23 18:32:41,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:32:41,077 INFO L435 NwaCegarLoop]: 3186 mSDtfsCounter, 19 mSDsluCounter, 6348 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 9534 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:41,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 9534 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 18:32:41,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2024-11-23 18:32:41,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3896. [2024-11-23 18:32:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 2862 states have (on average 1.3242487770789657) internal successors, (3790), 2934 states have internal predecessors, (3790), 882 states have call successors, (882), 164 states have call predecessors, (882), 151 states have return successors, (891), 842 states have call predecessors, (891), 882 states have call successors, (891) [2024-11-23 18:32:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5563 transitions. [2024-11-23 18:32:41,491 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5563 transitions. Word has length 303 [2024-11-23 18:32:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:41,492 INFO L471 AbstractCegarLoop]: Abstraction has 3896 states and 5563 transitions. [2024-11-23 18:32:41,492 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) [2024-11-23 18:32:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5563 transitions. [2024-11-23 18:32:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-23 18:32:41,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:41,499 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] [2024-11-23 18:32:41,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 18:32:41,500 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:41,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1339206579, now seen corresponding path program 1 times [2024-11-23 18:32:41,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:41,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791396766] [2024-11-23 18:32:41,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:41,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-23 18:32:49,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:49,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791396766] [2024-11-23 18:32:49,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791396766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:49,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:49,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:32:49,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117326446] [2024-11-23 18:32:49,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:49,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:32:49,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:49,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:32:49,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:32:49,637 INFO L87 Difference]: Start difference. First operand 3896 states and 5563 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) [2024-11-23 18:32:50,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:50,212 INFO L93 Difference]: Finished difference Result 7335 states and 10518 transitions. [2024-11-23 18:32:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:32:50,213 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 [2024-11-23 18:32:50,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:50,241 INFO L225 Difference]: With dead ends: 7335 [2024-11-23 18:32:50,241 INFO L226 Difference]: Without dead ends: 3900 [2024-11-23 18:32:50,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:32:50,253 INFO L435 NwaCegarLoop]: 3201 mSDtfsCounter, 4 mSDsluCounter, 9591 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12792 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:50,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12792 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:32:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2024-11-23 18:32:50,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3900. [2024-11-23 18:32:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3900 states, 2865 states have (on average 1.3239092495637) internal successors, (3793), 2937 states have internal predecessors, (3793), 882 states have call successors, (882), 165 states have call predecessors, (882), 152 states have return successors, (891), 842 states have call predecessors, (891), 882 states have call successors, (891) [2024-11-23 18:32:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 5566 transitions. [2024-11-23 18:32:50,548 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 5566 transitions. Word has length 305 [2024-11-23 18:32:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:50,549 INFO L471 AbstractCegarLoop]: Abstraction has 3900 states and 5566 transitions. [2024-11-23 18:32:50,549 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) [2024-11-23 18:32:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 5566 transitions. [2024-11-23 18:32:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-23 18:32:50,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:50,560 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] [2024-11-23 18:32:50,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-23 18:32:50,561 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:50,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:50,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1937817564, now seen corresponding path program 1 times [2024-11-23 18:32:50,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:50,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230097071] [2024-11-23 18:32:50,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:50,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-11-23 18:32:57,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:57,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230097071] [2024-11-23 18:32:57,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230097071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:57,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:57,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:32:57,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713235908] [2024-11-23 18:32:57,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:57,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:32:57,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:57,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:32:57,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:32:57,441 INFO L87 Difference]: Start difference. First operand 3900 states and 5566 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-11-23 18:32:58,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:58,074 INFO L93 Difference]: Finished difference Result 10793 states and 15393 transitions. [2024-11-23 18:32:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:32:58,075 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 [2024-11-23 18:32:58,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:58,136 INFO L225 Difference]: With dead ends: 10793 [2024-11-23 18:32:58,137 INFO L226 Difference]: Without dead ends: 6911 [2024-11-23 18:32:58,158 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 [2024-11-23 18:32:58,158 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 [2024-11-23 18:32:58,159 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] [2024-11-23 18:32:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6911 states. [2024-11-23 18:32:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 6909. [2024-11-23 18:32:58,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6909 states, 5027 states have (on average 1.3204694648895963) internal successors, (6638), 5157 states have internal predecessors, (6638), 1596 states have call successors, (1596), 311 states have call predecessors, (1596), 285 states have return successors, (1614), 1520 states have call predecessors, (1614), 1596 states have call successors, (1614) [2024-11-23 18:32:58,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6909 states to 6909 states and 9848 transitions. [2024-11-23 18:32:58,777 INFO L78 Accepts]: Start accepts. Automaton has 6909 states and 9848 transitions. Word has length 399 [2024-11-23 18:32:58,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:58,777 INFO L471 AbstractCegarLoop]: Abstraction has 6909 states and 9848 transitions. [2024-11-23 18:32:58,777 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) [2024-11-23 18:32:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 6909 states and 9848 transitions. [2024-11-23 18:32:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-23 18:32:58,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:58,805 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] [2024-11-23 18:32:58,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-23 18:32:58,805 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:58,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:58,806 INFO L85 PathProgramCache]: Analyzing trace with hash 174990412, now seen corresponding path program 1 times [2024-11-23 18:32:58,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:58,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840464069] [2024-11-23 18:32:58,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:58,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-23 18:33:05,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:05,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840464069] [2024-11-23 18:33:05,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840464069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:05,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:05,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:33:05,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074980974] [2024-11-23 18:33:05,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:05,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:33:05,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:05,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:33:05,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:33:05,085 INFO L87 Difference]: Start difference. First operand 6909 states and 9848 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-23 18:33:05,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:05,852 INFO L93 Difference]: Finished difference Result 10809 states and 15419 transitions. [2024-11-23 18:33:05,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:33:05,852 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 [2024-11-23 18:33:05,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:05,890 INFO L225 Difference]: With dead ends: 10809 [2024-11-23 18:33:05,890 INFO L226 Difference]: Without dead ends: 6927 [2024-11-23 18:33:05,902 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 [2024-11-23 18:33:05,902 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 [2024-11-23 18:33:05,903 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] [2024-11-23 18:33:05,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6927 states. [2024-11-23 18:33:06,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6927 to 6924. [2024-11-23 18:33:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6924 states, 5042 states have (on average 1.32011106703689) internal successors, (6656), 5172 states have internal predecessors, (6656), 1596 states have call successors, (1596), 311 states have call predecessors, (1596), 285 states have return successors, (1614), 1520 states have call predecessors, (1614), 1596 states have call successors, (1614) [2024-11-23 18:33:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6924 states to 6924 states and 9866 transitions. [2024-11-23 18:33:06,392 INFO L78 Accepts]: Start accepts. Automaton has 6924 states and 9866 transitions. Word has length 404 [2024-11-23 18:33:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:06,393 INFO L471 AbstractCegarLoop]: Abstraction has 6924 states and 9866 transitions. [2024-11-23 18:33:06,393 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) [2024-11-23 18:33:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 6924 states and 9866 transitions. [2024-11-23 18:33:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-23 18:33:06,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:06,422 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] [2024-11-23 18:33:06,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-23 18:33:06,422 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:06,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:06,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1427836281, now seen corresponding path program 1 times [2024-11-23 18:33:06,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:06,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228311948] [2024-11-23 18:33:06,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-23 18:33:13,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:13,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228311948] [2024-11-23 18:33:13,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228311948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:33:13,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544564636] [2024-11-23 18:33:13,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:13,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:33:13,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:13,549 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:33:13,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:33:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:23,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 5155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:33:23,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-23 18:33:26,460 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:33:26,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544564636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:26,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:33:26,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 18:33:26,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243419394] [2024-11-23 18:33:26,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:26,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:33:26,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:26,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:33:26,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:33:26,463 INFO L87 Difference]: Start difference. First operand 6924 states and 9866 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-23 18:33:27,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:27,098 INFO L93 Difference]: Finished difference Result 12426 states and 17805 transitions. [2024-11-23 18:33:27,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:33:27,099 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 [2024-11-23 18:33:27,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:27,123 INFO L225 Difference]: With dead ends: 12426 [2024-11-23 18:33:27,124 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:33:27,159 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 [2024-11-23 18:33:27,159 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 [2024-11-23 18:33:27,160 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] [2024-11-23 18:33:27,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:33:27,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:33:27,160 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) [2024-11-23 18:33:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:33:27,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-11-23 18:33:27,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:27,176 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:33:27,177 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) [2024-11-23 18:33:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:33:27,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:33:27,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:33:27,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:27,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683ea52-2aac-44a3-921b-7d4008cf4157/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-23 18:33:27,383 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:27,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.