./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b2857b013897544ec4f5700c6aee7b2bc1d7f527f0c9f70bc57c7fb16314e33c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:26:06,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:26:06,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:26:06,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:26:06,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:26:06,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:26:06,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:26:06,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:26:06,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:26:06,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:26:06,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:26:06,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:26:06,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:26:06,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:26:06,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:26:06,336 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:26:06,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:26:06,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:26:06,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:26:06,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:26:06,337 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_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2857b013897544ec4f5700c6aee7b2bc1d7f527f0c9f70bc57c7fb16314e33c [2024-11-28 03:26:06,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:26:06,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:26:06,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:26:06,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:26:06,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:26:06,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2024-11-28 03:26:09,604 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/data/da016e952/cdbb4cfd458d4711a10822fb95e9e883/FLAG8303934ae [2024-11-28 03:26:10,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:26:10,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2024-11-28 03:26:10,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/data/da016e952/cdbb4cfd458d4711a10822fb95e9e883/FLAG8303934ae [2024-11-28 03:26:10,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/data/da016e952/cdbb4cfd458d4711a10822fb95e9e883 [2024-11-28 03:26:10,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:26:10,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:26:10,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:26:10,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:26:10,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:26:10,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:10" (1/1) ... [2024-11-28 03:26:10,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381abb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:10, skipping insertion in model container [2024-11-28 03:26:10,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:10" (1/1) ... [2024-11-28 03:26:10,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:26:12,134 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_38ee337e-5cc8-4d07-bf51-08a455226a75/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2024-11-28 03:26:12,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:26:12,256 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:26:12,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3471] [2024-11-28 03:26:12,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3473] [2024-11-28 03:26:12,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3521] [2024-11-28 03:26:12,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3524] [2024-11-28 03:26:12,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3527] [2024-11-28 03:26:12,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3530] [2024-11-28 03:26:12,382 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3566-3567] [2024-11-28 03:26:12,385 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)); [3574] [2024-11-28 03:26:12,385 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; decl %0": "+m" (v->counter)); [3581] [2024-11-28 03:26:12,386 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3589-3590] [2024-11-28 03:26:12,386 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3601-3602] [2024-11-28 03:26:12,387 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3605-3606] [2024-11-28 03:26:12,387 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3609-3610] [2024-11-28 03:26:12,390 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3613-3614] [2024-11-28 03:26:12,392 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [3638-3639] [2024-11-28 03:26:12,392 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [3643-3644] [2024-11-28 03:26:12,393 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [3648-3649] [2024-11-28 03:26:12,395 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; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [3653-3654] [2024-11-28 03:26:12,465 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5828/dscv_tempdir/dscv/ri/08_1a/drivers/vfio/vfio.c"), "i" (572), "i" (12UL)); [4867-4868] [2024-11-28 03:26:12,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)arg), "i" (4UL)); [5849-5850] [2024-11-28 03:26:12,563 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_38ee337e-5cc8-4d07-bf51-08a455226a75/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2024-11-28 03:26:12,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:26:12,654 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: __cmpxchg_wrong_size [2024-11-28 03:26:12,661 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:26:12,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12 WrapperNode [2024-11-28 03:26:12,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:26:12,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:26:12,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:26:12,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:26:12,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:12,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:12,913 INFO L138 Inliner]: procedures = 244, calls = 1675, calls flagged for inlining = 98, calls inlined = 82, statements flattened = 3213 [2024-11-28 03:26:12,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:26:12,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:26:12,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:26:12,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:26:12,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:12,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:12,945 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,635 INFO L175 MemorySlicer]: Split 840 memory accesses to 24 slices as follows [2, 5, 3, 20, 281, 4, 0, 29, 29, 3, 34, 9, 12, 5, 4, 8, 4, 5, 6, 5, 5, 5, 347, 15]. 41 percent of accesses are in the largest equivalence class. The 188 initializations are split as follows [2, 5, 2, 0, 0, 0, 0, 0, 0, 3, 5, 0, 0, 5, 0, 8, 0, 5, 0, 5, 5, 5, 138, 0]. The 425 writes are split as follows [0, 0, 0, 2, 279, 2, 0, 29, 29, 0, 29, 2, 12, 0, 2, 0, 2, 0, 3, 0, 0, 0, 21, 13]. [2024-11-28 03:26:13,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:26:13,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:26:13,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:26:13,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:26:13,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (1/1) ... [2024-11-28 03:26:13,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:26:13,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:13,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:26:13,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:26:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-28 03:26:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-28 03:26:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2024-11-28 03:26:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-28 03:26:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-28 03:26:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2024-11-28 03:26:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:26:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-28 03:26:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:26:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:26:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:26:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:26:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:26:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:26:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 03:26:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 03:26:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 03:26:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 03:26:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 03:26:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-28 03:26:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-28 03:26:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:26:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:26:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:26:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:26:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2024-11-28 03:26:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2024-11-28 03:26:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2024-11-28 03:26:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:26:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2024-11-28 03:26:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:26:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 03:26:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 03:26:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2024-11-28 03:26:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2024-11-28 03:26:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2024-11-28 03:26:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2024-11-28 03:26:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2024-11-28 03:26:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2024-11-28 03:26:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:26:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:26:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:26:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:26:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:26:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:26:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:26:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 03:26:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2024-11-28 03:26:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 03:26:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2024-11-28 03:26:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-28 03:26:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-28 03:26:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:26:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 03:26:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-28 03:26:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-28 03:26:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-28 03:26:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2024-11-28 03:26:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2024-11-28 03:26:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2024-11-28 03:26:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2024-11-28 03:26:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:26:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:26:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-28 03:26:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-28 03:26:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-28 03:26:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-28 03:26:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-11-28 03:26:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-11-28 03:26:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-28 03:26:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-28 03:26:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 03:26:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-28 03:26:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:26:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 03:26:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2024-11-28 03:26:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-28 03:26:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-28 03:26:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:26:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:26:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-28 03:26:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2024-11-28 03:26:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2024-11-28 03:26:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-28 03:26:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-28 03:26:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2024-11-28 03:26:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 03:26:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2024-11-28 03:26:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2024-11-28 03:26:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 03:26:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2024-11-28 03:26:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2024-11-28 03:26:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-28 03:26:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:26:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 03:26:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 03:26:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 03:26:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2024-11-28 03:26:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2024-11-28 03:26:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-28 03:26:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-28 03:26:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:26:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:26:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2024-11-28 03:26:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2024-11-28 03:26:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 03:26:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2024-11-28 03:26:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 03:26:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2024-11-28 03:26:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2024-11-28 03:26:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-28 03:26:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:26:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:26:14,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:26:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 03:26:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2024-11-28 03:26:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2024-11-28 03:26:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2024-11-28 03:26:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2024-11-28 03:26:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:26:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:26:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-28 03:26:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-28 03:26:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:26:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 03:26:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 03:26:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-28 03:26:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-28 03:26:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2024-11-28 03:26:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2024-11-28 03:26:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2024-11-28 03:26:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2024-11-28 03:26:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2024-11-28 03:26:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2024-11-28 03:26:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2024-11-28 03:26:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2024-11-28 03:26:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:26:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:26:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 03:26:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 03:26:14,978 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:26:14,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:26:15,181 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:26:26,418 INFO L? ?]: Removed 1353 outVars from TransFormulas that were not future-live. [2024-11-28 03:26:26,419 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:26:26,452 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:26:26,452 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:26:26,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:26:26 BoogieIcfgContainer [2024-11-28 03:26:26,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:26:26,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:26:26,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:26:26,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:26:26,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:26:10" (1/3) ... [2024-11-28 03:26:26,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785e7910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:26:26, skipping insertion in model container [2024-11-28 03:26:26,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:12" (2/3) ... [2024-11-28 03:26:26,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785e7910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:26:26, skipping insertion in model container [2024-11-28 03:26:26,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:26:26" (3/3) ... [2024-11-28 03:26:26,462 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2024-11-28 03:26:26,477 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:26:26,480 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i that has 91 procedures, 1183 locations, 1 initial locations, 4 loop locations, and 2 error locations. [2024-11-28 03:26:26,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:26:26,590 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;@7dfbe553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:26:26,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 03:26:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 1182 states, 786 states have (on average 1.2913486005089059) internal successors, (1015), 811 states have internal predecessors, (1015), 304 states have call successors, (304), 90 states have call predecessors, (304), 89 states have return successors, (299), 297 states have call predecessors, (299), 299 states have call successors, (299) [2024-11-28 03:26:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-28 03:26:26,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:26,645 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:26,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:26:26,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:26,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1420254324, now seen corresponding path program 1 times [2024-11-28 03:26:26,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:26,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857657228] [2024-11-28 03:26:26,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:26,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-11-28 03:26:39,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:39,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857657228] [2024-11-28 03:26:39,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857657228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:26:39,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861910226] [2024-11-28 03:26:39,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:39,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:39,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:39,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:26:39,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:26:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:51,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 6309 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:26:51,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:26:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-28 03:26:52,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:26:52,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861910226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:52,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:26:52,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:26:52,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142804713] [2024-11-28 03:26:52,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:52,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:26:52,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:52,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:26:52,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:26:52,059 INFO L87 Difference]: Start difference. First operand has 1182 states, 786 states have (on average 1.2913486005089059) internal successors, (1015), 811 states have internal predecessors, (1015), 304 states have call successors, (304), 90 states have call predecessors, (304), 89 states have return successors, (299), 297 states have call predecessors, (299), 299 states have call successors, (299) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 03:26:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:52,238 INFO L93 Difference]: Finished difference Result 2358 states and 3334 transitions. [2024-11-28 03:26:52,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:26:52,240 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 299 [2024-11-28 03:26:52,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:52,277 INFO L225 Difference]: With dead ends: 2358 [2024-11-28 03:26:52,277 INFO L226 Difference]: Without dead ends: 1169 [2024-11-28 03:26:52,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:26:52,298 INFO L435 NwaCegarLoop]: 1607 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:52,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:26:52,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-28 03:26:52,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2024-11-28 03:26:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 780 states have (on average 1.2769230769230768) internal successors, (996), 798 states have internal predecessors, (996), 299 states have call successors, (299), 89 states have call predecessors, (299), 88 states have return successors, (297), 295 states have call predecessors, (297), 297 states have call successors, (297) [2024-11-28 03:26:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1592 transitions. [2024-11-28 03:26:52,478 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1592 transitions. Word has length 299 [2024-11-28 03:26:52,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:52,478 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1592 transitions. [2024-11-28 03:26:52,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 03:26:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1592 transitions. [2024-11-28 03:26:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-28 03:26:52,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:52,491 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:52,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:26:52,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:52,692 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:26:52,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:52,693 INFO L85 PathProgramCache]: Analyzing trace with hash 430550264, now seen corresponding path program 1 times [2024-11-28 03:26:52,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:52,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374565293] [2024-11-28 03:26:52,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:52,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1230 trivial. 0 not checked. [2024-11-28 03:27:05,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:05,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374565293] [2024-11-28 03:27:05,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374565293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:05,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:05,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:05,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021934862] [2024-11-28 03:27:05,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:05,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:05,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:05,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:05,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:05,348 INFO L87 Difference]: Start difference. First operand 1169 states and 1592 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-28 03:27:05,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:05,636 INFO L93 Difference]: Finished difference Result 2259 states and 3066 transitions. [2024-11-28 03:27:05,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:05,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 299 [2024-11-28 03:27:05,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:05,652 INFO L225 Difference]: With dead ends: 2259 [2024-11-28 03:27:05,652 INFO L226 Difference]: Without dead ends: 1150 [2024-11-28 03:27:05,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:05,659 INFO L435 NwaCegarLoop]: 1558 mSDtfsCounter, 1552 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:05,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 1558 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:27:05,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2024-11-28 03:27:05,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1150. [2024-11-28 03:27:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 765 states have (on average 1.269281045751634) internal successors, (971), 783 states have internal predecessors, (971), 295 states have call successors, (295), 89 states have call predecessors, (295), 88 states have return successors, (293), 291 states have call predecessors, (293), 293 states have call successors, (293) [2024-11-28 03:27:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1559 transitions. [2024-11-28 03:27:05,740 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1559 transitions. Word has length 299 [2024-11-28 03:27:05,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:05,743 INFO L471 AbstractCegarLoop]: Abstraction has 1150 states and 1559 transitions. [2024-11-28 03:27:05,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-28 03:27:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1559 transitions. [2024-11-28 03:27:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-28 03:27:05,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:05,758 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:05,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:27:05,758 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:27:05,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:05,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1851458716, now seen corresponding path program 1 times [2024-11-28 03:27:05,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:05,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976933138] [2024-11-28 03:27:05,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1230 trivial. 0 not checked. [2024-11-28 03:27:17,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:17,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976933138] [2024-11-28 03:27:17,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976933138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:17,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:17,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:17,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334599980] [2024-11-28 03:27:17,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:17,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:17,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:17,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:17,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:17,145 INFO L87 Difference]: Start difference. First operand 1150 states and 1559 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 03:27:17,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:17,751 INFO L93 Difference]: Finished difference Result 3236 states and 4368 transitions. [2024-11-28 03:27:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:17,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 312 [2024-11-28 03:27:17,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:17,770 INFO L225 Difference]: With dead ends: 3236 [2024-11-28 03:27:17,770 INFO L226 Difference]: Without dead ends: 2146 [2024-11-28 03:27:17,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:17,776 INFO L435 NwaCegarLoop]: 1563 mSDtfsCounter, 1427 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 2990 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:17,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 2990 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:27:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2024-11-28 03:27:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2132. [2024-11-28 03:27:17,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1421 states have (on average 1.2737508796622097) internal successors, (1810), 1456 states have internal predecessors, (1810), 537 states have call successors, (537), 173 states have call predecessors, (537), 172 states have return successors, (535), 529 states have call predecessors, (535), 535 states have call successors, (535) [2024-11-28 03:27:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2882 transitions. [2024-11-28 03:27:17,907 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2882 transitions. Word has length 312 [2024-11-28 03:27:17,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:17,908 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 2882 transitions. [2024-11-28 03:27:17,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 03:27:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2882 transitions. [2024-11-28 03:27:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-28 03:27:17,915 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:17,916 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 03:27:17,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:27:17,916 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:27:17,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:17,917 INFO L85 PathProgramCache]: Analyzing trace with hash -13595852, now seen corresponding path program 1 times [2024-11-28 03:27:17,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:17,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314069372] [2024-11-28 03:27:17,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:17,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2024-11-28 03:27:28,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:28,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314069372] [2024-11-28 03:27:28,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314069372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:28,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:28,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:28,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557657537] [2024-11-28 03:27:28,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:28,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:28,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:28,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:28,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:28,940 INFO L87 Difference]: Start difference. First operand 2132 states and 2882 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 03:27:33,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:27:33,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:33,976 INFO L93 Difference]: Finished difference Result 6127 states and 8295 transitions. [2024-11-28 03:27:33,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:33,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 321 [2024-11-28 03:27:33,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:34,011 INFO L225 Difference]: With dead ends: 6127 [2024-11-28 03:27:34,012 INFO L226 Difference]: Without dead ends: 4065 [2024-11-28 03:27:34,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:34,025 INFO L435 NwaCegarLoop]: 1635 mSDtfsCounter, 1433 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:34,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 3103 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 03:27:34,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2024-11-28 03:27:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 4060. [2024-11-28 03:27:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4060 states, 2721 states have (on average 1.2804116133774348) internal successors, (3484), 2784 states have internal predecessors, (3484), 1009 states have call successors, (1009), 329 states have call predecessors, (1009), 328 states have return successors, (1007), 997 states have call predecessors, (1007), 1007 states have call successors, (1007) [2024-11-28 03:27:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 4060 states and 5500 transitions. [2024-11-28 03:27:34,310 INFO L78 Accepts]: Start accepts. Automaton has 4060 states and 5500 transitions. Word has length 321 [2024-11-28 03:27:34,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:34,312 INFO L471 AbstractCegarLoop]: Abstraction has 4060 states and 5500 transitions. [2024-11-28 03:27:34,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 03:27:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 4060 states and 5500 transitions. [2024-11-28 03:27:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-28 03:27:34,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:34,322 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:34,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:27:34,323 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:27:34,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:34,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1262549625, now seen corresponding path program 1 times [2024-11-28 03:27:34,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:34,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438979306] [2024-11-28 03:27:34,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:34,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1230 trivial. 0 not checked. [2024-11-28 03:27:44,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:44,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438979306] [2024-11-28 03:27:44,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438979306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:44,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:44,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:44,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943419759] [2024-11-28 03:27:44,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:44,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:44,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:44,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:44,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:44,917 INFO L87 Difference]: Start difference. First operand 4060 states and 5500 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 03:27:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:45,215 INFO L93 Difference]: Finished difference Result 6136 states and 8285 transitions. [2024-11-28 03:27:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 321 [2024-11-28 03:27:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:45,236 INFO L225 Difference]: With dead ends: 6136 [2024-11-28 03:27:45,236 INFO L226 Difference]: Without dead ends: 2146 [2024-11-28 03:27:45,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:45,254 INFO L435 NwaCegarLoop]: 1494 mSDtfsCounter, 1489 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:45,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 1494 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:27:45,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2024-11-28 03:27:45,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2146. [2024-11-28 03:27:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1440 states have (on average 1.2673611111111112) internal successors, (1825), 1475 states have internal predecessors, (1825), 527 states have call successors, (527), 178 states have call predecessors, (527), 177 states have return successors, (525), 519 states have call predecessors, (525), 525 states have call successors, (525) [2024-11-28 03:27:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2877 transitions. [2024-11-28 03:27:45,395 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2877 transitions. Word has length 321 [2024-11-28 03:27:45,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:45,396 INFO L471 AbstractCegarLoop]: Abstraction has 2146 states and 2877 transitions. [2024-11-28 03:27:45,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 03:27:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2877 transitions. [2024-11-28 03:27:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-28 03:27:45,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:45,402 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2024-11-28 03:27:45,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:27:45,403 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:27:45,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:45,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1906033691, now seen corresponding path program 1 times [2024-11-28 03:27:45,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:45,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563737247] [2024-11-28 03:27:45,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:45,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-11-28 03:27:55,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:55,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563737247] [2024-11-28 03:27:55,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563737247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:55,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:55,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:55,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155140795] [2024-11-28 03:27:55,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:55,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:55,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:55,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:55,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:55,846 INFO L87 Difference]: Start difference. First operand 2146 states and 2877 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-28 03:27:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:56,148 INFO L93 Difference]: Finished difference Result 2156 states and 2885 transitions. [2024-11-28 03:27:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:56,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 353 [2024-11-28 03:27:56,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:56,167 INFO L225 Difference]: With dead ends: 2156 [2024-11-28 03:27:56,167 INFO L226 Difference]: Without dead ends: 2151 [2024-11-28 03:27:56,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:56,170 INFO L435 NwaCegarLoop]: 1498 mSDtfsCounter, 1490 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:56,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 1502 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:27:56,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2024-11-28 03:27:56,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 2146. [2024-11-28 03:27:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1440 states have (on average 1.2659722222222223) internal successors, (1823), 1475 states have internal predecessors, (1823), 527 states have call successors, (527), 178 states have call predecessors, (527), 177 states have return successors, (525), 519 states have call predecessors, (525), 525 states have call successors, (525) [2024-11-28 03:27:56,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2875 transitions. [2024-11-28 03:27:56,308 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2875 transitions. Word has length 353 [2024-11-28 03:27:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:56,309 INFO L471 AbstractCegarLoop]: Abstraction has 2146 states and 2875 transitions. [2024-11-28 03:27:56,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-28 03:27:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2875 transitions. [2024-11-28 03:27:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-28 03:27:56,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:56,315 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2024-11-28 03:27:56,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:27:56,315 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:27:56,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1963291993, now seen corresponding path program 1 times [2024-11-28 03:27:56,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:56,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353691192] [2024-11-28 03:27:56,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:56,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-11-28 03:28:07,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:07,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353691192] [2024-11-28 03:28:07,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353691192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:07,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:07,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:28:07,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724550957] [2024-11-28 03:28:07,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:07,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:28:07,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:07,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:28:07,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:07,323 INFO L87 Difference]: Start difference. First operand 2146 states and 2875 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:28:07,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:07,700 INFO L93 Difference]: Finished difference Result 6287 states and 8586 transitions. [2024-11-28 03:28:07,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:28:07,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 353 [2024-11-28 03:28:07,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:07,735 INFO L225 Difference]: With dead ends: 6287 [2024-11-28 03:28:07,736 INFO L226 Difference]: Without dead ends: 4169 [2024-11-28 03:28:07,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:07,749 INFO L435 NwaCegarLoop]: 1656 mSDtfsCounter, 1410 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 3070 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:07,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1410 Valid, 3070 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:28:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2024-11-28 03:28:08,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 4163. [2024-11-28 03:28:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4163 states, 2804 states have (on average 1.2699714693295292) internal successors, (3561), 2869 states have internal predecessors, (3561), 1013 states have call successors, (1013), 345 states have call predecessors, (1013), 344 states have return successors, (1045), 1000 states have call predecessors, (1045), 1011 states have call successors, (1045) [2024-11-28 03:28:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 5619 transitions. [2024-11-28 03:28:08,120 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 5619 transitions. Word has length 353 [2024-11-28 03:28:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:08,121 INFO L471 AbstractCegarLoop]: Abstraction has 4163 states and 5619 transitions. [2024-11-28 03:28:08,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:28:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 5619 transitions. [2024-11-28 03:28:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-11-28 03:28:08,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:08,134 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:08,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:28:08,134 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:28:08,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:08,135 INFO L85 PathProgramCache]: Analyzing trace with hash -58733469, now seen corresponding path program 1 times [2024-11-28 03:28:08,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:08,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141542209] [2024-11-28 03:28:08,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1532 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-11-28 03:28:20,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:20,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141542209] [2024-11-28 03:28:20,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141542209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:20,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:20,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:28:20,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332455531] [2024-11-28 03:28:20,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:20,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:28:20,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:20,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:28:20,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:20,624 INFO L87 Difference]: Start difference. First operand 4163 states and 5619 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-28 03:28:24,767 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 [] [2024-11-28 03:28:26,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:26,257 INFO L93 Difference]: Finished difference Result 10609 states and 14238 transitions. [2024-11-28 03:28:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:28:26,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 386 [2024-11-28 03:28:26,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:26,320 INFO L225 Difference]: With dead ends: 10609 [2024-11-28 03:28:26,320 INFO L226 Difference]: Without dead ends: 6520 [2024-11-28 03:28:26,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:26,346 INFO L435 NwaCegarLoop]: 1601 mSDtfsCounter, 860 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:26,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2993 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 03:28:26,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6520 states. [2024-11-28 03:28:26,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6520 to 6502. [2024-11-28 03:28:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6502 states, 4347 states have (on average 1.2634000460087416) internal successors, (5492), 4448 states have internal predecessors, (5492), 1569 states have call successors, (1569), 585 states have call predecessors, (1569), 584 states have return successors, (1601), 1545 states have call predecessors, (1601), 1567 states have call successors, (1601) [2024-11-28 03:28:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6502 states to 6502 states and 8662 transitions. [2024-11-28 03:28:26,833 INFO L78 Accepts]: Start accepts. Automaton has 6502 states and 8662 transitions. Word has length 386 [2024-11-28 03:28:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:26,834 INFO L471 AbstractCegarLoop]: Abstraction has 6502 states and 8662 transitions. [2024-11-28 03:28:26,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-28 03:28:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6502 states and 8662 transitions. [2024-11-28 03:28:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-11-28 03:28:26,846 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:26,846 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:26,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:28:26,847 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:28:26,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:26,848 INFO L85 PathProgramCache]: Analyzing trace with hash -807406229, now seen corresponding path program 1 times [2024-11-28 03:28:26,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:26,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029328116] [2024-11-28 03:28:26,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:26,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2024-11-28 03:28:37,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:37,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029328116] [2024-11-28 03:28:37,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029328116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:37,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:37,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:28:37,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363915174] [2024-11-28 03:28:37,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:37,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:28:37,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:37,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:28:37,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:37,865 INFO L87 Difference]: Start difference. First operand 6502 states and 8662 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2024-11-28 03:28:38,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:38,314 INFO L93 Difference]: Finished difference Result 12904 states and 17614 transitions. [2024-11-28 03:28:38,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:28:38,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 391 [2024-11-28 03:28:38,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:38,392 INFO L225 Difference]: With dead ends: 12904 [2024-11-28 03:28:38,392 INFO L226 Difference]: Without dead ends: 6476 [2024-11-28 03:28:38,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:38,425 INFO L435 NwaCegarLoop]: 1487 mSDtfsCounter, 0 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:38,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2969 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:28:38,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6476 states. [2024-11-28 03:28:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6476 to 6476. [2024-11-28 03:28:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6476 states, 4322 states have (on average 1.2593706617306801) internal successors, (5443), 4422 states have internal predecessors, (5443), 1569 states have call successors, (1569), 585 states have call predecessors, (1569), 584 states have return successors, (1601), 1545 states have call predecessors, (1601), 1567 states have call successors, (1601) [2024-11-28 03:28:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6476 states to 6476 states and 8613 transitions. [2024-11-28 03:28:38,968 INFO L78 Accepts]: Start accepts. Automaton has 6476 states and 8613 transitions. Word has length 391 [2024-11-28 03:28:38,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:38,969 INFO L471 AbstractCegarLoop]: Abstraction has 6476 states and 8613 transitions. [2024-11-28 03:28:38,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2024-11-28 03:28:38,969 INFO L276 IsEmpty]: Start isEmpty. Operand 6476 states and 8613 transitions. [2024-11-28 03:28:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2024-11-28 03:28:38,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:38,989 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:38,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:28:38,989 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:28:38,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:38,991 INFO L85 PathProgramCache]: Analyzing trace with hash -630525273, now seen corresponding path program 1 times [2024-11-28 03:28:38,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:38,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170521966] [2024-11-28 03:28:38,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:38,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1533 trivial. 0 not checked. [2024-11-28 03:28:51,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:51,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170521966] [2024-11-28 03:28:51,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170521966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:51,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:51,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:28:51,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154632951] [2024-11-28 03:28:51,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:51,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:28:51,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:51,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:28:51,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:28:51,080 INFO L87 Difference]: Start difference. First operand 6476 states and 8613 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-28 03:28:55,211 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 [] [2024-11-28 03:28:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:56,440 INFO L93 Difference]: Finished difference Result 9906 states and 13143 transitions. [2024-11-28 03:28:56,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:28:56,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 427 [2024-11-28 03:28:56,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:56,469 INFO L225 Difference]: With dead ends: 9906 [2024-11-28 03:28:56,469 INFO L226 Difference]: Without dead ends: 3481 [2024-11-28 03:28:56,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:28:56,492 INFO L435 NwaCegarLoop]: 1492 mSDtfsCounter, 11 mSDsluCounter, 4445 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:56,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 5937 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 03:28:56,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2024-11-28 03:28:56,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3429. [2024-11-28 03:28:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3429 states, 2291 states have (on average 1.2522915757311217) internal successors, (2869), 2342 states have internal predecessors, (2869), 825 states have call successors, (825), 313 states have call predecessors, (825), 312 states have return successors, (840), 813 states have call predecessors, (840), 823 states have call successors, (840) [2024-11-28 03:28:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3429 states and 4534 transitions. [2024-11-28 03:28:56,705 INFO L78 Accepts]: Start accepts. Automaton has 3429 states and 4534 transitions. Word has length 427 [2024-11-28 03:28:56,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:56,706 INFO L471 AbstractCegarLoop]: Abstraction has 3429 states and 4534 transitions. [2024-11-28 03:28:56,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-28 03:28:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3429 states and 4534 transitions. [2024-11-28 03:28:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2024-11-28 03:28:56,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:56,717 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:56,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:28:56,718 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:28:56,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:56,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1376088284, now seen corresponding path program 1 times [2024-11-28 03:28:56,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:56,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177507692] [2024-11-28 03:28:56,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:56,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1895 trivial. 0 not checked. [2024-11-28 03:29:08,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:08,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177507692] [2024-11-28 03:29:08,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177507692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:08,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:08,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:29:08,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030198059] [2024-11-28 03:29:08,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:08,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:08,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:08,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:08,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:08,824 INFO L87 Difference]: Start difference. First operand 3429 states and 4534 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-11-28 03:29:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:09,208 INFO L93 Difference]: Finished difference Result 6779 states and 9163 transitions. [2024-11-28 03:29:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:09,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 497 [2024-11-28 03:29:09,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:09,240 INFO L225 Difference]: With dead ends: 6779 [2024-11-28 03:29:09,240 INFO L226 Difference]: Without dead ends: 3441 [2024-11-28 03:29:09,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:09,255 INFO L435 NwaCegarLoop]: 1489 mSDtfsCounter, 0 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:09,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2969 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:29:09,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2024-11-28 03:29:09,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3441. [2024-11-28 03:29:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3441 states, 2299 states have (on average 1.2514136581122226) internal successors, (2877), 2350 states have internal predecessors, (2877), 829 states have call successors, (829), 313 states have call predecessors, (829), 312 states have return successors, (844), 817 states have call predecessors, (844), 827 states have call successors, (844) [2024-11-28 03:29:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 4550 transitions. [2024-11-28 03:29:09,475 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 4550 transitions. Word has length 497 [2024-11-28 03:29:09,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:09,477 INFO L471 AbstractCegarLoop]: Abstraction has 3441 states and 4550 transitions. [2024-11-28 03:29:09,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-11-28 03:29:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 4550 transitions. [2024-11-28 03:29:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2024-11-28 03:29:09,488 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:09,488 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:29:09,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:29:09,489 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:29:09,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:09,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1053610463, now seen corresponding path program 1 times [2024-11-28 03:29:09,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:09,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049416126] [2024-11-28 03:29:09,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:24,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2059 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 1999 trivial. 0 not checked. [2024-11-28 03:29:24,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:24,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049416126] [2024-11-28 03:29:24,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049416126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:29:24,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736060642] [2024-11-28 03:29:24,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:24,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:24,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:29:24,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:29:24,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:29:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:38,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 7934 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-28 03:29:38,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:29:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2059 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2024-11-28 03:29:41,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:29:41,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736060642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:41,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:29:41,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4] total 16 [2024-11-28 03:29:41,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631515713] [2024-11-28 03:29:41,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:42,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:29:42,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:42,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:29:42,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:29:42,001 INFO L87 Difference]: Start difference. First operand 3441 states and 4550 transitions. Second operand has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (64), 6 states have call predecessors, (64), 3 states have call successors, (64) [2024-11-28 03:29:49,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:49,823 INFO L93 Difference]: Finished difference Result 6871 states and 9291 transitions. [2024-11-28 03:29:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:29:49,823 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (64), 6 states have call predecessors, (64), 3 states have call successors, (64) Word has length 582 [2024-11-28 03:29:49,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:49,851 INFO L225 Difference]: With dead ends: 6871 [2024-11-28 03:29:49,851 INFO L226 Difference]: Without dead ends: 3521 [2024-11-28 03:29:49,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:29:49,865 INFO L435 NwaCegarLoop]: 1452 mSDtfsCounter, 19 mSDsluCounter, 17354 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 18806 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:49,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 18806 Invalid, 556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-28 03:29:49,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2024-11-28 03:29:50,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3473. [2024-11-28 03:29:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3473 states, 2323 states have (on average 1.2488161859664226) internal successors, (2901), 2374 states have internal predecessors, (2901), 833 states have call successors, (833), 313 states have call predecessors, (833), 316 states have return successors, (852), 825 states have call predecessors, (852), 831 states have call successors, (852) [2024-11-28 03:29:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 4586 transitions. [2024-11-28 03:29:50,149 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 4586 transitions. Word has length 582 [2024-11-28 03:29:50,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:50,150 INFO L471 AbstractCegarLoop]: Abstraction has 3473 states and 4586 transitions. [2024-11-28 03:29:50,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (64), 6 states have call predecessors, (64), 3 states have call successors, (64) [2024-11-28 03:29:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 4586 transitions. [2024-11-28 03:29:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-11-28 03:29:50,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:50,160 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:29:50,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:29:50,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 03:29:50,361 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:29:50,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:50,361 INFO L85 PathProgramCache]: Analyzing trace with hash -529793649, now seen corresponding path program 1 times [2024-11-28 03:29:50,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:50,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337286577] [2024-11-28 03:29:50,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 1835 trivial. 0 not checked. [2024-11-28 03:30:03,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:03,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337286577] [2024-11-28 03:30:03,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337286577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:03,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267788374] [2024-11-28 03:30:03,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:03,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:03,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:03,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:03,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:30:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:18,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 7533 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:30:18,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1893 trivial. 0 not checked. [2024-11-28 03:30:19,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:19,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267788374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:19,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:30:19,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2024-11-28 03:30:19,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626747708] [2024-11-28 03:30:19,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:19,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:30:19,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:19,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:30:19,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:30:19,297 INFO L87 Difference]: Start difference. First operand 3473 states and 4586 transitions. Second operand has 8 states, 8 states have (on average 18.625) internal successors, (149), 7 states have internal predecessors, (149), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:30:22,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:22,514 INFO L93 Difference]: Finished difference Result 6867 states and 9263 transitions. [2024-11-28 03:30:22,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:30:22,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 7 states have internal predecessors, (149), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 502 [2024-11-28 03:30:22,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:22,546 INFO L225 Difference]: With dead ends: 6867 [2024-11-28 03:30:22,547 INFO L226 Difference]: Without dead ends: 3485 [2024-11-28 03:30:22,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:30:22,562 INFO L435 NwaCegarLoop]: 1453 mSDtfsCounter, 0 mSDsluCounter, 8678 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10131 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:22,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10131 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-28 03:30:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2024-11-28 03:30:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2024-11-28 03:30:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 2335 states have (on average 1.2475374732334048) internal successors, (2913), 2386 states have internal predecessors, (2913), 833 states have call successors, (833), 313 states have call predecessors, (833), 316 states have return successors, (852), 825 states have call predecessors, (852), 831 states have call successors, (852) [2024-11-28 03:30:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 4598 transitions. [2024-11-28 03:30:22,771 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 4598 transitions. Word has length 502 [2024-11-28 03:30:22,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:22,772 INFO L471 AbstractCegarLoop]: Abstraction has 3485 states and 4598 transitions. [2024-11-28 03:30:22,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 7 states have internal predecessors, (149), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:30:22,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 4598 transitions. [2024-11-28 03:30:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2024-11-28 03:30:22,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:22,786 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:22,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:30:22,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:22,987 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:30:22,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash 252999538, now seen corresponding path program 1 times [2024-11-28 03:30:22,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:22,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170616855] [2024-11-28 03:30:22,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:22,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1846 trivial. 0 not checked. [2024-11-28 03:30:36,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:36,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170616855] [2024-11-28 03:30:36,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170616855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:36,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684736965] [2024-11-28 03:30:36,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:36,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:36,412 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:36,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:30:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:50,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 7887 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:30:50,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-28 03:30:52,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:52,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684736965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:52,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:30:52,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2024-11-28 03:30:52,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531306912] [2024-11-28 03:30:52,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:52,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:30:52,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:52,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:30:52,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:30:52,419 INFO L87 Difference]: Start difference. First operand 3485 states and 4598 transitions. Second operand has 8 states, 8 states have (on average 20.125) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:30:53,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:53,190 INFO L93 Difference]: Finished difference Result 6884 states and 9126 transitions. [2024-11-28 03:30:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:30:53,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 521 [2024-11-28 03:30:53,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:53,219 INFO L225 Difference]: With dead ends: 6884 [2024-11-28 03:30:53,219 INFO L226 Difference]: Without dead ends: 3490 [2024-11-28 03:30:53,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:30:53,233 INFO L435 NwaCegarLoop]: 1481 mSDtfsCounter, 0 mSDsluCounter, 8870 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10351 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:53,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10351 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:30:53,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3490 states. [2024-11-28 03:30:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3490 to 3490. [2024-11-28 03:30:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2339 states have (on average 1.2466866182129115) internal successors, (2916), 2390 states have internal predecessors, (2916), 833 states have call successors, (833), 313 states have call predecessors, (833), 317 states have return successors, (854), 826 states have call predecessors, (854), 831 states have call successors, (854) [2024-11-28 03:30:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 4603 transitions. [2024-11-28 03:30:53,428 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 4603 transitions. Word has length 521 [2024-11-28 03:30:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:53,429 INFO L471 AbstractCegarLoop]: Abstraction has 3490 states and 4603 transitions. [2024-11-28 03:30:53,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:30:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 4603 transitions. [2024-11-28 03:30:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2024-11-28 03:30:53,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:53,440 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:53,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:30:53,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:53,641 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:30:53,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:53,642 INFO L85 PathProgramCache]: Analyzing trace with hash -141367248, now seen corresponding path program 1 times [2024-11-28 03:30:53,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:53,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746653381] [2024-11-28 03:30:53,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:53,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1908 trivial. 0 not checked. [2024-11-28 03:31:04,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:04,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746653381] [2024-11-28 03:31:04,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746653381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:31:04,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008464576] [2024-11-28 03:31:04,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:04,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:04,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:04,687 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:31:04,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:31:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:18,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 7888 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:31:18,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:31:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-28 03:31:18,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:31:18,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008464576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:18,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:31:18,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:31:18,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630820742] [2024-11-28 03:31:18,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:18,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:18,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:18,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:18,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:31:18,949 INFO L87 Difference]: Start difference. First operand 3490 states and 4603 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:31:19,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:19,157 INFO L93 Difference]: Finished difference Result 6885 states and 9120 transitions. [2024-11-28 03:31:19,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:19,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 521 [2024-11-28 03:31:19,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:19,183 INFO L225 Difference]: With dead ends: 6885 [2024-11-28 03:31:19,183 INFO L226 Difference]: Without dead ends: 3486 [2024-11-28 03:31:19,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:31:19,195 INFO L435 NwaCegarLoop]: 1487 mSDtfsCounter, 0 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:19,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2970 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:31:19,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2024-11-28 03:31:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3486. [2024-11-28 03:31:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3486 states, 2337 states have (on average 1.2460419341035516) internal successors, (2912), 2388 states have internal predecessors, (2912), 831 states have call successors, (831), 313 states have call predecessors, (831), 317 states have return successors, (851), 824 states have call predecessors, (851), 829 states have call successors, (851) [2024-11-28 03:31:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4594 transitions. [2024-11-28 03:31:19,384 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4594 transitions. Word has length 521 [2024-11-28 03:31:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:19,385 INFO L471 AbstractCegarLoop]: Abstraction has 3486 states and 4594 transitions. [2024-11-28 03:31:19,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:31:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4594 transitions. [2024-11-28 03:31:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2024-11-28 03:31:19,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:19,399 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:19,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:31:19,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:19,600 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:31:19,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:19,601 INFO L85 PathProgramCache]: Analyzing trace with hash -773571504, now seen corresponding path program 1 times [2024-11-28 03:31:19,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:19,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739940055] [2024-11-28 03:31:19,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:19,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2170 trivial. 0 not checked. [2024-11-28 03:31:30,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:30,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739940055] [2024-11-28 03:31:30,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739940055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:31:30,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046752483] [2024-11-28 03:31:30,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:30,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:30,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:30,271 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:31:30,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:31:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:44,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 8108 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:31:44,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:31:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2024-11-28 03:31:44,870 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:31:44,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046752483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:44,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:31:44,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-28 03:31:44,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114515481] [2024-11-28 03:31:44,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:44,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:44,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:44,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:44,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:44,873 INFO L87 Difference]: Start difference. First operand 3486 states and 4594 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-11-28 03:31:45,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:45,038 INFO L93 Difference]: Finished difference Result 6881 states and 9283 transitions. [2024-11-28 03:31:45,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:45,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 621 [2024-11-28 03:31:45,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:45,066 INFO L225 Difference]: With dead ends: 6881 [2024-11-28 03:31:45,066 INFO L226 Difference]: Without dead ends: 3486 [2024-11-28 03:31:45,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 622 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:45,079 INFO L435 NwaCegarLoop]: 1484 mSDtfsCounter, 0 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:45,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2966 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:31:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2024-11-28 03:31:45,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3486. [2024-11-28 03:31:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3486 states, 2337 states have (on average 1.2426187419768935) internal successors, (2904), 2388 states have internal predecessors, (2904), 831 states have call successors, (831), 313 states have call predecessors, (831), 317 states have return successors, (851), 824 states have call predecessors, (851), 829 states have call successors, (851) [2024-11-28 03:31:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3486 states and 4586 transitions. [2024-11-28 03:31:45,261 INFO L78 Accepts]: Start accepts. Automaton has 3486 states and 4586 transitions. Word has length 621 [2024-11-28 03:31:45,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:45,262 INFO L471 AbstractCegarLoop]: Abstraction has 3486 states and 4586 transitions. [2024-11-28 03:31:45,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-11-28 03:31:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4586 transitions. [2024-11-28 03:31:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-11-28 03:31:45,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:45,273 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:45,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:31:45,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:45,474 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:31:45,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:45,475 INFO L85 PathProgramCache]: Analyzing trace with hash 59395039, now seen corresponding path program 1 times [2024-11-28 03:31:45,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:45,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585165233] [2024-11-28 03:31:45,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2024-11-28 03:31:55,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:55,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585165233] [2024-11-28 03:31:55,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585165233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:55,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:55,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:31:55,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11518052] [2024-11-28 03:31:55,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:55,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:55,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:55,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:55,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:55,796 INFO L87 Difference]: Start difference. First operand 3486 states and 4586 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:31:56,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:56,031 INFO L93 Difference]: Finished difference Result 6883 states and 9097 transitions. [2024-11-28 03:31:56,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:56,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 527 [2024-11-28 03:31:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:56,061 INFO L225 Difference]: With dead ends: 6883 [2024-11-28 03:31:56,062 INFO L226 Difference]: Without dead ends: 3488 [2024-11-28 03:31:56,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:56,076 INFO L435 NwaCegarLoop]: 1485 mSDtfsCounter, 0 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:56,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2966 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:31:56,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3488 states. [2024-11-28 03:31:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3488 to 3488. [2024-11-28 03:31:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3488 states, 2339 states have (on average 1.2424112868747328) internal successors, (2906), 2390 states have internal predecessors, (2906), 831 states have call successors, (831), 313 states have call predecessors, (831), 317 states have return successors, (851), 824 states have call predecessors, (851), 829 states have call successors, (851) [2024-11-28 03:31:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 3488 states and 4588 transitions. [2024-11-28 03:31:56,367 INFO L78 Accepts]: Start accepts. Automaton has 3488 states and 4588 transitions. Word has length 527 [2024-11-28 03:31:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:56,368 INFO L471 AbstractCegarLoop]: Abstraction has 3488 states and 4588 transitions. [2024-11-28 03:31:56,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 03:31:56,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3488 states and 4588 transitions. [2024-11-28 03:31:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-11-28 03:31:56,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:56,377 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:56,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:31:56,378 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:31:56,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:56,378 INFO L85 PathProgramCache]: Analyzing trace with hash 503295713, now seen corresponding path program 1 times [2024-11-28 03:31:56,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:56,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741855614] [2024-11-28 03:31:56,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:56,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1908 trivial. 0 not checked. [2024-11-28 03:32:07,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:07,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741855614] [2024-11-28 03:32:07,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741855614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:32:07,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883315461] [2024-11-28 03:32:07,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:07,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:07,703 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:32:07,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:32:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:22,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 7910 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:32:22,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:32:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-28 03:32:22,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:32:22,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883315461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:22,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:32:22,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:32:22,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955225756] [2024-11-28 03:32:22,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:22,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:32:22,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:22,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:32:22,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:32:22,861 INFO L87 Difference]: Start difference. First operand 3488 states and 4588 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-28 03:32:23,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:23,034 INFO L93 Difference]: Finished difference Result 6887 states and 9101 transitions. [2024-11-28 03:32:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:32:23,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 527 [2024-11-28 03:32:23,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:23,058 INFO L225 Difference]: With dead ends: 6887 [2024-11-28 03:32:23,059 INFO L226 Difference]: Without dead ends: 3490 [2024-11-28 03:32:23,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:32:23,072 INFO L435 NwaCegarLoop]: 1485 mSDtfsCounter, 0 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:32:23,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2966 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:32:23,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3490 states. [2024-11-28 03:32:23,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3490 to 3490. [2024-11-28 03:32:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2341 states have (on average 1.2422041862451945) internal successors, (2908), 2392 states have internal predecessors, (2908), 831 states have call successors, (831), 313 states have call predecessors, (831), 317 states have return successors, (851), 824 states have call predecessors, (851), 829 states have call successors, (851) [2024-11-28 03:32:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 4590 transitions. [2024-11-28 03:32:23,254 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 4590 transitions. Word has length 527 [2024-11-28 03:32:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:23,255 INFO L471 AbstractCegarLoop]: Abstraction has 3490 states and 4590 transitions. [2024-11-28 03:32:23,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-28 03:32:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 4590 transitions. [2024-11-28 03:32:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-11-28 03:32:23,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:23,265 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:23,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:32:23,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:23,466 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:32:23,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:23,466 INFO L85 PathProgramCache]: Analyzing trace with hash -156235809, now seen corresponding path program 1 times [2024-11-28 03:32:23,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:23,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379207714] [2024-11-28 03:32:23,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:23,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1846 trivial. 0 not checked. [2024-11-28 03:32:35,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:35,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379207714] [2024-11-28 03:32:35,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379207714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:32:35,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697195611] [2024-11-28 03:32:35,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:35,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:35,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:35,694 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:32:35,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:32:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:50,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 7909 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:32:50,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:32:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-28 03:32:51,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:32:51,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697195611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:51,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:32:51,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-28 03:32:51,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73534702] [2024-11-28 03:32:51,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:51,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:32:51,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:51,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:32:51,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:32:51,702 INFO L87 Difference]: Start difference. First operand 3490 states and 4590 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 6 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-28 03:32:52,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:52,174 INFO L93 Difference]: Finished difference Result 6860 states and 9053 transitions. [2024-11-28 03:32:52,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:32:52,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 6 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 527 [2024-11-28 03:32:52,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:52,206 INFO L225 Difference]: With dead ends: 6860 [2024-11-28 03:32:52,206 INFO L226 Difference]: Without dead ends: 3461 [2024-11-28 03:32:52,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:32:52,219 INFO L435 NwaCegarLoop]: 1481 mSDtfsCounter, 0 mSDsluCounter, 7395 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8876 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:32:52,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8876 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:32:52,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3461 states. [2024-11-28 03:32:52,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3461 to 3461. [2024-11-28 03:32:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3461 states, 2322 states have (on average 1.2407407407407407) internal successors, (2881), 2371 states have internal predecessors, (2881), 821 states have call successors, (821), 313 states have call predecessors, (821), 317 states have return successors, (840), 815 states have call predecessors, (840), 819 states have call successors, (840) [2024-11-28 03:32:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 3461 states and 4542 transitions. [2024-11-28 03:32:52,404 INFO L78 Accepts]: Start accepts. Automaton has 3461 states and 4542 transitions. Word has length 527 [2024-11-28 03:32:52,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:52,405 INFO L471 AbstractCegarLoop]: Abstraction has 3461 states and 4542 transitions. [2024-11-28 03:32:52,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 6 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-28 03:32:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3461 states and 4542 transitions. [2024-11-28 03:32:52,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2024-11-28 03:32:52,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:52,415 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:52,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:32:52,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:52,616 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:32:52,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:52,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1201965718, now seen corresponding path program 1 times [2024-11-28 03:32:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:52,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138428279] [2024-11-28 03:32:52,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:52,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 2129 trivial. 0 not checked. [2024-11-28 03:33:05,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:05,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138428279] [2024-11-28 03:33:05,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138428279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:05,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195091541] [2024-11-28 03:33:05,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:05,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:05,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:05,259 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:05,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:33:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:21,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 8188 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:33:21,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2024-11-28 03:33:22,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:22,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195091541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:22,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:22,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-28 03:33:22,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983830397] [2024-11-28 03:33:22,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:22,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:33:22,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:22,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:33:22,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:33:22,020 INFO L87 Difference]: Start difference. First operand 3461 states and 4542 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 2 states have call successors, (75), 2 states have call predecessors, (75), 3 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2024-11-28 03:33:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:22,539 INFO L93 Difference]: Finished difference Result 6888 states and 9056 transitions. [2024-11-28 03:33:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:33:22,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 2 states have call successors, (75), 2 states have call predecessors, (75), 3 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 640 [2024-11-28 03:33:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:22,567 INFO L225 Difference]: With dead ends: 6888 [2024-11-28 03:33:22,567 INFO L226 Difference]: Without dead ends: 3462 [2024-11-28 03:33:22,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:33:22,579 INFO L435 NwaCegarLoop]: 1484 mSDtfsCounter, 0 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:22,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4418 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:33:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2024-11-28 03:33:22,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 3462. [2024-11-28 03:33:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3462 states, 2323 states have (on average 1.2406371071889797) internal successors, (2882), 2372 states have internal predecessors, (2882), 821 states have call successors, (821), 313 states have call predecessors, (821), 317 states have return successors, (840), 815 states have call predecessors, (840), 819 states have call successors, (840) [2024-11-28 03:33:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 3462 states and 4543 transitions. [2024-11-28 03:33:22,765 INFO L78 Accepts]: Start accepts. Automaton has 3462 states and 4543 transitions. Word has length 640 [2024-11-28 03:33:22,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:22,766 INFO L471 AbstractCegarLoop]: Abstraction has 3462 states and 4543 transitions. [2024-11-28 03:33:22,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 2 states have call successors, (75), 2 states have call predecessors, (75), 3 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2024-11-28 03:33:22,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3462 states and 4543 transitions. [2024-11-28 03:33:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2024-11-28 03:33:22,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:22,776 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:22,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:33:22,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:22,976 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, atomic_cmpxchgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-28 03:33:22,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:22,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1437956378, now seen corresponding path program 1 times [2024-11-28 03:33:22,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:22,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421417558] [2024-11-28 03:33:22,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:22,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 2459 trivial. 0 not checked. [2024-11-28 03:33:36,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421417558] [2024-11-28 03:33:36,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421417558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:36,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740310417] [2024-11-28 03:33:36,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:36,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:36,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:36,407 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:36,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ee337e-5cc8-4d07-bf51-08a455226a75/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process