./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/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 e3c5bb623a83045f271ee2f2fbc0fe6e2561895946c0785bc11775798976bcf2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:52:14,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:52:14,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 22:52:14,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:52:14,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:52:14,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:52:14,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:52:14,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:52:14,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:52:14,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:52:14,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:52:14,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:52:14,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:52:14,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:52:14,926 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:52:14,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:52:14,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:52:14,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:52:14,928 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:52:14,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:52:14,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:52:14,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:52:14,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:14,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:52:14,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:52:14,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:52:14,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:52:14,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:14,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:52:14,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:52:14,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:52:14,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:52:14,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:52:14,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:52:14,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:52:14,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:52:14,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:52:14,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:52:14,931 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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/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 -> e3c5bb623a83045f271ee2f2fbc0fe6e2561895946c0785bc11775798976bcf2 [2024-11-23 22:52:15,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:52:15,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:52:15,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:52:15,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:52:15,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:52:15,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2024-11-23 22:52:18,349 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/data/862b2e912/b31798788cc940d2b8b58cfa3e6484a6/FLAG5816e94c9 [2024-11-23 22:52:19,179 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:52:19,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2024-11-23 22:52:19,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/data/862b2e912/b31798788cc940d2b8b58cfa3e6484a6/FLAG5816e94c9 [2024-11-23 22:52:19,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/data/862b2e912/b31798788cc940d2b8b58cfa3e6484a6 [2024-11-23 22:52:19,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:52:19,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:52:19,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:52:19,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:52:19,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:52:19,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:52:19" (1/1) ... [2024-11-23 22:52:19,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b65ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:19, skipping insertion in model container [2024-11-23 22:52:19,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:52:19" (1/1) ... [2024-11-23 22:52:19,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:52:22,903 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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2024-11-23 22:52:22,907 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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2024-11-23 22:52:22,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:52:22,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:52:23,172 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"); [6268] [2024-11-23 22:52:23,174 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)); [6275] [2024-11-23 22:52:23,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6282] [2024-11-23 22:52:23,178 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; incl %0": "+m" (v->counter)); [6335] [2024-11-23 22:52:23,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6342] [2024-11-23 22:52:23,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6391] [2024-11-23 22:52:23,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6394] [2024-11-23 22:52:23,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6397] [2024-11-23 22:52:23,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6400] [2024-11-23 22:52:23,201 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/net/cfg80211.h"), "i" (3014), "i" (12UL)); [6751-6752] [2024-11-23 22:52:23,203 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/net/cfg80211.h"), "i" (3243), "i" (12UL)); [6771-6772] [2024-11-23 22:52:23,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (319), "i" (12UL)); [6949-6950] [2024-11-23 22:52:23,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (320), "i" (12UL)); [6961-6962] [2024-11-23 22:52:23,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (750), "i" (12UL)); [7608-7609] [2024-11-23 22:52:23,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (879), "i" (12UL)); [7806-7807] [2024-11-23 22:52:23,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1369), "i" (12UL)); [8512-8513] [2024-11-23 22:52:23,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1370), "i" (12UL)); [8524-8525] [2024-11-23 22:52:23,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1469), "i" (12UL)); [8691-8692] [2024-11-23 22:52:23,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1470), "i" (12UL)); [8703-8704] [2024-11-23 22:52:23,458 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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2024-11-23 22:52:23,459 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_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2024-11-23 22:52:23,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:52:23,775 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:52:23,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23 WrapperNode [2024-11-23 22:52:23,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:52:23,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:52:23,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:52:23,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:52:23,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:23,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:24,080 INFO L138 Inliner]: procedures = 421, calls = 1893, calls flagged for inlining = 207, calls inlined = 181, statements flattened = 4412 [2024-11-23 22:52:24,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:52:24,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:52:24,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:52:24,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:52:24,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:24,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:24,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,197 INFO L175 MemorySlicer]: Split 700 memory accesses to 10 slices as follows [2, 555, 2, 1, 5, 12, 60, 7, 3, 53]. 79 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [0, 2, 2, 1, 0, 2, 0, 0, 0, 0]. The 480 writes are split as follows [0, 364, 0, 0, 1, 4, 60, 6, 1, 44]. [2024-11-23 22:52:25,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:52:25,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:52:25,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:52:25,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:52:25,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (1/1) ... [2024-11-23 22:52:25,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:25,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:25,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:52:25,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c5081b-b8bd-4d84-848b-5c7e3fadc989/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:52:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure build_crc [2024-11-23 22:52:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure build_crc [2024-11-23 22:52:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_set_multicast_list [2024-11-23 22:52:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_set_multicast_list [2024-11-23 22:52:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 22:52:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 22:52:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-11-23 22:52:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-11-23 22:52:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 22:52:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 22:52:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irqsave [2024-11-23 22:52:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irqsave [2024-11-23 22:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-23 22:52:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-23 22:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 22:52:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 22:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure free_orinocodev [2024-11-23 22:52:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure free_orinocodev [2024-11-23 22:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 22:52:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 22:52:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 22:52:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_8051_cpucs [2024-11-23 22:52:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_8051_cpucs [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 22:52:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_unlock [2024-11-23 22:52:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_unlock [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_open [2024-11-23 22:52:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_open [2024-11-23 22:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-23 22:52:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-23 22:52:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irqrestore [2024-11-23 22:52:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irqrestore [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_disconnect [2024-11-23 22:52:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_disconnect [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-23 22:52:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-23 22:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 22:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 22:52:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-23 22:52:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 22:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 22:52:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 22:52:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 22:52:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_init [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_init [2024-11-23 22:52:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-23 22:52:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-23 22:52:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-23 22:52:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_hard_reset [2024-11-23 22:52:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_hard_reset [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-23 22:52:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-23 22:52:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 22:52:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 22:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 22:52:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-23 22:52:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-23 22:52:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-23 22:52:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-23 22:52:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-23 22:52:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-23 22:52:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_request_context_put [2024-11-23 22:52:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_request_context_put [2024-11-23 22:52:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-23 22:52:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-23 22:52:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-23 22:52:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-23 22:52:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_submit_in_urb [2024-11-23 22:52:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_submit_in_urb [2024-11-23 22:52:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-23 22:52:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-23 22:52:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-23 22:52:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-23 22:52:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irq [2024-11-23 22:52:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irq [2024-11-23 22:52:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:52:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ndev_priv [2024-11-23 22:52:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ndev_priv [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-23 22:52:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 22:52:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 22:52:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 22:52:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 22:52:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 22:52:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 22:52:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 22:52:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 22:52:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-23 22:52:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irq [2024-11-23 22:52:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irq [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-23 22:52:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2024-11-23 22:52:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 22:52:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2024-11-23 22:52:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2024-11-23 22:52:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 22:52:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_tx_timeout [2024-11-23 22:52:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_tx_timeout [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 22:52:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_program_end [2024-11-23 22:52:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_program_end [2024-11-23 22:52:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-23 22:52:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-23 22:52:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 22:52:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 22:52:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 22:52:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 22:52:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2024-11-23 22:52:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2024-11-23 22:52:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_stop [2024-11-23 22:52:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_stop [2024-11-23 22:52:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_access_ltv [2024-11-23 22:52:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_access_ltv [2024-11-23 22:52:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-23 22:52:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-23 22:52:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_write_ltv [2024-11-23 22:52:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_write_ltv [2024-11-23 22:52:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_mod_timer [2024-11-23 22:52:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_mod_timer [2024-11-23 22:52:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-23 22:52:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-23 22:52:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-23 22:52:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-23 22:52:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-23 22:52:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-23 22:52:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_req_queue_run [2024-11-23 22:52:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_req_queue_run [2024-11-23 22:52:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 22:52:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2024-11-23 22:52:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_ctx_complete [2024-11-23 22:52:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_ctx_complete [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_delete [2024-11-23 22:52:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_delete [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_alloc_ctx [2024-11-23 22:52:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_alloc_ctx [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 22:52:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 22:52:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-23 22:52:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_reply_inc [2024-11-23 22:52:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_reply_inc [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2024-11-23 22:52:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_docmd_wait [2024-11-23 22:52:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_docmd_wait [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 22:52:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2024-11-23 22:52:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 22:52:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-23 22:52:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-23 22:52:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_complete_all [2024-11-23 22:52:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_complete_all [2024-11-23 22:52:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 22:52:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 22:52:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2024-11-23 22:52:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2024-11-23 22:52:26,702 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:52:26,708 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:52:26,792 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 22:52:40,213 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-23 22:52:41,781 INFO L? ?]: Removed 1872 outVars from TransFormulas that were not future-live. [2024-11-23 22:52:41,781 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:52:41,853 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:52:41,853 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 22:52:41,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:52:41 BoogieIcfgContainer [2024-11-23 22:52:41,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:52:41,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:52:41,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:52:41,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:52:41,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:52:19" (1/3) ... [2024-11-23 22:52:41,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5fcb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:52:41, skipping insertion in model container [2024-11-23 22:52:41,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:23" (2/3) ... [2024-11-23 22:52:41,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5fcb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:52:41, skipping insertion in model container [2024-11-23 22:52:41,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:52:41" (3/3) ... [2024-11-23 22:52:41,873 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2024-11-23 22:52:41,892 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:52:41,895 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i that has 93 procedures, 1643 locations, 1 initial locations, 21 loop locations, and 1 error locations. [2024-11-23 22:52:42,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:52:42,054 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;@76217412, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:52:42,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:52:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 1596 states, 1103 states have (on average 1.2901178603807797) internal successors, (1423), 1116 states have internal predecessors, (1423), 410 states have call successors, (410), 83 states have call predecessors, (410), 82 states have return successors, (403), 399 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-23 22:52:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-23 22:52:42,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:42,105 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:42,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:52:42,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:42,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1890777637, now seen corresponding path program 1 times [2024-11-23 22:52:42,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:42,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484377595] [2024-11-23 22:52:42,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:42,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-23 22:53:57,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:57,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484377595] [2024-11-23 22:53:57,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484377595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:57,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:57,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:53:57,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446663348] [2024-11-23 22:53:57,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:57,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:57,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:57,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:57,513 INFO L87 Difference]: Start difference. First operand has 1596 states, 1103 states have (on average 1.2901178603807797) internal successors, (1423), 1116 states have internal predecessors, (1423), 410 states have call successors, (410), 83 states have call predecessors, (410), 82 states have return successors, (403), 399 states have call predecessors, (403), 403 states have call successors, (403) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-23 22:54:01,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:54:03,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:03,098 INFO L93 Difference]: Finished difference Result 4476 states and 6374 transitions. [2024-11-23 22:54:03,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:54:03,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 203 [2024-11-23 22:54:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:03,151 INFO L225 Difference]: With dead ends: 4476 [2024-11-23 22:54:03,151 INFO L226 Difference]: Without dead ends: 2836 [2024-11-23 22:54:03,176 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 22:54:03,181 INFO L435 NwaCegarLoop]: 2468 mSDtfsCounter, 1824 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 4611 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:03,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 4611 Invalid, 77 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 22:54:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2836 states. [2024-11-23 22:54:03,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2836 to 2832. [2024-11-23 22:54:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 1984 states have (on average 1.2721774193548387) internal successors, (2524), 2010 states have internal predecessors, (2524), 689 states have call successors, (689), 158 states have call predecessors, (689), 158 states have return successors, (689), 679 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-23 22:54:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3902 transitions. [2024-11-23 22:54:03,525 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3902 transitions. Word has length 203 [2024-11-23 22:54:03,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:03,529 INFO L471 AbstractCegarLoop]: Abstraction has 2832 states and 3902 transitions. [2024-11-23 22:54:03,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-23 22:54:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3902 transitions. [2024-11-23 22:54:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-23 22:54:03,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:03,540 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:03,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:54:03,541 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:03,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:03,542 INFO L85 PathProgramCache]: Analyzing trace with hash 95274199, now seen corresponding path program 1 times [2024-11-23 22:54:03,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:03,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098002478] [2024-11-23 22:54:03,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:03,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:55:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:55:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-23 22:55:11,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:55:11,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098002478] [2024-11-23 22:55:11,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098002478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:55:11,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:55:11,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:55:11,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265748741] [2024-11-23 22:55:11,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:55:11,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:55:11,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:55:11,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:55:11,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:55:11,324 INFO L87 Difference]: Start difference. First operand 2832 states and 3902 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-23 22:55:15,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:55:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:55:16,692 INFO L93 Difference]: Finished difference Result 7515 states and 10323 transitions. [2024-11-23 22:55:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:55:16,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 209 [2024-11-23 22:55:16,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:55:16,728 INFO L225 Difference]: With dead ends: 7515 [2024-11-23 22:55:16,728 INFO L226 Difference]: Without dead ends: 4718 [2024-11-23 22:55:16,741 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 22:55:16,742 INFO L435 NwaCegarLoop]: 2459 mSDtfsCounter, 1491 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:55:16,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 4556 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 22:55:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4718 states. [2024-11-23 22:55:16,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4718 to 4712. [2024-11-23 22:55:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4712 states, 3322 states have (on average 1.2709211318482843) internal successors, (4222), 3372 states have internal predecessors, (4222), 1110 states have call successors, (1110), 279 states have call predecessors, (1110), 279 states have return successors, (1110), 1086 states have call predecessors, (1110), 1110 states have call successors, (1110) [2024-11-23 22:55:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4712 states to 4712 states and 6442 transitions. [2024-11-23 22:55:17,013 INFO L78 Accepts]: Start accepts. Automaton has 4712 states and 6442 transitions. Word has length 209 [2024-11-23 22:55:17,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:55:17,014 INFO L471 AbstractCegarLoop]: Abstraction has 4712 states and 6442 transitions. [2024-11-23 22:55:17,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-23 22:55:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4712 states and 6442 transitions. [2024-11-23 22:55:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-23 22:55:17,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:55:17,025 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:55:17,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:55:17,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:55:17,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:55:17,026 INFO L85 PathProgramCache]: Analyzing trace with hash -513540731, now seen corresponding path program 1 times [2024-11-23 22:55:17,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:55:17,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569355812] [2024-11-23 22:55:17,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:55:17,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-11-23 22:56:23,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:23,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569355812] [2024-11-23 22:56:23,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569355812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:23,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:23,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:23,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516167101] [2024-11-23 22:56:23,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:23,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:23,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:23,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:23,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:23,180 INFO L87 Difference]: Start difference. First operand 4712 states and 6442 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 22:56:27,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:56:28,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:28,398 INFO L93 Difference]: Finished difference Result 11393 states and 15535 transitions. [2024-11-23 22:56:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:28,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2024-11-23 22:56:28,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:28,450 INFO L225 Difference]: With dead ends: 11393 [2024-11-23 22:56:28,451 INFO L226 Difference]: Without dead ends: 6716 [2024-11-23 22:56:28,473 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 22:56:28,474 INFO L435 NwaCegarLoop]: 2157 mSDtfsCounter, 1724 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 4240 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:28,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1724 Valid, 4240 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 22:56:28,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6716 states. [2024-11-23 22:56:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6716 to 6714. [2024-11-23 22:56:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6714 states, 4736 states have (on average 1.2685810810810811) internal successors, (6008), 4809 states have internal predecessors, (6008), 1561 states have call successors, (1561), 416 states have call predecessors, (1561), 416 states have return successors, (1561), 1527 states have call predecessors, (1561), 1561 states have call successors, (1561) [2024-11-23 22:56:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6714 states to 6714 states and 9130 transitions. [2024-11-23 22:56:28,844 INFO L78 Accepts]: Start accepts. Automaton has 6714 states and 9130 transitions. Word has length 225 [2024-11-23 22:56:28,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:28,846 INFO L471 AbstractCegarLoop]: Abstraction has 6714 states and 9130 transitions. [2024-11-23 22:56:28,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 22:56:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 6714 states and 9130 transitions. [2024-11-23 22:56:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-23 22:56:28,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:28,855 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2024-11-23 22:56:28,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:56:28,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:28,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:28,857 INFO L85 PathProgramCache]: Analyzing trace with hash -561869945, now seen corresponding path program 1 times [2024-11-23 22:56:28,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:28,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362001940] [2024-11-23 22:56:28,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:28,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-11-23 22:57:32,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:32,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362001940] [2024-11-23 22:57:32,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362001940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:32,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:32,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:57:32,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459114833] [2024-11-23 22:57:32,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:32,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:57:32,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:32,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:57:32,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:32,296 INFO L87 Difference]: Start difference. First operand 6714 states and 9130 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 22:57:36,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:57:37,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:57:37,344 INFO L93 Difference]: Finished difference Result 16842 states and 22902 transitions. [2024-11-23 22:57:37,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:57:37,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 232 [2024-11-23 22:57:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:57:37,420 INFO L225 Difference]: With dead ends: 16842 [2024-11-23 22:57:37,420 INFO L226 Difference]: Without dead ends: 10163 [2024-11-23 22:57:37,452 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 22:57:37,454 INFO L435 NwaCegarLoop]: 3786 mSDtfsCounter, 2064 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 5913 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:57:37,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 5913 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-23 22:57:37,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10163 states. [2024-11-23 22:57:37,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10163 to 10157. [2024-11-23 22:57:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10157 states, 7172 states have (on average 1.2679866146123815) internal successors, (9094), 7281 states have internal predecessors, (9094), 2354 states have call successors, (2354), 630 states have call predecessors, (2354), 630 states have return successors, (2354), 2302 states have call predecessors, (2354), 2354 states have call successors, (2354) [2024-11-23 22:57:37,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 13802 transitions. [2024-11-23 22:57:37,999 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 13802 transitions. Word has length 232 [2024-11-23 22:57:38,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:57:38,002 INFO L471 AbstractCegarLoop]: Abstraction has 10157 states and 13802 transitions. [2024-11-23 22:57:38,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 22:57:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 13802 transitions. [2024-11-23 22:57:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-23 22:57:38,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:57:38,013 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 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] [2024-11-23 22:57:38,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:57:38,014 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:57:38,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:38,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1225185048, now seen corresponding path program 1 times [2024-11-23 22:57:38,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:38,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695236343] [2024-11-23 22:57:38,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:38,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:58:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:58:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2024-11-23 22:58:40,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:58:40,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695236343] [2024-11-23 22:58:40,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695236343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:58:40,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:58:40,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:58:40,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606880748] [2024-11-23 22:58:40,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:58:40,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:58:40,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:58:40,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:58:40,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:58:40,562 INFO L87 Difference]: Start difference. First operand 10157 states and 13802 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 22:58:44,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:58:45,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:58:45,923 INFO L93 Difference]: Finished difference Result 28513 states and 38828 transitions. [2024-11-23 22:58:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:58:45,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2024-11-23 22:58:45,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:58:46,062 INFO L225 Difference]: With dead ends: 28513 [2024-11-23 22:58:46,062 INFO L226 Difference]: Without dead ends: 19117 [2024-11-23 22:58:46,106 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 22:58:46,108 INFO L435 NwaCegarLoop]: 4143 mSDtfsCounter, 2016 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 6253 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-23 22:58:46,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2016 Valid, 6253 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-23 22:58:46,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19117 states. [2024-11-23 22:58:46,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19117 to 19115. [2024-11-23 22:58:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19115 states, 13502 states have (on average 1.2694415642127093) internal successors, (17140), 13699 states have internal predecessors, (17140), 4428 states have call successors, (4428), 1184 states have call predecessors, (4428), 1184 states have return successors, (4428), 4340 states have call predecessors, (4428), 4428 states have call successors, (4428) [2024-11-23 22:58:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19115 states to 19115 states and 25996 transitions. [2024-11-23 22:58:46,999 INFO L78 Accepts]: Start accepts. Automaton has 19115 states and 25996 transitions. Word has length 284 [2024-11-23 22:58:47,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:58:47,000 INFO L471 AbstractCegarLoop]: Abstraction has 19115 states and 25996 transitions. [2024-11-23 22:58:47,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 22:58:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 19115 states and 25996 transitions. [2024-11-23 22:58:47,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-23 22:58:47,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:58:47,013 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 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] [2024-11-23 22:58:47,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:58:47,014 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:58:47,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:58:47,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1808864998, now seen corresponding path program 1 times [2024-11-23 22:58:47,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:58:47,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697659847] [2024-11-23 22:58:47,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:58:47,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:59:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:59:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2024-11-23 22:59:49,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:59:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697659847] [2024-11-23 22:59:49,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697659847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:59:49,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:59:49,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:59:49,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097486311] [2024-11-23 22:59:49,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:59:49,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:59:49,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:59:49,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:59:49,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:59:49,043 INFO L87 Difference]: Start difference. First operand 19115 states and 25996 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 22:59:53,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:59:54,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:59:54,729 INFO L93 Difference]: Finished difference Result 46437 states and 63224 transitions. [2024-11-23 22:59:54,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:59:54,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2024-11-23 22:59:54,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:59:54,903 INFO L225 Difference]: With dead ends: 46437 [2024-11-23 22:59:54,903 INFO L226 Difference]: Without dead ends: 28011 [2024-11-23 22:59:54,977 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 22:59:54,978 INFO L435 NwaCegarLoop]: 4154 mSDtfsCounter, 2011 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 6269 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:59:54,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 6269 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 22:59:55,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28011 states. [2024-11-23 22:59:56,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28011 to 28009. [2024-11-23 22:59:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28009 states, 19768 states have (on average 1.2704370700121408) internal successors, (25114), 20053 states have internal predecessors, (25114), 6502 states have call successors, (6502), 1738 states have call predecessors, (6502), 1738 states have return successors, (6502), 6378 states have call predecessors, (6502), 6502 states have call successors, (6502) [2024-11-23 22:59:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28009 states to 28009 states and 38118 transitions. [2024-11-23 22:59:56,361 INFO L78 Accepts]: Start accepts. Automaton has 28009 states and 38118 transitions. Word has length 284 [2024-11-23 22:59:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:59:56,361 INFO L471 AbstractCegarLoop]: Abstraction has 28009 states and 38118 transitions. [2024-11-23 22:59:56,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 22:59:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 28009 states and 38118 transitions. [2024-11-23 22:59:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-23 22:59:56,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:59:56,373 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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] [2024-11-23 22:59:56,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:59:56,373 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:59:56,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:59:56,374 INFO L85 PathProgramCache]: Analyzing trace with hash 204663231, now seen corresponding path program 1 times [2024-11-23 22:59:56,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:59:56,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162516870] [2024-11-23 22:59:56,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:59:56,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:01:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-23 23:01:00,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:01:00,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162516870] [2024-11-23 23:01:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162516870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:01:00,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:01:00,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:01:00,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295445095] [2024-11-23 23:01:00,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:01:00,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:01:00,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:01:00,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:01:00,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:01:00,885 INFO L87 Difference]: Start difference. First operand 28009 states and 38118 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-23 23:01:05,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:01:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:01:07,081 INFO L93 Difference]: Finished difference Result 75199 states and 102413 transitions. [2024-11-23 23:01:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:01:07,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 295 [2024-11-23 23:01:07,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:01:07,363 INFO L225 Difference]: With dead ends: 75199 [2024-11-23 23:01:07,363 INFO L226 Difference]: Without dead ends: 47146 [2024-11-23 23:01:07,474 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 23:01:07,475 INFO L435 NwaCegarLoop]: 2179 mSDtfsCounter, 1825 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 4269 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:01:07,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 4269 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 23:01:07,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47146 states. [2024-11-23 23:01:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47146 to 47128. [2024-11-23 23:01:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47128 states, 33138 states have (on average 1.2665519946888768) internal successors, (41971), 33617 states have internal predecessors, (41971), 11065 states have call successors, (11065), 2926 states have call predecessors, (11065), 2924 states have return successors, (11061), 10848 states have call predecessors, (11061), 11061 states have call successors, (11061) [2024-11-23 23:01:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47128 states to 47128 states and 64097 transitions. [2024-11-23 23:01:09,480 INFO L78 Accepts]: Start accepts. Automaton has 47128 states and 64097 transitions. Word has length 295 [2024-11-23 23:01:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:01:09,481 INFO L471 AbstractCegarLoop]: Abstraction has 47128 states and 64097 transitions. [2024-11-23 23:01:09,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-23 23:01:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 47128 states and 64097 transitions. [2024-11-23 23:01:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-23 23:01:09,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:01:09,489 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:01:09,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:01:09,490 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:01:09,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:01:09,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1227155314, now seen corresponding path program 1 times [2024-11-23 23:01:09,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:01:09,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787833289] [2024-11-23 23:01:09,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2024-11-23 23:02:14,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:14,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787833289] [2024-11-23 23:02:14,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787833289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:14,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:14,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:14,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392237880] [2024-11-23 23:02:14,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:14,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:14,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:14,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:14,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:14,447 INFO L87 Difference]: Start difference. First operand 47128 states and 64097 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 23:02:18,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:20,988 INFO L93 Difference]: Finished difference Result 117748 states and 159935 transitions. [2024-11-23 23:02:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:20,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 299 [2024-11-23 23:02:20,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:21,417 INFO L225 Difference]: With dead ends: 117748 [2024-11-23 23:02:21,417 INFO L226 Difference]: Without dead ends: 70693 [2024-11-23 23:02:21,625 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 23:02:21,627 INFO L435 NwaCegarLoop]: 3546 mSDtfsCounter, 1935 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:21,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 5375 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 23:02:21,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70693 states. [2024-11-23 23:02:24,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70693 to 70668. [2024-11-23 23:02:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70668 states, 49580 states have (on average 1.2621016538926986) internal successors, (62575), 50340 states have internal predecessors, (62575), 16534 states have call successors, (16534), 4556 states have call predecessors, (16534), 4553 states have return successors, (16530), 16190 states have call predecessors, (16530), 16530 states have call successors, (16530) [2024-11-23 23:02:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70668 states to 70668 states and 95639 transitions. [2024-11-23 23:02:24,663 INFO L78 Accepts]: Start accepts. Automaton has 70668 states and 95639 transitions. Word has length 299 [2024-11-23 23:02:24,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:24,665 INFO L471 AbstractCegarLoop]: Abstraction has 70668 states and 95639 transitions. [2024-11-23 23:02:24,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 23:02:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 70668 states and 95639 transitions. [2024-11-23 23:02:24,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-23 23:02:24,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:24,674 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 23:02:24,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:02:24,674 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:24,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:24,676 INFO L85 PathProgramCache]: Analyzing trace with hash 656864471, now seen corresponding path program 1 times [2024-11-23 23:02:24,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:24,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521356265] [2024-11-23 23:02:24,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:24,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:03:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:03:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2024-11-23 23:03:31,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:03:31,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521356265] [2024-11-23 23:03:31,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521356265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:03:31,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:03:31,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:03:31,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220268210] [2024-11-23 23:03:31,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:03:31,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:03:31,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:03:31,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:03:31,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:03:31,853 INFO L87 Difference]: Start difference. First operand 70668 states and 95639 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-23 23:03:35,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:03:38,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:38,647 INFO L93 Difference]: Finished difference Result 164329 states and 222423 transitions. [2024-11-23 23:03:38,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:03:38,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 310 [2024-11-23 23:03:38,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:39,174 INFO L225 Difference]: With dead ends: 164329 [2024-11-23 23:03:39,174 INFO L226 Difference]: Without dead ends: 93579 [2024-11-23 23:03:39,446 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 23:03:39,449 INFO L435 NwaCegarLoop]: 3998 mSDtfsCounter, 2009 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 6113 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:39,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 6113 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-23 23:03:39,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93579 states. [2024-11-23 23:03:41,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93579 to 70668. [2024-11-23 23:03:41,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70668 states, 49580 states have (on average 1.2620814844695443) internal successors, (62574), 50340 states have internal predecessors, (62574), 16534 states have call successors, (16534), 4556 states have call predecessors, (16534), 4553 states have return successors, (16530), 16190 states have call predecessors, (16530), 16530 states have call successors, (16530) [2024-11-23 23:03:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70668 states to 70668 states and 95638 transitions. [2024-11-23 23:03:42,281 INFO L78 Accepts]: Start accepts. Automaton has 70668 states and 95638 transitions. Word has length 310 [2024-11-23 23:03:42,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:42,282 INFO L471 AbstractCegarLoop]: Abstraction has 70668 states and 95638 transitions. [2024-11-23 23:03:42,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-23 23:03:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 70668 states and 95638 transitions. [2024-11-23 23:03:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-23 23:03:42,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:42,290 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 23:03:42,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:03:42,290 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:42,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:42,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1917781721, now seen corresponding path program 1 times [2024-11-23 23:03:42,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:03:42,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868992833] [2024-11-23 23:03:42,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:42,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:04:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2024-11-23 23:04:44,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:04:44,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868992833] [2024-11-23 23:04:44,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868992833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:44,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:44,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:04:44,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637972727] [2024-11-23 23:04:44,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:44,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:04:44,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:04:44,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:04:44,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:04:44,049 INFO L87 Difference]: Start difference. First operand 70668 states and 95638 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-23 23:04:48,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:51,563 INFO L93 Difference]: Finished difference Result 170373 states and 230285 transitions. [2024-11-23 23:04:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:04:51,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 310 [2024-11-23 23:04:51,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:52,162 INFO L225 Difference]: With dead ends: 170373 [2024-11-23 23:04:52,162 INFO L226 Difference]: Without dead ends: 99802 [2024-11-23 23:04:52,398 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 23:04:52,399 INFO L435 NwaCegarLoop]: 3896 mSDtfsCounter, 1754 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 5965 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:52,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 5965 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-23 23:04:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99802 states. [2024-11-23 23:04:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99802 to 99776. [2024-11-23 23:04:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99776 states, 70019 states have (on average 1.2602150844770705) internal successors, (88239), 71151 states have internal predecessors, (88239), 23182 states have call successors, (23182), 6577 states have call predecessors, (23182), 6574 states have return successors, (23178), 22664 states have call predecessors, (23178), 23178 states have call successors, (23178) [2024-11-23 23:04:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99776 states to 99776 states and 134599 transitions. [2024-11-23 23:04:56,298 INFO L78 Accepts]: Start accepts. Automaton has 99776 states and 134599 transitions. Word has length 310 [2024-11-23 23:04:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:56,298 INFO L471 AbstractCegarLoop]: Abstraction has 99776 states and 134599 transitions. [2024-11-23 23:04:56,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-23 23:04:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 99776 states and 134599 transitions. [2024-11-23 23:04:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-23 23:04:56,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:56,306 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-23 23:04:56,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:04:56,307 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:56,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:56,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1452981525, now seen corresponding path program 1 times [2024-11-23 23:04:56,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:04:56,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317116546] [2024-11-23 23:04:56,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:56,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms