./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-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu --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 d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:44,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:44,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:37:44,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:44,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:44,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:44,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:44,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:44,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:37:44,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:37:44,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:44,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:44,850 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:44,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:44,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:37:44,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:44,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:44,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:37:44,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:37:44,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:37:44,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:37:44,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:44,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:44,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:44,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:37:44,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:44,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:44,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:37:44,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:37:44,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:37:44,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:37:44,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:37:44,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:37:44,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:37:44,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:37:44,868 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:37:44,868 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_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 [2023-11-19 07:37:45,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:45,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:45,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:45,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:45,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:45,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2023-11-19 07:37:48,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:49,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:49,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2023-11-19 07:37:49,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/data/05afd04af/ac29b4759c8a4a26bdef2ca8cdb14fa8/FLAG34589bf32 [2023-11-19 07:37:49,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/data/05afd04af/ac29b4759c8a4a26bdef2ca8cdb14fa8 [2023-11-19 07:37:49,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:49,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:49,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:49,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:49,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:49,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:49" (1/1) ... [2023-11-19 07:37:49,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783fedf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:49, skipping insertion in model container [2023-11-19 07:37:49,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:49" (1/1) ... [2023-11-19 07:37:49,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:51,902 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_3ac8565d-f0df-485d-b7fb-11229c92c339/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2023-11-19 07:37:51,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:52,037 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:52,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4080] [2023-11-19 07:37:52,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4087] [2023-11-19 07:37:52,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4094] [2023-11-19 07:37:52,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [4103-4104] [2023-11-19 07:37:52,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4118-4119] [2023-11-19 07:37:52,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4128] [2023-11-19 07:37:52,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4360] [2023-11-19 07:37:52,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4367] [2023-11-19 07:37:52,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/inst/current/envs/linux-4.2-rc1.tar.xz/linux-4.2-rc1/drivers/md/dm-exception-store.h"), "i" (155), "i" (12UL)); [4618-4619] [2023-11-19 07:37:52,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/inst/current/envs/linux-4.2-rc1.tar.xz/linux-4.2-rc1/drivers/md/dm-exception-store.h"), "i" (160), "i" (12UL)); [4635-4636] [2023-11-19 07:37:52,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5331] [2023-11-19 07:37:52,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5518] [2023-11-19 07:37:52,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap.c"), "i" (962), "i" (12UL)); [5655-5656] [2023-11-19 07:37:52,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6059] [2023-11-19 07:37:52,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap.c"), "i" (1347), "i" (12UL)); [6066-6067] [2023-11-19 07:37:52,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [8135] [2023-11-19 07:37:52,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [9032-9033] [2023-11-19 07:37:52,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap-persistent.c"), "i" (406), "i" (12UL)); [9329-9330] [2023-11-19 07:37:52,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap-persistent.c"), "i" (810), "i" (12UL)); [9763-9764] [2023-11-19 07:37:52,590 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_3ac8565d-f0df-485d-b7fb-11229c92c339/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2023-11-19 07:37:52,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:52,883 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:52,891 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:52,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52 WrapperNode [2023-11-19 07:37:52,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:52,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:52,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:52,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:52,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,299 INFO L138 Inliner]: procedures = 381, calls = 2899, calls flagged for inlining = 159, calls inlined = 153, statements flattened = 6960 [2023-11-19 07:37:53,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:53,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:53,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:53,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:53,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:53,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:53,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:53,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:53,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (1/1) ... [2023-11-19 07:37:53,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:53,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:53,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:53,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8565d-f0df-485d-b7fb-11229c92c339/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2023-11-19 07:37:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2023-11-19 07:37:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 07:37:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 07:37:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2023-11-19 07:37:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2023-11-19 07:37:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2023-11-19 07:37:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2023-11-19 07:37:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-11-19 07:37:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-11-19 07:37:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-19 07:37:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-19 07:37:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:37:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:37:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2023-11-19 07:37:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2023-11-19 07:37:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2023-11-19 07:37:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2023-11-19 07:37:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:37:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:37:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:37:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:37:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2023-11-19 07:37:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2023-11-19 07:37:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:37:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:37:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2023-11-19 07:37:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2023-11-19 07:37:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2023-11-19 07:37:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2023-11-19 07:37:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2023-11-19 07:37:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2023-11-19 07:37:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2023-11-19 07:37:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2023-11-19 07:37:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2023-11-19 07:37:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2023-11-19 07:37:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2023-11-19 07:37:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2023-11-19 07:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:37:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:37:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-19 07:37:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-19 07:37:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2023-11-19 07:37:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2023-11-19 07:37:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2023-11-19 07:37:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2023-11-19 07:37:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2023-11-19 07:37:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2023-11-19 07:37:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2023-11-19 07:37:53,729 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2023-11-19 07:37:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2023-11-19 07:37:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2023-11-19 07:37:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2023-11-19 07:37:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2023-11-19 07:37:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2023-11-19 07:37:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2023-11-19 07:37:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2023-11-19 07:37:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2023-11-19 07:37:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-19 07:37:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-19 07:37:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2023-11-19 07:37:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2023-11-19 07:37:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2023-11-19 07:37:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2023-11-19 07:37:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:37:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:37:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:37:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:37:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2023-11-19 07:37:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2023-11-19 07:37:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2023-11-19 07:37:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2023-11-19 07:37:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:37:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:37:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:37:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:37:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2023-11-19 07:37:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2023-11-19 07:37:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2023-11-19 07:37:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2023-11-19 07:37:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:37:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:37:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2023-11-19 07:37:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2023-11-19 07:37:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2023-11-19 07:37:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2023-11-19 07:37:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:37:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:37:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure origin_postsuspend [2023-11-19 07:37:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_postsuspend [2023-11-19 07:37:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2023-11-19 07:37:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2023-11-19 07:37:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:37:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:37:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2023-11-19 07:37:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2023-11-19 07:37:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-19 07:37:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-19 07:37:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2023-11-19 07:37:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2023-11-19 07:37:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2023-11-19 07:37:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2023-11-19 07:37:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2023-11-19 07:37:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2023-11-19 07:37:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-11-19 07:37:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-11-19 07:37:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2023-11-19 07:37:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2023-11-19 07:37:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:37:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:37:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:37:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2023-11-19 07:37:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2023-11-19 07:37:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2023-11-19 07:37:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2023-11-19 07:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2023-11-19 07:37:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2023-11-19 07:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-19 07:37:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-19 07:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2023-11-19 07:37:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2023-11-19 07:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2023-11-19 07:37:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2023-11-19 07:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2023-11-19 07:37:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2023-11-19 07:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2023-11-19 07:37:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2023-11-19 07:37:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2023-11-19 07:37:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2023-11-19 07:37:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2023-11-19 07:37:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2023-11-19 07:37:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:37:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2023-11-19 07:37:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2023-11-19 07:37:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2023-11-19 07:37:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2023-11-19 07:37:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:37:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:37:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2023-11-19 07:37:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2023-11-19 07:37:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:37:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:37:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:37:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:37:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2023-11-19 07:37:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2023-11-19 07:37:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2023-11-19 07:37:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2023-11-19 07:37:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2023-11-19 07:37:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2023-11-19 07:37:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2023-11-19 07:37:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2023-11-19 07:37:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2023-11-19 07:37:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2023-11-19 07:37:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-19 07:37:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-19 07:37:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:37:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:37:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2023-11-19 07:37:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2023-11-19 07:37:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2023-11-19 07:37:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2023-11-19 07:37:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:37:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:37:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2023-11-19 07:37:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2023-11-19 07:37:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2023-11-19 07:37:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2023-11-19 07:37:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2023-11-19 07:37:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2023-11-19 07:37:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:37:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:37:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:37:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:37:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2023-11-19 07:37:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2023-11-19 07:37:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:37:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:37:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2023-11-19 07:37:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2023-11-19 07:37:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:37:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2023-11-19 07:37:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2023-11-19 07:37:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2023-11-19 07:37:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2023-11-19 07:37:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2023-11-19 07:37:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2023-11-19 07:37:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2023-11-19 07:37:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2023-11-19 07:37:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2023-11-19 07:37:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2023-11-19 07:37:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:37:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:37:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2023-11-19 07:37:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2023-11-19 07:37:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-11-19 07:37:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-11-19 07:37:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:37:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:37:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:37:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2023-11-19 07:37:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2023-11-19 07:37:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:37:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-19 07:37:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-19 07:37:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2023-11-19 07:37:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2023-11-19 07:37:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2023-11-19 07:37:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2023-11-19 07:37:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2023-11-19 07:37:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2023-11-19 07:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2023-11-19 07:37:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2023-11-19 07:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:37:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:37:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2023-11-19 07:37:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2023-11-19 07:37:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2023-11-19 07:37:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2023-11-19 07:37:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2023-11-19 07:37:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2023-11-19 07:37:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2023-11-19 07:37:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2023-11-19 07:37:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:37:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:37:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2023-11-19 07:37:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2023-11-19 07:37:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2023-11-19 07:37:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2023-11-19 07:37:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 07:37:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 07:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2023-11-19 07:37:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2023-11-19 07:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:37:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2023-11-19 07:37:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2023-11-19 07:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2023-11-19 07:37:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2023-11-19 07:37:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2023-11-19 07:37:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2023-11-19 07:37:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:37:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2023-11-19 07:37:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2023-11-19 07:37:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2023-11-19 07:37:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2023-11-19 07:37:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2023-11-19 07:37:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2023-11-19 07:37:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2023-11-19 07:37:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2023-11-19 07:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:37:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:37:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2023-11-19 07:37:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2023-11-19 07:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2023-11-19 07:37:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2023-11-19 07:37:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2023-11-19 07:37:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2023-11-19 07:37:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:37:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:37:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2023-11-19 07:37:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2023-11-19 07:37:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2023-11-19 07:37:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2023-11-19 07:37:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2023-11-19 07:37:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2023-11-19 07:37:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2023-11-19 07:37:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2023-11-19 07:37:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure skip_metadata [2023-11-19 07:37:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_metadata [2023-11-19 07:37:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:37:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2023-11-19 07:37:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2023-11-19 07:37:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2023-11-19 07:37:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2023-11-19 07:37:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-19 07:37:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:37:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:37:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-19 07:37:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-19 07:37:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2023-11-19 07:37:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2023-11-19 07:37:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2023-11-19 07:37:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2023-11-19 07:37:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:37:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:37:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2023-11-19 07:37:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2023-11-19 07:37:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2023-11-19 07:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2023-11-19 07:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2023-11-19 07:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2023-11-19 07:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2023-11-19 07:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2023-11-19 07:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2023-11-19 07:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2023-11-19 07:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2023-11-19 07:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2023-11-19 07:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2023-11-19 07:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2023-11-19 07:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:37:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2023-11-19 07:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2023-11-19 07:37:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-19 07:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-19 07:37:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:37:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-19 07:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-19 07:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2023-11-19 07:37:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2023-11-19 07:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 07:37:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 07:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2023-11-19 07:37:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2023-11-19 07:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2023-11-19 07:37:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2023-11-19 07:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2023-11-19 07:37:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2023-11-19 07:37:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2023-11-19 07:37:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2023-11-19 07:37:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2023-11-19 07:37:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2023-11-19 07:37:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2023-11-19 07:37:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2023-11-19 07:37:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2023-11-19 07:37:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2023-11-19 07:37:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-19 07:37:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-19 07:37:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:37:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:37:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:37:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:37:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2023-11-19 07:37:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2023-11-19 07:37:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2023-11-19 07:37:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2023-11-19 07:37:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2023-11-19 07:37:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2023-11-19 07:37:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2023-11-19 07:37:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2023-11-19 07:37:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2023-11-19 07:37:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2023-11-19 07:37:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:37:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2023-11-19 07:37:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2023-11-19 07:37:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-11-19 07:37:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-11-19 07:37:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2023-11-19 07:37:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2023-11-19 07:37:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2023-11-19 07:37:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2023-11-19 07:37:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:37:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:37:54,857 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:54,864 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:55,107 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:38:04,584 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:04,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:04,610 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:38:04,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:04 BoogieIcfgContainer [2023-11-19 07:38:04,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:04,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:04,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:04,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:04,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:49" (1/3) ... [2023-11-19 07:38:04,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a7bc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:04, skipping insertion in model container [2023-11-19 07:38:04,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:52" (2/3) ... [2023-11-19 07:38:04,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a7bc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:04, skipping insertion in model container [2023-11-19 07:38:04,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:04" (3/3) ... [2023-11-19 07:38:04,637 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2023-11-19 07:38:04,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:04,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:04,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:04,792 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;@384321fb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:04,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:04,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 2951 states, 1958 states have (on average 1.3263534218590398) internal successors, (2597), 2023 states have internal predecessors, (2597), 815 states have call successors, (815), 177 states have call predecessors, (815), 176 states have return successors, (806), 783 states have call predecessors, (806), 806 states have call successors, (806) [2023-11-19 07:38:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2023-11-19 07:38:04,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:04,848 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:04,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:04,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:04,855 INFO L85 PathProgramCache]: Analyzing trace with hash -866092531, now seen corresponding path program 1 times [2023-11-19 07:38:04,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:04,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988050716] [2023-11-19 07:38:04,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:04,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:38:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:38:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:38:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:38:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:38:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:38:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:38:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:38:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:38:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-19 07:38:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-19 07:38:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-19 07:38:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-19 07:38:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-19 07:38:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-11-19 07:38:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-19 07:38:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-19 07:38:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-19 07:38:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-19 07:38:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-19 07:38:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-11-19 07:38:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-19 07:38:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-19 07:38:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-11-19 07:38:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-11-19 07:38:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2023-11-19 07:38:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-11-19 07:38:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2023-11-19 07:38:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-11-19 07:38:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2023-11-19 07:38:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2023-11-19 07:38:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2023-11-19 07:38:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2023-11-19 07:38:07,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:07,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988050716] [2023-11-19 07:38:07,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988050716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:07,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:07,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:07,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807453521] [2023-11-19 07:38:07,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:07,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:07,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:07,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:07,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:07,263 INFO L87 Difference]: Start difference. First operand has 2951 states, 1958 states have (on average 1.3263534218590398) internal successors, (2597), 2023 states have internal predecessors, (2597), 815 states have call successors, (815), 177 states have call predecessors, (815), 176 states have return successors, (806), 783 states have call predecessors, (806), 806 states have call successors, (806) Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-19 07:38:15,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:38:17,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:38:19,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:38:23,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:23,149 INFO L93 Difference]: Finished difference Result 6192 states and 9210 transitions. [2023-11-19 07:38:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:23,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 474 [2023-11-19 07:38:23,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:23,232 INFO L225 Difference]: With dead ends: 6192 [2023-11-19 07:38:23,232 INFO L226 Difference]: Without dead ends: 3216 [2023-11-19 07:38:23,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:23,272 INFO L413 NwaCegarLoop]: 3279 mSDtfsCounter, 2665 mSDsluCounter, 1866 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 3166 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 5145 SdHoareTripleChecker+Invalid, 5132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3166 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:23,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 5145 Invalid, 5132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3166 Valid, 1963 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2023-11-19 07:38:23,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3216 states. [2023-11-19 07:38:23,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3216 to 2921. [2023-11-19 07:38:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 1946 states have (on average 1.3186022610483041) internal successors, (2566), 2000 states have internal predecessors, (2566), 799 states have call successors, (799), 176 states have call predecessors, (799), 175 states have return successors, (797), 774 states have call predecessors, (797), 797 states have call successors, (797) [2023-11-19 07:38:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 4162 transitions. [2023-11-19 07:38:23,650 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 4162 transitions. Word has length 474 [2023-11-19 07:38:23,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:23,653 INFO L495 AbstractCegarLoop]: Abstraction has 2921 states and 4162 transitions. [2023-11-19 07:38:23,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-19 07:38:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 4162 transitions. [2023-11-19 07:38:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2023-11-19 07:38:23,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:23,672 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:23,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:23,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:23,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:23,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1152474579, now seen corresponding path program 1 times [2023-11-19 07:38:23,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:23,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346525921] [2023-11-19 07:38:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:38:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:38:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:38:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:38:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:38:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:38:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:38:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:38:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:38:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:38:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-19 07:38:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-19 07:38:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-19 07:38:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-19 07:38:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-19 07:38:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:38:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-11-19 07:38:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-19 07:38:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-19 07:38:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-19 07:38:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-19 07:38:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-19 07:38:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-11-19 07:38:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-19 07:38:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-19 07:38:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-11-19 07:38:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-11-19 07:38:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2023-11-19 07:38:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-11-19 07:38:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2023-11-19 07:38:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-11-19 07:38:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2023-11-19 07:38:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2023-11-19 07:38:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2023-11-19 07:38:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2023-11-19 07:38:25,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:25,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346525921] [2023-11-19 07:38:25,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346525921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:25,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:25,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:38:25,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626910567] [2023-11-19 07:38:25,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:25,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:25,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:25,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:25,456 INFO L87 Difference]: Start difference. First operand 2921 states and 4162 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-19 07:38:29,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 07:38:31,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 07:38:33,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 07:38:35,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []