./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--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:04:44,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:04:44,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 06:04:44,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:04:44,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:04:44,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:04:44,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:04:44,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:04:44,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:04:44,915 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:04:44,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:04:44,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:04:44,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:04:44,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:04:44,918 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:04:44,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:04:44,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:04:44,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:04:44,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:04:44,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:04:44,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:04:44,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:04:44,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:04:44,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:04:44,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:04:44,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:04:44,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:04:44,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:04:44,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:04:44,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:04:44,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:04:44,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:04:44,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:04:44,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:04:44,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:04:44,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:04:44,928 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:04:44,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:04:44,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:04:44,937 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_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b [2023-11-29 06:04:45,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:04:45,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:04:45,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:04:45,176 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:04:45,176 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:04:45,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-29 06:04:47,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:04:48,542 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:04:48,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-29 06:04:48,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/data/406021036/577c37a242db4e91b92b9b457d5752f4/FLAGf3a3f62b1 [2023-11-29 06:04:48,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/data/406021036/577c37a242db4e91b92b9b457d5752f4 [2023-11-29 06:04:48,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:04:48,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:04:48,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:04:48,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:04:48,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:04:48,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:04:48" (1/1) ... [2023-11-29 06:04:48,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c650271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:48, skipping insertion in model container [2023-11-29 06:04:48,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:04:48" (1/1) ... [2023-11-29 06:04:48,810 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:04:51,862 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_2aa48d35-d159-48c3-afa9-85e097285fc2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2023-11-29 06:04:52,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:04:52,260 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:04:52,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9387] [2023-11-29 06:04:52,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9394] [2023-11-29 06:04:52,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9435] [2023-11-29 06:04:52,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9438] [2023-11-29 06:04:52,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9441] [2023-11-29 06:04:52,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9444] [2023-11-29 06:04:52,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [9532-9533] [2023-11-29 06:04:52,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [9552-9553] [2023-11-29 06:04:52,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [9557-9558] [2023-11-29 06:04:52,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [9562-9563] [2023-11-29 06:04:52,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [9567-9568] [2023-11-29 06:04:52,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [10029-10030] [2023-11-29 06:04:52,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [10037-10038] [2023-11-29 06:04:52,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [10114-10115] [2023-11-29 06:04:52,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [10143-10144] [2023-11-29 06:04:52,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (56), "i" (12UL)); [10191-10192] [2023-11-29 06:04:52,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (58), "i" (12UL)); [10200-10201] [2023-11-29 06:04:52,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (70), "i" (12UL)); [10224-10225] [2023-11-29 06:04:52,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [10254-10255] [2023-11-29 06:04:52,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [10284-10285] [2023-11-29 06:04:52,652 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/4833/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/ulp/isert/ib_isert.c"), "i" (808), "i" (12UL)); [11596-11597] [2023-11-29 06:04:53,070 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_2aa48d35-d159-48c3-afa9-85e097285fc2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2023-11-29 06:04:53,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:04:53,230 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:04:53,231 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:04:53,231 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:04:53,239 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:04:53,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53 WrapperNode [2023-11-29 06:04:53,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:04:53,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:04:53,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:04:53,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:04:53,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:53,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:53,547 INFO L138 Inliner]: procedures = 483, calls = 3016, calls flagged for inlining = 237, calls inlined = 184, statements flattened = 7731 [2023-11-29 06:04:53,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:04:53,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:04:53,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:04:53,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:04:53,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:53,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:53,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,041 INFO L175 MemorySlicer]: Split 1067 memory accesses to 14 slices as follows [2, 1, 9, 5, 5, 6, 5, 2, 35, 6, 2, 26, 959, 4]. 90 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [2, 0, 0, 5, 5, 0, 0, 2, 35, 0, 0, 0, 21, 0]. The 308 writes are split as follows [0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 13, 289, 3]. [2023-11-29 06:04:56,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:04:56,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:04:56,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:04:56,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:04:56,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (1/1) ... [2023-11-29 06:04:56,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:04:56,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:04:56,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:04:56,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa48d35-d159-48c3-afa9-85e097285fc2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:04:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2023-11-29 06:04:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2023-11-29 06:04:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 06:04:56,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 06:04:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2023-11-29 06:04:56,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2023-11-29 06:04:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 06:04:56,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 06:04:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_isert_conn [2023-11-29 06:04:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_isert_conn [2023-11-29 06:04:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-29 06:04:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-29 06:04:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-29 06:04:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-29 06:04:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2023-11-29 06:04:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2023-11-29 06:04:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2023-11-29 06:04:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2023-11-29 06:04:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-29 06:04:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-29 06:04:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2023-11-29 06:04:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2023-11-29 06:04:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-29 06:04:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-29 06:04:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2023-11-29 06:04:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2023-11-29 06:04:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2023-11-29 06:04:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2023-11-29 06:04:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-29 06:04:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-29 06:04:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-29 06:04:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_isert_conn [2023-11-29 06:04:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_isert_conn [2023-11-29 06:04:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2023-11-29 06:04:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2023-11-29 06:04:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2023-11-29 06:04:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2023-11-29 06:04:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2023-11-29 06:04:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2023-11-29 06:04:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-29 06:04:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-29 06:04:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-29 06:04:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-29 06:04:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2023-11-29 06:04:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2023-11-29 06:04:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:04:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2023-11-29 06:04:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2023-11-29 06:04:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2023-11-29 06:04:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2023-11-29 06:04:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-29 06:04:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-29 06:04:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-29 06:04:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-29 06:04:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-29 06:04:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-29 06:04:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2023-11-29 06:04:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2023-11-29 06:04:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 06:04:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 06:04:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 06:04:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 06:04:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 06:04:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 06:04:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 06:04:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 06:04:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 06:04:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 06:04:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 06:04:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 06:04:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 06:04:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 06:04:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2023-11-29 06:04:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2023-11-29 06:04:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-29 06:04:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-29 06:04:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 06:04:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 06:04:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 06:04:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 06:04:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 06:04:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 06:04:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2023-11-29 06:04:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2023-11-29 06:04:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:04:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:04:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:04:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:04:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:04:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 06:04:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 06:04:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-29 06:04:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-29 06:04:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-11-29 06:04:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 06:04:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 06:04:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 06:04:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 06:04:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 06:04:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 06:04:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 06:04:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 06:04:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 06:04:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 06:04:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 06:04:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 06:04:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 06:04:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 06:04:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 06:04:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 06:04:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 06:04:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 06:04:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 06:04:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 06:04:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 06:04:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 06:04:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2023-11-29 06:04:56,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2023-11-29 06:04:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2023-11-29 06:04:56,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2023-11-29 06:04:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2023-11-29 06:04:56,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2023-11-29 06:04:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-29 06:04:56,454 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-29 06:04:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-29 06:04:56,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-29 06:04:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-29 06:04:56,454 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-29 06:04:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-11-29 06:04:56,454 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-11-29 06:04:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-29 06:04:56,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-29 06:04:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:04:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-29 06:04:56,455 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-29 06:04:56,455 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 06:04:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-29 06:04:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 06:04:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 06:04:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2023-11-29 06:04:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2023-11-29 06:04:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-29 06:04:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-29 06:04:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2023-11-29 06:04:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2023-11-29 06:04:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2023-11-29 06:04:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2023-11-29 06:04:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-29 06:04:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-29 06:04:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2023-11-29 06:04:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2023-11-29 06:04:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-29 06:04:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-29 06:04:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2023-11-29 06:04:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2023-11-29 06:04:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2023-11-29 06:04:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2023-11-29 06:04:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2023-11-29 06:04:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2023-11-29 06:04:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2023-11-29 06:04:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2023-11-29 06:04:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2023-11-29 06:04:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2023-11-29 06:04:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:04:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:04:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-29 06:04:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-29 06:04:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 06:04:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 06:04:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-29 06:04:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-29 06:04:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-29 06:04:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 06:04:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 06:04:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2023-11-29 06:04:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 06:04:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 06:04:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2023-11-29 06:04:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2023-11-29 06:04:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-29 06:04:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-29 06:04:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2023-11-29 06:04:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2023-11-29 06:04:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2023-11-29 06:04:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2023-11-29 06:04:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2023-11-29 06:04:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2023-11-29 06:04:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-29 06:04:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-29 06:04:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-29 06:04:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-29 06:04:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2023-11-29 06:04:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2023-11-29 06:04:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-29 06:04:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-29 06:04:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 06:04:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 06:04:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2023-11-29 06:04:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2023-11-29 06:04:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 06:04:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 06:04:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-29 06:04:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-29 06:04:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2023-11-29 06:04:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2023-11-29 06:04:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2023-11-29 06:04:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2023-11-29 06:04:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 06:04:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 06:04:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 06:04:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 06:04:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 06:04:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 06:04:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 06:04:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 06:04:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 06:04:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 06:04:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 06:04:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 06:04:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 06:04:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 06:04:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 06:04:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 06:04:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 06:04:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 06:04:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 06:04:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:04:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:04:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-29 06:04:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-29 06:04:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2023-11-29 06:04:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2023-11-29 06:04:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-29 06:04:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-29 06:04:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-29 06:04:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-29 06:04:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:04:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 06:04:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 06:04:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2023-11-29 06:04:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2023-11-29 06:04:56,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 06:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-29 06:04:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2023-11-29 06:04:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 06:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 06:04:56,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 06:04:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2023-11-29 06:04:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2023-11-29 06:04:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-29 06:04:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-29 06:04:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-29 06:04:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-29 06:04:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-29 06:04:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-29 06:04:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-29 06:04:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-29 06:04:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-29 06:04:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-29 06:04:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2023-11-29 06:04:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2023-11-29 06:04:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2023-11-29 06:04:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2023-11-29 06:04:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2023-11-29 06:04:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2023-11-29 06:04:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-29 06:04:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-29 06:04:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2023-11-29 06:04:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2023-11-29 06:04:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-29 06:04:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-29 06:04:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2023-11-29 06:04:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2023-11-29 06:04:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-29 06:04:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-29 06:04:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_list_mutex [2023-11-29 06:04:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_list_mutex [2023-11-29 06:04:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_list_mutex [2023-11-29 06:04:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_list_mutex [2023-11-29 06:04:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-29 06:04:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-29 06:04:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-29 06:04:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-29 06:04:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2023-11-29 06:04:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2023-11-29 06:04:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-29 06:04:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-29 06:04:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-11-29 06:04:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-11-29 06:04:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 06:04:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 06:04:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2023-11-29 06:04:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2023-11-29 06:04:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-29 06:04:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-29 06:04:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:04:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:04:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:04:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:04:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:04:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:04:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 06:04:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2023-11-29 06:04:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2023-11-29 06:04:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 06:04:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 06:04:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2023-11-29 06:04:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2023-11-29 06:04:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2023-11-29 06:04:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2023-11-29 06:04:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-29 06:04:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-29 06:04:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-29 06:04:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-29 06:04:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2023-11-29 06:04:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2023-11-29 06:04:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2023-11-29 06:04:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2023-11-29 06:04:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-29 06:04:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-29 06:04:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2023-11-29 06:04:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2023-11-29 06:04:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-29 06:04:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-29 06:04:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2023-11-29 06:04:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2023-11-29 06:04:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:04:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 06:04:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 06:04:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-29 06:04:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-29 06:04:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2023-11-29 06:04:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2023-11-29 06:04:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2023-11-29 06:04:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2023-11-29 06:04:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-29 06:04:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-29 06:04:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-29 06:04:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-29 06:04:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2023-11-29 06:04:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2023-11-29 06:04:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2023-11-29 06:04:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2023-11-29 06:04:57,675 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:04:57,680 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:04:58,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 06:05:08,317 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:05:08,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:05:08,622 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:05:08,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:05:08 BoogieIcfgContainer [2023-11-29 06:05:08,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:05:08,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:05:08,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:05:08,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:05:08,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:04:48" (1/3) ... [2023-11-29 06:05:08,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1960314f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:05:08, skipping insertion in model container [2023-11-29 06:05:08,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:04:53" (2/3) ... [2023-11-29 06:05:08,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1960314f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:05:08, skipping insertion in model container [2023-11-29 06:05:08,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:05:08" (3/3) ... [2023-11-29 06:05:08,631 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-29 06:05:08,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:05:08,648 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:05:08,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:05:08,743 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48372236, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:05:08,743 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:05:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 2467 states, 1597 states have (on average 1.364433312460864) internal successors, (2179), 1655 states have internal predecessors, (2179), 734 states have call successors, (734), 135 states have call predecessors, (734), 134 states have return successors, (728), 717 states have call predecessors, (728), 728 states have call successors, (728) [2023-11-29 06:05:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 06:05:08,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:08,779 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:08,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:08,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:08,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1461472433, now seen corresponding path program 1 times [2023-11-29 06:05:08,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:08,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029362233] [2023-11-29 06:05:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:08,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:05:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:05:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:05:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:05:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:05:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:05:09,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:09,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029362233] [2023-11-29 06:05:09,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029362233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:09,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:09,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:05:09,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411932206] [2023-11-29 06:05:09,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:09,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:05:09,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:09,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:05:09,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:05:09,624 INFO L87 Difference]: Start difference. First operand has 2467 states, 1597 states have (on average 1.364433312460864) internal successors, (2179), 1655 states have internal predecessors, (2179), 734 states have call successors, (734), 135 states have call predecessors, (734), 134 states have return successors, (728), 717 states have call predecessors, (728), 728 states have call successors, (728) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:05:10,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:12,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:13,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:20,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:24,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:29,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:36,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:36,805 INFO L93 Difference]: Finished difference Result 5817 states and 9043 transitions. [2023-11-29 06:05:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:05:36,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2023-11-29 06:05:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:36,843 INFO L225 Difference]: With dead ends: 5817 [2023-11-29 06:05:36,843 INFO L226 Difference]: Without dead ends: 3333 [2023-11-29 06:05:36,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:05:36,868 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 3954 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 6947 mSolverCounterSat, 2373 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4324 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 9322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2373 IncrementalHoareTripleChecker+Valid, 6947 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:36,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4324 Valid, 2330 Invalid, 9322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2373 Valid, 6947 Invalid, 2 Unknown, 0 Unchecked, 26.5s Time] [2023-11-29 06:05:36,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2023-11-29 06:05:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 2447. [2023-11-29 06:05:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 1585 states have (on average 1.3520504731861198) internal successors, (2143), 1635 states have internal predecessors, (2143), 728 states have call successors, (728), 134 states have call predecessors, (728), 133 states have return successors, (716), 705 states have call predecessors, (716), 716 states have call successors, (716) [2023-11-29 06:05:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 3587 transitions. [2023-11-29 06:05:37,129 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 3587 transitions. Word has length 71 [2023-11-29 06:05:37,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:37,129 INFO L495 AbstractCegarLoop]: Abstraction has 2447 states and 3587 transitions. [2023-11-29 06:05:37,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:05:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 3587 transitions. [2023-11-29 06:05:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 06:05:37,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:37,136 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:37,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:05:37,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:37,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2140744687, now seen corresponding path program 1 times [2023-11-29 06:05:37,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:37,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997567838] [2023-11-29 06:05:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:05:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:05:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:05:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:05:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:05:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:05:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:05:37,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:37,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997567838] [2023-11-29 06:05:37,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997567838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:37,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:37,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:05:37,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267738658] [2023-11-29 06:05:37,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:37,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:05:37,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:37,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:05:37,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:05:37,602 INFO L87 Difference]: Start difference. First operand 2447 states and 3587 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 06:05:48,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:55,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:05:59,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:06:08,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:06:08,329 INFO L93 Difference]: Finished difference Result 8531 states and 12977 transitions. [2023-11-29 06:06:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:06:08,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 71 [2023-11-29 06:06:08,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:06:08,381 INFO L225 Difference]: With dead ends: 8531 [2023-11-29 06:06:08,382 INFO L226 Difference]: Without dead ends: 6102 [2023-11-29 06:06:08,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:06:08,398 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 11350 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 8470 mSolverCounterSat, 8434 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11777 SdHoareTripleChecker+Valid, 2503 SdHoareTripleChecker+Invalid, 16906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8434 IncrementalHoareTripleChecker+Valid, 8470 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:06:08,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11777 Valid, 2503 Invalid, 16906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8434 Valid, 8470 Invalid, 2 Unknown, 0 Unchecked, 29.9s Time] [2023-11-29 06:06:08,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6102 states. [2023-11-29 06:06:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6102 to 4339. [2023-11-29 06:06:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4339 states, 2827 states have (on average 1.3533781393703572) internal successors, (3826), 2915 states have internal predecessors, (3826), 1253 states have call successors, (1253), 259 states have call predecessors, (1253), 258 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-29 06:06:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4339 states to 4339 states and 6320 transitions. [2023-11-29 06:06:08,795 INFO L78 Accepts]: Start accepts. Automaton has 4339 states and 6320 transitions. Word has length 71 [2023-11-29 06:06:08,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:06:08,796 INFO L495 AbstractCegarLoop]: Abstraction has 4339 states and 6320 transitions. [2023-11-29 06:06:08,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 06:06:08,796 INFO L276 IsEmpty]: Start isEmpty. Operand 4339 states and 6320 transitions. [2023-11-29 06:06:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 06:06:08,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:06:08,800 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:06:08,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:06:08,801 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:06:08,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:06:08,801 INFO L85 PathProgramCache]: Analyzing trace with hash 225559869, now seen corresponding path program 1 times [2023-11-29 06:06:08,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:06:08,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536173119] [2023-11-29 06:06:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:06:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:06:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:06:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:06:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:06:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:06:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:06:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:06:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:06:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:06:09,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:06:09,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536173119] [2023-11-29 06:06:09,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536173119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:06:09,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:06:09,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:06:09,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219247431] [2023-11-29 06:06:09,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:06:09,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:06:09,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:06:09,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:06:09,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:06:09,496 INFO L87 Difference]: Start difference. First operand 4339 states and 6320 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 06:06:11,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:06:25,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:06:29,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:06:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:06:31,978 INFO L93 Difference]: Finished difference Result 6099 states and 9395 transitions. [2023-11-29 06:06:31,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:06:31,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2023-11-29 06:06:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:06:32,012 INFO L225 Difference]: With dead ends: 6099 [2023-11-29 06:06:32,012 INFO L226 Difference]: Without dead ends: 6095 [2023-11-29 06:06:32,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:06:32,017 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 7373 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 5487 mSolverCounterSat, 5716 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7571 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 11205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5716 IncrementalHoareTripleChecker+Valid, 5487 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:06:32,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7571 Valid, 1851 Invalid, 11205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5716 Valid, 5487 Invalid, 2 Unknown, 0 Unchecked, 22.0s Time] [2023-11-29 06:06:32,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6095 states. [2023-11-29 06:06:32,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6095 to 4353. [2023-11-29 06:06:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4353 states, 2835 states have (on average 1.3513227513227513) internal successors, (3831), 2921 states have internal predecessors, (3831), 1251 states have call successors, (1251), 267 states have call predecessors, (1251), 266 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-29 06:06:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 4353 states and 6323 transitions. [2023-11-29 06:06:32,326 INFO L78 Accepts]: Start accepts. Automaton has 4353 states and 6323 transitions. Word has length 78 [2023-11-29 06:06:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:06:32,327 INFO L495 AbstractCegarLoop]: Abstraction has 4353 states and 6323 transitions. [2023-11-29 06:06:32,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 06:06:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4353 states and 6323 transitions. [2023-11-29 06:06:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 06:06:32,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:06:32,331 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:06:32,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:06:32,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:06:32,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:06:32,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1229886154, now seen corresponding path program 1 times [2023-11-29 06:06:32,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:06:32,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626494358] [2023-11-29 06:06:32,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:06:32,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:06:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:06:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:06:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:06:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:06:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:06:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:06:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:06:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:06:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:06:32,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:06:32,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626494358] [2023-11-29 06:06:32,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626494358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:06:32,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:06:32,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:06:32,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098849563] [2023-11-29 06:06:32,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:06:32,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:06:32,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:06:32,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:06:32,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:06:32,922 INFO L87 Difference]: Start difference. First operand 4353 states and 6323 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:06:34,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:06:37,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:06:55,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:06:59,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:03,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:07:07,567 INFO L93 Difference]: Finished difference Result 7035 states and 11057 transitions. [2023-11-29 06:07:07,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:07:07,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 81 [2023-11-29 06:07:07,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:07:07,615 INFO L225 Difference]: With dead ends: 7035 [2023-11-29 06:07:07,615 INFO L226 Difference]: Without dead ends: 7031 [2023-11-29 06:07:07,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:07:07,620 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 7790 mSDsluCounter, 1873 mSDsCounter, 0 mSdLazyCounter, 9255 mSolverCounterSat, 5436 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8017 SdHoareTripleChecker+Valid, 2771 SdHoareTripleChecker+Invalid, 14694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5436 IncrementalHoareTripleChecker+Valid, 9255 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:07:07,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8017 Valid, 2771 Invalid, 14694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5436 Valid, 9255 Invalid, 3 Unknown, 0 Unchecked, 33.9s Time] [2023-11-29 06:07:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7031 states. [2023-11-29 06:07:08,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7031 to 4375. [2023-11-29 06:07:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4375 states, 2847 states have (on average 1.3487881981032666) internal successors, (3840), 2931 states have internal predecessors, (3840), 1249 states have call successors, (1249), 279 states have call predecessors, (1249), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-29 06:07:08,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 4375 states and 6330 transitions. [2023-11-29 06:07:08,145 INFO L78 Accepts]: Start accepts. Automaton has 4375 states and 6330 transitions. Word has length 81 [2023-11-29 06:07:08,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:07:08,145 INFO L495 AbstractCegarLoop]: Abstraction has 4375 states and 6330 transitions. [2023-11-29 06:07:08,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:07:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 6330 transitions. [2023-11-29 06:07:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 06:07:08,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:07:08,149 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:07:08,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:07:08,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:07:08,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:07:08,150 INFO L85 PathProgramCache]: Analyzing trace with hash -529386219, now seen corresponding path program 1 times [2023-11-29 06:07:08,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:07:08,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102163287] [2023-11-29 06:07:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:07:08,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:07:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:07:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:07:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:07:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:07:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:07:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:07:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:07:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:07:08,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:07:08,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102163287] [2023-11-29 06:07:08,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102163287] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:07:08,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:07:08,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:07:08,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617792135] [2023-11-29 06:07:08,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:07:08,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:07:08,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:07:08,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:07:08,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:07:08,799 INFO L87 Difference]: Start difference. First operand 4375 states and 6330 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:07:09,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:13,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:14,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:15,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:17,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:35,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:39,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:43,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:07:46,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:07:46,947 INFO L93 Difference]: Finished difference Result 7031 states and 11051 transitions. [2023-11-29 06:07:46,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:07:46,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2023-11-29 06:07:46,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:07:46,990 INFO L225 Difference]: With dead ends: 7031 [2023-11-29 06:07:46,990 INFO L226 Difference]: Without dead ends: 7028 [2023-11-29 06:07:46,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:07:46,994 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 7853 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 9149 mSolverCounterSat, 5484 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8084 SdHoareTripleChecker+Valid, 2766 SdHoareTripleChecker+Invalid, 14636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5484 IncrementalHoareTripleChecker+Valid, 9149 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:07:46,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8084 Valid, 2766 Invalid, 14636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5484 Valid, 9149 Invalid, 3 Unknown, 0 Unchecked, 37.3s Time] [2023-11-29 06:07:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7028 states. [2023-11-29 06:07:47,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7028 to 4374. [2023-11-29 06:07:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4374 states, 2847 states have (on average 1.3484369511766772) internal successors, (3839), 2930 states have internal predecessors, (3839), 1248 states have call successors, (1248), 279 states have call predecessors, (1248), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-29 06:07:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 4374 states and 6328 transitions. [2023-11-29 06:07:47,354 INFO L78 Accepts]: Start accepts. Automaton has 4374 states and 6328 transitions. Word has length 82 [2023-11-29 06:07:47,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:07:47,354 INFO L495 AbstractCegarLoop]: Abstraction has 4374 states and 6328 transitions. [2023-11-29 06:07:47,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:07:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4374 states and 6328 transitions. [2023-11-29 06:07:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 06:07:47,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:07:47,357 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:07:47,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:07:47,358 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:07:47,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:07:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1214402103, now seen corresponding path program 1 times [2023-11-29 06:07:47,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:07:47,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784460547] [2023-11-29 06:07:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:07:47,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:07:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:07:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:07:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:07:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:07:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:07:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:07:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:07:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:07:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:07:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 06:07:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:07:47,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:07:47,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784460547] [2023-11-29 06:07:47,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784460547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:07:47,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:07:47,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:07:47,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345804851] [2023-11-29 06:07:47,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:07:47,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:07:47,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:07:47,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:07:47,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:07:47,909 INFO L87 Difference]: Start difference. First operand 4374 states and 6328 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:07:49,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:08,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:12,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:16,903 INFO L93 Difference]: Finished difference Result 6840 states and 10659 transitions. [2023-11-29 06:08:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:08:16,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2023-11-29 06:08:16,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:16,938 INFO L225 Difference]: With dead ends: 6840 [2023-11-29 06:08:16,938 INFO L226 Difference]: Without dead ends: 6837 [2023-11-29 06:08:16,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:08:16,945 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 6233 mSDsluCounter, 2580 mSDsCounter, 0 mSdLazyCounter, 10726 mSolverCounterSat, 4898 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6367 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 15626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4898 IncrementalHoareTripleChecker+Valid, 10726 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:16,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6367 Valid, 3474 Invalid, 15626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4898 Valid, 10726 Invalid, 2 Unknown, 0 Unchecked, 28.1s Time] [2023-11-29 06:08:16,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6837 states. [2023-11-29 06:08:17,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6837 to 4373. [2023-11-29 06:08:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4373 states, 2847 states have (on average 1.3477344573234984) internal successors, (3837), 2929 states have internal predecessors, (3837), 1247 states have call successors, (1247), 279 states have call predecessors, (1247), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-29 06:08:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 4373 states and 6325 transitions. [2023-11-29 06:08:17,359 INFO L78 Accepts]: Start accepts. Automaton has 4373 states and 6325 transitions. Word has length 87 [2023-11-29 06:08:17,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:17,359 INFO L495 AbstractCegarLoop]: Abstraction has 4373 states and 6325 transitions. [2023-11-29 06:08:17,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 06:08:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4373 states and 6325 transitions. [2023-11-29 06:08:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 06:08:17,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:17,364 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:08:17,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:08:17,364 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:17,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:17,365 INFO L85 PathProgramCache]: Analyzing trace with hash 767749933, now seen corresponding path program 1 times [2023-11-29 06:08:17,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:17,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367404563] [2023-11-29 06:08:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:08:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:08:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:08:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:08:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:08:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:08:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:08:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:08:17,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:17,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367404563] [2023-11-29 06:08:17,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367404563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:17,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:08:17,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:08:17,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170141455] [2023-11-29 06:08:17,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:17,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:08:17,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:17,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:08:17,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:08:17,888 INFO L87 Difference]: Start difference. First operand 4373 states and 6325 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:08:36,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:40,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:44,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:47,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:47,891 INFO L93 Difference]: Finished difference Result 7029 states and 11046 transitions. [2023-11-29 06:08:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:08:47,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 83 [2023-11-29 06:08:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:47,923 INFO L225 Difference]: With dead ends: 7029 [2023-11-29 06:08:47,923 INFO L226 Difference]: Without dead ends: 7026 [2023-11-29 06:08:47,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:08:47,929 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 8665 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 7495 mSolverCounterSat, 6702 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8906 SdHoareTripleChecker+Valid, 2319 SdHoareTripleChecker+Invalid, 14200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6702 IncrementalHoareTripleChecker+Valid, 7495 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:47,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8906 Valid, 2319 Invalid, 14200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6702 Valid, 7495 Invalid, 3 Unknown, 0 Unchecked, 29.0s Time] [2023-11-29 06:08:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7026 states. [2023-11-29 06:08:48,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7026 to 4372. [2023-11-29 06:08:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 2847 states have (on average 1.347383210396909) internal successors, (3836), 2928 states have internal predecessors, (3836), 1246 states have call successors, (1246), 279 states have call predecessors, (1246), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-29 06:08:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 6323 transitions. [2023-11-29 06:08:48,385 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 6323 transitions. Word has length 83 [2023-11-29 06:08:48,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:48,386 INFO L495 AbstractCegarLoop]: Abstraction has 4372 states and 6323 transitions. [2023-11-29 06:08:48,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:08:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 6323 transitions. [2023-11-29 06:08:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 06:08:48,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:48,391 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:08:48,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:08:48,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:48,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:48,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1970697448, now seen corresponding path program 1 times [2023-11-29 06:08:48,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:48,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677027701] [2023-11-29 06:08:48,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:48,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:08:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:08:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:08:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:08:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:08:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:08:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:08:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:08:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:08:48,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:48,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677027701] [2023-11-29 06:08:48,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677027701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:48,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:08:48,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:08:48,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475636242] [2023-11-29 06:08:48,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:48,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:08:48,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:48,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:08:48,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:08:48,933 INFO L87 Difference]: Start difference. First operand 4372 states and 6323 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:08:52,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:53,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:55,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:09:11,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:09:15,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:09:19,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:09:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:23,210 INFO L93 Difference]: Finished difference Result 7028 states and 11044 transitions. [2023-11-29 06:09:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:09:23,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 84 [2023-11-29 06:09:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:23,241 INFO L225 Difference]: With dead ends: 7028 [2023-11-29 06:09:23,241 INFO L226 Difference]: Without dead ends: 7025 [2023-11-29 06:09:23,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:09:23,247 INFO L413 NwaCegarLoop]: 888 mSDtfsCounter, 9523 mSDsluCounter, 1425 mSDsCounter, 0 mSdLazyCounter, 6806 mSolverCounterSat, 7984 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9764 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 14793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7984 IncrementalHoareTripleChecker+Valid, 6806 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:23,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9764 Valid, 2313 Invalid, 14793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7984 Valid, 6806 Invalid, 3 Unknown, 0 Unchecked, 33.2s Time] [2023-11-29 06:09:23,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7025 states. [2023-11-29 06:09:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7025 to 4371. [2023-11-29 06:09:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4371 states, 2847 states have (on average 1.3470319634703196) internal successors, (3835), 2927 states have internal predecessors, (3835), 1245 states have call successors, (1245), 279 states have call predecessors, (1245), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-29 06:09:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6321 transitions. [2023-11-29 06:09:23,732 INFO L78 Accepts]: Start accepts. Automaton has 4371 states and 6321 transitions. Word has length 84 [2023-11-29 06:09:23,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:23,732 INFO L495 AbstractCegarLoop]: Abstraction has 4371 states and 6321 transitions. [2023-11-29 06:09:23,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:09:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4371 states and 6321 transitions. [2023-11-29 06:09:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 06:09:23,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:23,735 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:23,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:09:23,736 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:23,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:23,736 INFO L85 PathProgramCache]: Analyzing trace with hash 203959579, now seen corresponding path program 1 times [2023-11-29 06:09:23,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:09:23,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596539791] [2023-11-29 06:09:23,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:23,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:09:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:09:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:09:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:09:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:09:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:09:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:09:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:09:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 06:09:24,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:09:24,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596539791] [2023-11-29 06:09:24,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596539791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:24,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:24,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:09:24,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225199294] [2023-11-29 06:09:24,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:24,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:09:24,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:09:24,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:09:24,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:09:24,111 INFO L87 Difference]: Start difference. First operand 4371 states and 6321 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:09:43,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:09:47,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:09:51,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:09:55,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:55,386 INFO L93 Difference]: Finished difference Result 7542 states and 11731 transitions. [2023-11-29 06:09:55,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:09:55,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2023-11-29 06:09:55,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:55,455 INFO L225 Difference]: With dead ends: 7542 [2023-11-29 06:09:55,455 INFO L226 Difference]: Without dead ends: 7505 [2023-11-29 06:09:55,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:09:55,465 INFO L413 NwaCegarLoop]: 892 mSDtfsCounter, 9172 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 7733 mSolverCounterSat, 7053 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9406 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 14789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7053 IncrementalHoareTripleChecker+Valid, 7733 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:55,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9406 Valid, 2327 Invalid, 14789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7053 Valid, 7733 Invalid, 3 Unknown, 0 Unchecked, 30.0s Time] [2023-11-29 06:09:55,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7505 states. [2023-11-29 06:09:56,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7505 to 4726. [2023-11-29 06:09:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4726 states, 3061 states have (on average 1.337798105194381) internal successors, (4095), 3144 states have internal predecessors, (4095), 1328 states have call successors, (1328), 337 states have call predecessors, (1328), 336 states have return successors, (1326), 1304 states have call predecessors, (1326), 1326 states have call successors, (1326) [2023-11-29 06:09:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4726 states to 4726 states and 6749 transitions. [2023-11-29 06:09:56,102 INFO L78 Accepts]: Start accepts. Automaton has 4726 states and 6749 transitions. Word has length 86 [2023-11-29 06:09:56,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:56,102 INFO L495 AbstractCegarLoop]: Abstraction has 4726 states and 6749 transitions. [2023-11-29 06:09:56,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 06:09:56,102 INFO L276 IsEmpty]: Start isEmpty. Operand 4726 states and 6749 transitions. [2023-11-29 06:09:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 06:09:56,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:56,116 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:56,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:09:56,116 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:56,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:56,117 INFO L85 PathProgramCache]: Analyzing trace with hash 871234779, now seen corresponding path program 1 times [2023-11-29 06:09:56,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:09:56,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036746150] [2023-11-29 06:09:56,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:56,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:09:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:09:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:09:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:09:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:09:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:09:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:09:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:09:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:09:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:09:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 06:09:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 06:09:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:09:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 06:09:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 06:09:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 06:09:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 06:09:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 06:09:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 06:09:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-29 06:09:56,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:09:56,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036746150] [2023-11-29 06:09:56,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036746150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:56,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:56,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:09:56,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691068895] [2023-11-29 06:09:56,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:56,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:09:56,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:09:56,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:09:56,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:09:56,766 INFO L87 Difference]: Start difference. First operand 4726 states and 6749 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 06:10:00,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:02,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:05,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:07,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:11,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:21,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:29,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:33,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:39,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:39,242 INFO L93 Difference]: Finished difference Result 7343 states and 11288 transitions. [2023-11-29 06:10:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:10:39,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2023-11-29 06:10:39,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:39,300 INFO L225 Difference]: With dead ends: 7343 [2023-11-29 06:10:39,300 INFO L226 Difference]: Without dead ends: 7340 [2023-11-29 06:10:39,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:10:39,307 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 9008 mSDsluCounter, 2970 mSDsCounter, 0 mSdLazyCounter, 11186 mSolverCounterSat, 7326 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9011 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 18514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7326 IncrementalHoareTripleChecker+Valid, 11186 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:39,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9011 Valid, 3829 Invalid, 18514 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7326 Valid, 11186 Invalid, 2 Unknown, 0 Unchecked, 41.1s Time] [2023-11-29 06:10:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7340 states. [2023-11-29 06:10:39,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7340 to 4725. [2023-11-29 06:10:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4725 states, 3061 states have (on average 1.3371447239464227) internal successors, (4093), 3143 states have internal predecessors, (4093), 1327 states have call successors, (1327), 337 states have call predecessors, (1327), 336 states have return successors, (1326), 1304 states have call predecessors, (1326), 1326 states have call successors, (1326) [2023-11-29 06:10:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4725 states to 4725 states and 6746 transitions. [2023-11-29 06:10:39,800 INFO L78 Accepts]: Start accepts. Automaton has 4725 states and 6746 transitions. Word has length 141 [2023-11-29 06:10:39,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:39,801 INFO L495 AbstractCegarLoop]: Abstraction has 4725 states and 6746 transitions. [2023-11-29 06:10:39,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 06:10:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4725 states and 6746 transitions. [2023-11-29 06:10:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 06:10:39,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:39,811 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:39,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:10:39,812 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:10:39,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:39,812 INFO L85 PathProgramCache]: Analyzing trace with hash 977315799, now seen corresponding path program 1 times [2023-11-29 06:10:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:39,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182458060] [2023-11-29 06:10:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:10:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:10:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:10:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:10:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:10:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:10:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:10:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 06:10:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:10:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:10:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:10:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:10:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 06:10:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:10:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 06:10:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:10:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:10:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 06:10:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 06:10:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 06:10:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 06:10:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 06:10:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 06:10:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-29 06:10:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 06:10:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-29 06:10:40,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:40,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182458060] [2023-11-29 06:10:40,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182458060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:40,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:40,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:10:40,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981932788] [2023-11-29 06:10:40,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:40,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:10:40,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:40,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:10:40,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:10:40,563 INFO L87 Difference]: Start difference. First operand 4725 states and 6746 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:10:42,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:45,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:47,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:49,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:10:51,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:11:11,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:11:15,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:11:20,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:20,999 INFO L93 Difference]: Finished difference Result 7359 states and 11319 transitions. [2023-11-29 06:11:20,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:11:20,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2023-11-29 06:11:21,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:21,001 INFO L225 Difference]: With dead ends: 7359 [2023-11-29 06:11:21,001 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:11:21,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:11:21,035 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 8543 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 10961 mSolverCounterSat, 7010 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8543 SdHoareTripleChecker+Valid, 3841 SdHoareTripleChecker+Invalid, 17973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7010 IncrementalHoareTripleChecker+Valid, 10961 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:21,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8543 Valid, 3841 Invalid, 17973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7010 Valid, 10961 Invalid, 2 Unknown, 0 Unchecked, 38.9s Time] [2023-11-29 06:11:21,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:11:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:11:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:11:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:11:21,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2023-11-29 06:11:21,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:21,037 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:11:21,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 06:11:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:11:21,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:11:21,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:11:21,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:11:21,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:13:20,459 WARN L293 SmtUtils]: Spent 1.99m on a formula simplification. DAG size of input: 89 DAG size of output: 141 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 06:18:36,826 WARN L293 SmtUtils]: Spent 5.27m on a formula simplification. DAG size of input: 92 DAG size of output: 155 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)