./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-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:33:33,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:33:33,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:33:33,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:33:33,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:33:33,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:33:33,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:33:33,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:33:33,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:33:33,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:33:33,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:33:33,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:33:33,751 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:33:33,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:33:33,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:33:33,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:33:33,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:33:33,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:33:33,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:33:33,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:33:33,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:33:33,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:33:33,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:33:33,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:33:33,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:33:33,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:33,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:33:33,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:33:33,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:33:33,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:33:33,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:33:33,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:33:33,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:33:33,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:33:33,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:33:33,766 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:33:33,767 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 [2023-11-06 22:33:34,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:33:34,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:33:34,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:33:34,106 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:33:34,107 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:33:34,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-06 22:33:37,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:33:37,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:33:37,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-06 22:33:38,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/data/71e52cb8f/f0441e7bf1aa431bbdfb4484bda014cb/FLAG670ad2dcf [2023-11-06 22:33:38,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/data/71e52cb8f/f0441e7bf1aa431bbdfb4484bda014cb [2023-11-06 22:33:38,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:33:38,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:33:38,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:38,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:33:38,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:33:38,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:38" (1/1) ... [2023-11-06 22:33:38,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db6f0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:38, skipping insertion in model container [2023-11-06 22:33:38,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:38" (1/1) ... [2023-11-06 22:33:38,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:33:42,078 WARN L240 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_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2023-11-06 22:33:42,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:42,355 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:33:42,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6827] [2023-11-06 22:33:42,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6829] [2023-11-06 22:33:42,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6839] [2023-11-06 22:33:42,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6846] [2023-11-06 22:33:42,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [6853] [2023-11-06 22:33:42,559 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)); [6925] [2023-11-06 22:33:42,559 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)); [6932] [2023-11-06 22:33:42,560 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"); [6940-6941] [2023-11-06 22:33:42,560 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; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6949-6950] [2023-11-06 22:33:42,561 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; addl %2, %0; sets %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [6958-6959] [2023-11-06 22:33:42,563 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; addq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); [6974-6975] [2023-11-06 22:33:42,563 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; incq %0": "=m" (v->counter): "m" (v->counter)); [6982] [2023-11-06 22:33:42,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7135] [2023-11-06 22:33:42,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7138] [2023-11-06 22:33:42,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7140] [2023-11-06 22:33:42,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7145] [2023-11-06 22:33:42,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7148] [2023-11-06 22:33:42,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7150] [2023-11-06 22:33:42,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7155] [2023-11-06 22:33:42,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7158] [2023-11-06 22:33:42,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7160] [2023-11-06 22:33:42,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7165] [2023-11-06 22:33:42,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7168] [2023-11-06 22:33:42,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7170] [2023-11-06 22:33:42,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7314] [2023-11-06 22:33:42,715 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--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5027/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/core/cm.c"), "i" (1181), "i" (12UL)); [9578-9579] [2023-11-06 22:33:42,792 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--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5027/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/core/cm.c"), "i" (1330), "i" (12UL)); [9756-9757] [2023-11-06 22:33:43,003 WARN L240 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_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2023-11-06 22:33:43,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:43,241 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:33:43,241 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:33:43,241 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:33:43,250 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:33:43,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43 WrapperNode [2023-11-06 22:33:43,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:43,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:43,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:33:43,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:33:43,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:43,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:43,820 INFO L138 Inliner]: procedures = 441, calls = 4368, calls flagged for inlining = 210, calls inlined = 188, statements flattened = 8390 [2023-11-06 22:33:43,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:43,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:33:43,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:33:43,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:33:43,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:43,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:43,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:43,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:44,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:44,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:44,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:44,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:44,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:33:44,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:33:44,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:33:44,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:33:44,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (1/1) ... [2023-11-06 22:33:44,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:44,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:44,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:44,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e63d7ef-bffa-4bd4-86a7-dfcdb77b4484/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:33:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 22:33:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 22:33:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure cm_deref_id [2023-11-06 22:33:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_deref_id [2023-11-06 22:33:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reset_to_idle [2023-11-06 22:33:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reset_to_idle [2023-11-06 22:33:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:33:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:33:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2023-11-06 22:33:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2023-11-06 22:33:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure be64_gt [2023-11-06 22:33:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_gt [2023-11-06 22:33:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-06 22:33:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-06 22:33:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-06 22:33:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-06 22:33:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure cm_process_work [2023-11-06 22:33:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_process_work [2023-11-06 22:33:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:33:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:33:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure cm_ack_timeout [2023-11-06 22:33:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_ack_timeout [2023-11-06 22:33:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reject_sidr_req [2023-11-06 22:33:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reject_sidr_req [2023-11-06 22:33:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rej [2023-11-06 22:33:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rej [2023-11-06 22:33:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure cm_set_private_data [2023-11-06 22:33:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_set_private_data [2023-11-06 22:33:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-06 22:33:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-06 22:33:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_qpn [2023-11-06 22:33:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_qpn [2023-11-06 22:33:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure cm_get_id [2023-11-06 22:33:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_get_id [2023-11-06 22:33:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_response_msg [2023-11-06 22:33:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_response_msg [2023-11-06 22:33:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-06 22:33:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-06 22:33:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_service_timeout [2023-11-06 22:33:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_service_timeout [2023-11-06 22:33:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mask_copy [2023-11-06 22:33:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mask_copy [2023-11-06 22:33:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:33:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:33:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:33:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:33:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_resp_res [2023-11-06 22:33:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_resp_res [2023-11-06 22:33:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_reject_info_len [2023-11-06 22:33:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_reject_info_len [2023-11-06 22:33:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure cm_enter_timewait [2023-11-06 22:33:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_enter_timewait [2023-11-06 22:33:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:33:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:33:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:33:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:33:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:33:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_drep [2023-11-06 22:33:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_drep [2023-11-06 22:33:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2023-11-06 22:33:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2023-11-06 22:33:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 22:33:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 22:33:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-06 22:33:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-06 22:33:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:33:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:33:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2023-11-06 22:33:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2023-11-06 22:33:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 22:33:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 22:33:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:33:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_alt_sl [2023-11-06 22:33:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_alt_sl [2023-11-06 22:33:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_cap_ib_cm [2023-11-06 22:33:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_cap_ib_cm [2023-11-06 22:33:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure cm_create_timewait_info [2023-11-06 22:33:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_create_timewait_info [2023-11-06 22:33:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:33:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:33:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:33:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_init_and_add [2023-11-06 22:33:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_init_and_add [2023-11-06 22:33:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_rnr_retry_count [2023-11-06 22:33:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_rnr_retry_count [2023-11-06 22:33:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:33:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2023-11-06 22:33:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2023-11-06 22:33:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:33:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:33:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure cm_destroy_id [2023-11-06 22:33:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_destroy_id [2023-11-06 22:33:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 22:33:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 22:33:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-06 22:33:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-06 22:33:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 22:33:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 22:33:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_starting_psn [2023-11-06 22:33:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_starting_psn [2023-11-06 22:33:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:33:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mra [2023-11-06 22:33:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mra [2023-11-06 22:33:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure cm_convert_to_ms [2023-11-06 22:33:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_convert_to_ms [2023-11-06 22:33:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure cm_find_listen [2023-11-06 22:33:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_find_listen [2023-11-06 22:33:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:33:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2023-11-06 22:33:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2023-11-06 22:33:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_recv_mad [2023-11-06 22:33:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_recv_mad [2023-11-06 22:33:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:33:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:33:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_qpn [2023-11-06 22:33:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_qpn [2023-11-06 22:33:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 22:33:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 22:33:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2023-11-06 22:33:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2023-11-06 22:33:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_path_mtu [2023-11-06 22:33:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_path_mtu [2023-11-06 22:33:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2023-11-06 22:33:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2023-11-06 22:33:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_primary_sl [2023-11-06 22:33:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_primary_sl [2023-11-06 22:33:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-11-06 22:33:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-11-06 22:33:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2023-11-06 22:33:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2023-11-06 22:33:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 22:33:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 22:33:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-06 22:33:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-06 22:33:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_mad [2023-11-06 22:33:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_mad [2023-11-06 22:33:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_target_ack_delay [2023-11-06 22:33:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_target_ack_delay [2023-11-06 22:33:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:33:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:33:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2023-11-06 22:33:44,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2023-11-06 22:33:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 22:33:44,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 22:33:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-06 22:33:44,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-06 22:33:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_msg [2023-11-06 22:33:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_msg [2023-11-06 22:33:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:33:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:33:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:33:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:33:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_qpn [2023-11-06 22:33:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_qpn [2023-11-06 22:33:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure cm_work_handler [2023-11-06 22:33:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_work_handler [2023-11-06 22:33:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_send_mad [2023-11-06 22:33:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_send_mad [2023-11-06 22:33:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-06 22:33:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-06 22:33:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mad_hdr [2023-11-06 22:33:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mad_hdr [2023-11-06 22:33:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_msg_mraed [2023-11-06 22:33:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_msg_mraed [2023-11-06 22:33:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_msg_rejected [2023-11-06 22:33:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_msg_rejected [2023-11-06 22:33:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:33:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:33:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-06 22:33:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-06 22:33:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rtu [2023-11-06 22:33:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rtu [2023-11-06 22:33:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure cm_dequeue_work [2023-11-06 22:33:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_dequeue_work [2023-11-06 22:33:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_rnr_retry_count [2023-11-06 22:33:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_rnr_retry_count [2023-11-06 22:33:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:33:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:33:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure be32_lt [2023-11-06 22:33:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_lt [2023-11-06 22:33:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_retry_count [2023-11-06 22:33:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_retry_count [2023-11-06 22:33:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:33:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:33:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_for_response [2023-11-06 22:33:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_for_response [2023-11-06 22:33:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_init_depth [2023-11-06 22:33:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_init_depth [2023-11-06 22:33:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-06 22:33:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-06 22:33:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure cm_remove_port_fs [2023-11-06 22:33:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_remove_port_fs [2023-11-06 22:33:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_msg [2023-11-06 22:33:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_msg [2023-11-06 22:33:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:33:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:33:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:33:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:33:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-06 22:33:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-06 22:33:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_port [2023-11-06 22:33:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_port [2023-11-06 22:33:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:33:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:33:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:33:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-06 22:33:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-06 22:33:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:33:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:33:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2023-11-06 22:33:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2023-11-06 22:33:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 22:33:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 22:33:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_qp_type [2023-11-06 22:33:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_qp_type [2023-11-06 22:33:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-06 22:33:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-06 22:33:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure cm_cleanup_timewait [2023-11-06 22:33:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_cleanup_timewait [2023-11-06 22:33:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_by_path [2023-11-06 22:33:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_by_path [2023-11-06 22:33:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure be32_gt [2023-11-06 22:33:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_gt [2023-11-06 22:33:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_work [2023-11-06 22:33:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_work [2023-11-06 22:33:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_rej [2023-11-06 22:33:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_rej [2023-11-06 22:33:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_id [2023-11-06 22:33:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_id [2023-11-06 22:33:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:33:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:33:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:33:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 22:33:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 22:33:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:33:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:33:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send_mad [2023-11-06 22:33:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send_mad [2023-11-06 22:33:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-06 22:33:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-06 22:33:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-06 22:33:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-06 22:33:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2023-11-06 22:33:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2023-11-06 22:33:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_starting_psn [2023-11-06 22:33:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_starting_psn [2023-11-06 22:33:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure cm_copy_private_data [2023-11-06 22:33:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_copy_private_data [2023-11-06 22:33:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_resp_timeout [2023-11-06 22:33:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_resp_timeout [2023-11-06 22:33:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure cm_form_tid [2023-11-06 22:33:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_form_tid [2023-11-06 22:33:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure cm_acquire_id [2023-11-06 22:33:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_acquire_id [2023-11-06 22:33:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-06 22:33:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-06 22:33:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_sidr_rep [2023-11-06 22:33:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_sidr_rep [2023-11-06 22:33:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 22:33:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 22:33:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-06 22:33:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-06 22:33:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_set_srq [2023-11-06 22:33:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_set_srq [2023-11-06 22:33:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure cm_issue_rej [2023-11-06 22:33:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_issue_rej [2023-11-06 22:33:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-06 22:33:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-06 22:33:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure ib_cancel_mad [2023-11-06 22:33:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_cancel_mad [2023-11-06 22:33:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure be64_lt [2023-11-06 22:33:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_lt [2023-11-06 22:33:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure cm_devnode [2023-11-06 22:33:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_devnode [2023-11-06 22:33:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:33:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:33:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:33:45,947 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:33:45,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:33:46,160 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:34:10,838 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:34:10,870 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:34:10,870 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:34:10,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:10 BoogieIcfgContainer [2023-11-06 22:34:10,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:34:10,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:34:10,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:34:10,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:34:10,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:33:38" (1/3) ... [2023-11-06 22:34:10,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d15956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:10, skipping insertion in model container [2023-11-06 22:34:10,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:43" (2/3) ... [2023-11-06 22:34:10,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d15956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:10, skipping insertion in model container [2023-11-06 22:34:10,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:10" (3/3) ... [2023-11-06 22:34:10,887 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-06 22:34:10,905 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:34:10,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:34:11,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:34:11,053 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@b4e27ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:34:11,053 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:34:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 2723 states, 1832 states have (on average 1.337882096069869) internal successors, (2451), 1908 states have internal predecessors, (2451), 761 states have call successors, (761), 129 states have call predecessors, (761), 128 states have return successors, (751), 728 states have call predecessors, (751), 751 states have call successors, (751) [2023-11-06 22:34:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-06 22:34:11,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:11,124 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:11,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:11,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash -778095250, now seen corresponding path program 1 times [2023-11-06 22:34:11,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:11,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002027512] [2023-11-06 22:34:11,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:11,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:34:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:34:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:34:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:34:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:34:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:34:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:34:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:34:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:34:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:34:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:34:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:34:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-06 22:34:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 22:34:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-06 22:34:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:13,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 22:34:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-11-06 22:34:13,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:13,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002027512] [2023-11-06 22:34:13,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002027512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:13,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:13,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:34:13,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461699773] [2023-11-06 22:34:13,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:13,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:34:13,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:13,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:34:13,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:13,334 INFO L87 Difference]: Start difference. First operand has 2723 states, 1832 states have (on average 1.337882096069869) internal successors, (2451), 1908 states have internal predecessors, (2451), 761 states have call successors, (761), 129 states have call predecessors, (761), 128 states have return successors, (751), 728 states have call predecessors, (751), 751 states have call successors, (751) Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:34:18,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:20,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:22,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:30,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:32,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:34,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:44,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:46,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:48,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:51,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:53,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:55,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:57,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:59,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:01,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:04,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:06,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:08,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:12,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:14,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:16,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:18,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:20,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:22,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:24,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:26,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:28,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:30,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:32,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:34,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:35,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:35,022 INFO L93 Difference]: Finished difference Result 9164 states and 14052 transitions. [2023-11-06 22:35:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:35:35,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 187 [2023-11-06 22:35:35,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:35,127 INFO L225 Difference]: With dead ends: 9164 [2023-11-06 22:35:35,127 INFO L226 Difference]: Without dead ends: 6412 [2023-11-06 22:35:35,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:35:35,221 INFO L413 NwaCegarLoop]: 3180 mSDtfsCounter, 8333 mSDsluCounter, 4531 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 6379 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9064 SdHoareTripleChecker+Valid, 7711 SdHoareTripleChecker+Invalid, 10106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6379 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:35,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9064 Valid, 7711 Invalid, 10106 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6379 Valid, 3697 Invalid, 30 Unknown, 0 Unchecked, 80.1s Time] [2023-11-06 22:35:35,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6412 states. [2023-11-06 22:35:36,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6412 to 5310. [2023-11-06 22:35:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5310 states, 3587 states have (on average 1.330917201003624) internal successors, (4774), 3712 states have internal predecessors, (4774), 1470 states have call successors, (1470), 253 states have call predecessors, (1470), 252 states have return successors, (1467), 1421 states have call predecessors, (1467), 1467 states have call successors, (1467) [2023-11-06 22:35:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5310 states to 5310 states and 7711 transitions. [2023-11-06 22:35:36,149 INFO L78 Accepts]: Start accepts. Automaton has 5310 states and 7711 transitions. Word has length 187 [2023-11-06 22:35:36,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:36,155 INFO L495 AbstractCegarLoop]: Abstraction has 5310 states and 7711 transitions. [2023-11-06 22:35:36,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:35:36,156 INFO L276 IsEmpty]: Start isEmpty. Operand 5310 states and 7711 transitions. [2023-11-06 22:35:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-06 22:35:36,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:36,170 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2023-11-06 22:35:36,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:35:36,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:36,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:36,172 INFO L85 PathProgramCache]: Analyzing trace with hash -872878514, now seen corresponding path program 1 times [2023-11-06 22:35:36,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:36,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625053135] [2023-11-06 22:35:36,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:36,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:35:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:35:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:35:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:35:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:35:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:35:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:35:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:35:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:35:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:35:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:35:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:35:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-06 22:35:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 22:35:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-06 22:35:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 22:35:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2023-11-06 22:35:37,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:37,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625053135] [2023-11-06 22:35:37,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625053135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:37,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:37,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:35:37,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374135112] [2023-11-06 22:35:37,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:37,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:35:37,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:37,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:35:37,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:35:37,639 INFO L87 Difference]: Start difference. First operand 5310 states and 7711 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:35:42,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:44,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:46,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:56,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:35:58,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:00,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:03,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:05,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:07,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:10,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:12,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:14,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:16,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:18,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:20,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:20,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:20,818 INFO L93 Difference]: Finished difference Result 6382 states and 9654 transitions. [2023-11-06 22:36:20,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:36:20,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 190 [2023-11-06 22:36:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:20,897 INFO L225 Difference]: With dead ends: 6382 [2023-11-06 22:36:20,898 INFO L226 Difference]: Without dead ends: 6379 [2023-11-06 22:36:20,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:36:20,907 INFO L413 NwaCegarLoop]: 3236 mSDtfsCounter, 6369 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 3689 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6925 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 5889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3689 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:20,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6925 Valid, 5019 Invalid, 5889 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3689 Valid, 2185 Invalid, 15 Unknown, 0 Unchecked, 42.0s Time] [2023-11-06 22:36:20,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6379 states. [2023-11-06 22:36:21,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6379 to 5309. [2023-11-06 22:36:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5309 states, 3587 states have (on average 1.3306384165040424) internal successors, (4773), 3711 states have internal predecessors, (4773), 1469 states have call successors, (1469), 253 states have call predecessors, (1469), 252 states have return successors, (1467), 1421 states have call predecessors, (1467), 1467 states have call successors, (1467) [2023-11-06 22:36:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5309 states to 5309 states and 7709 transitions. [2023-11-06 22:36:21,610 INFO L78 Accepts]: Start accepts. Automaton has 5309 states and 7709 transitions. Word has length 190 [2023-11-06 22:36:21,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:21,612 INFO L495 AbstractCegarLoop]: Abstraction has 5309 states and 7709 transitions. [2023-11-06 22:36:21,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:36:21,613 INFO L276 IsEmpty]: Start isEmpty. Operand 5309 states and 7709 transitions. [2023-11-06 22:36:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-06 22:36:21,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:21,622 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2023-11-06 22:36:21,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:36:21,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:21,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:21,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1290720656, now seen corresponding path program 1 times [2023-11-06 22:36:21,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:21,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542141192] [2023-11-06 22:36:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:21,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:36:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:36:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:36:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:36:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:36:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:36:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:36:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:36:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:36:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:36:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-06 22:36:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:23,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 22:36:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-06 22:36:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 22:36:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2023-11-06 22:36:23,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:23,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542141192] [2023-11-06 22:36:23,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542141192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:23,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:23,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:36:23,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102593776] [2023-11-06 22:36:23,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:23,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:36:23,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:23,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:36:23,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:36:23,112 INFO L87 Difference]: Start difference. First operand 5309 states and 7709 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:36:28,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:30,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:32,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:42,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:44,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:46,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:49,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:51,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:53,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:57,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:59,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:01,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:03,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:05,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:07,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:07,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:07,671 INFO L93 Difference]: Finished difference Result 6381 states and 9652 transitions. [2023-11-06 22:37:07,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:37:07,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 191 [2023-11-06 22:37:07,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:07,732 INFO L225 Difference]: With dead ends: 6381 [2023-11-06 22:37:07,732 INFO L226 Difference]: Without dead ends: 6378 [2023-11-06 22:37:07,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:37:07,739 INFO L413 NwaCegarLoop]: 3234 mSDtfsCounter, 5713 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 3229 mSolverCounterSat, 2725 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6276 SdHoareTripleChecker+Valid, 6185 SdHoareTripleChecker+Invalid, 5969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2725 IncrementalHoareTripleChecker+Valid, 3229 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:07,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6276 Valid, 6185 Invalid, 5969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2725 Valid, 3229 Invalid, 15 Unknown, 0 Unchecked, 43.6s Time] [2023-11-06 22:37:07,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6378 states. [2023-11-06 22:37:08,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6378 to 5308. [2023-11-06 22:37:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5308 states, 3587 states have (on average 1.3303596320044606) internal successors, (4772), 3710 states have internal predecessors, (4772), 1468 states have call successors, (1468), 253 states have call predecessors, (1468), 252 states have return successors, (1467), 1421 states have call predecessors, (1467), 1467 states have call successors, (1467) [2023-11-06 22:37:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5308 states to 5308 states and 7707 transitions. [2023-11-06 22:37:08,404 INFO L78 Accepts]: Start accepts. Automaton has 5308 states and 7707 transitions. Word has length 191 [2023-11-06 22:37:08,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:08,406 INFO L495 AbstractCegarLoop]: Abstraction has 5308 states and 7707 transitions. [2023-11-06 22:37:08,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:37:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 5308 states and 7707 transitions. [2023-11-06 22:37:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-06 22:37:08,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:08,416 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2023-11-06 22:37:08,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:37:08,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:08,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:08,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1358920303, now seen corresponding path program 1 times [2023-11-06 22:37:08,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:08,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051283397] [2023-11-06 22:37:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:08,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:37:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:37:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:37:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:37:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:37:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:37:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:37:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:37:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:37:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:37:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-06 22:37:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 22:37:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-06 22:37:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 22:37:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2023-11-06 22:37:09,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:09,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051283397] [2023-11-06 22:37:09,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051283397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:09,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:09,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:37:09,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656073602] [2023-11-06 22:37:09,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:09,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:37:09,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:09,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:37:09,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:37:09,580 INFO L87 Difference]: Start difference. First operand 5308 states and 7707 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:37:11,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:14,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:16,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:18,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []