./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1-todo/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1-todo/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 21:15:38,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 21:15:38,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 21:15:38,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 21:15:38,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 21:15:39,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 21:15:39,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 21:15:39,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 21:15:39,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 21:15:39,006 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 21:15:39,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 21:15:39,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 21:15:39,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 21:15:39,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 21:15:39,008 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 21:15:39,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 21:15:39,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 21:15:39,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 21:15:39,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 21:15:39,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 21:15:39,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 21:15:39,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 21:15:39,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 21:15:39,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 21:15:39,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 21:15:39,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 21:15:39,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 21:15:39,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 21:15:39,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 21:15:39,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 21:15:39,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 21:15:39,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 21:15:39,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 21:15:39,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 21:15:39,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 21:15:39,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 21:15:39,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 21:15:39,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 21:15:39,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 21:15:39,015 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 21:15:39,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 21:15:39,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 21:15:39,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 21:15:39,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 21:15:39,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 21:15:39,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1-todo/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2023-11-22 21:15:40,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 21:15:40,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 21:15:40,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1-todo/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2023-11-22 21:15:40,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f6edd73/930718992caa4b7380be3419cb310ce0/FLAG051a07bbf [2023-11-22 21:15:40,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f6edd73/930718992caa4b7380be3419cb310ce0 [2023-11-22 21:15:40,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 21:15:40,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 21:15:40,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 21:15:40,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 21:15:40,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 21:15:40,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:15:40" (1/1) ... [2023-11-22 21:15:40,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b43199f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:40, skipping insertion in model container [2023-11-22 21:15:40,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:15:40" (1/1) ... [2023-11-22 21:15:40,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 21:15:43,708 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1-todo/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2023-11-22 21:15:43,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 21:15:43,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 21:15:43,893 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"); [4282] [2023-11-22 21:15:43,894 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)); [4289] [2023-11-22 21:15:43,894 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"); [4297-4298] [2023-11-22 21:15:43,895 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [4306-4307] [2023-11-22 21:15:43,895 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)); [4315-4316] [2023-11-22 21:15:43,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "rm" (word)); [4323] [2023-11-22 21:15:43,897 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)); [4436] [2023-11-22 21:15:43,897 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)); [4443] [2023-11-22 21:15:43,897 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"); [4451-4452] [2023-11-22 21:15:43,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4463-4464] [2023-11-22 21:15:43,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4467-4468] [2023-11-22 21:15:43,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4471-4472] [2023-11-22 21:15:43,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4475-4476] [2023-11-22 21:15:43,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (469), "i" (12UL)); [5413-5414] [2023-11-22 21:15:43,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (491), "i" (12UL)); [5436-5437] [2023-11-22 21:15:43,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (509), "i" (12UL)); [5453-5454] [2023-11-22 21:15:43,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (643), "i" (12UL)); [5643-5644] [2023-11-22 21:15:43,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (746), "i" (12UL)); [5779-5780] [2023-11-22 21:15:43,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (849), "i" (12UL)); [5942-5943] [2023-11-22 21:15:43,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (850), "i" (12UL)); [5951-5952] [2023-11-22 21:15:43,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (1611), "i" (12UL)); [6987-6988] [2023-11-22 21:15:43,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/08_1a/drivers/md/dm-cache-target.c"), "i" (1780), "i" (12UL)); [7181-7182] [2023-11-22 21:15:44,153 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1-todo/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2023-11-22 21:15:44,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 21:15:44,323 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 21:15:44,323 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 21:15:44,323 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 21:15:44,323 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 21:15:44,329 INFO L206 MainTranslator]: Completed translation [2023-11-22 21:15:44,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44 WrapperNode [2023-11-22 21:15:44,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 21:15:44,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 21:15:44,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 21:15:44,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 21:15:44,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,717 INFO L138 Inliner]: procedures = 595, calls = 4026, calls flagged for inlining = 266, calls inlined = 259, statements flattened = 10084 [2023-11-22 21:15:44,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 21:15:44,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 21:15:44,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 21:15:44,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 21:15:44,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:44,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 21:15:44,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 21:15:44,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 21:15:44,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 21:15:44,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (1/1) ... [2023-11-22 21:15:45,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 21:15:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 21:15:45,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 21:15:45,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 21:15:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2023-11-22 21:15:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2023-11-22 21:15:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2023-11-22 21:15:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2023-11-22 21:15:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-22 21:15:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-22 21:15:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2023-11-22 21:15:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2023-11-22 21:15:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-22 21:15:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-22 21:15:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2023-11-22 21:15:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2023-11-22 21:15:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2023-11-22 21:15:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2023-11-22 21:15:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-22 21:15:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2023-11-22 21:15:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2023-11-22 21:15:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-22 21:15:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-22 21:15:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2023-11-22 21:15:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2023-11-22 21:15:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-22 21:15:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-22 21:15:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2023-11-22 21:15:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2023-11-22 21:15:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2023-11-22 21:15:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2023-11-22 21:15:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2023-11-22 21:15:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2023-11-22 21:15:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-22 21:15:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-22 21:15:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2023-11-22 21:15:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2023-11-22 21:15:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2023-11-22 21:15:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2023-11-22 21:15:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 21:15:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 21:15:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2023-11-22 21:15:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2023-11-22 21:15:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2023-11-22 21:15:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2023-11-22 21:15:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-22 21:15:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-22 21:15:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2023-11-22 21:15:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2023-11-22 21:15:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2023-11-22 21:15:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2023-11-22 21:15:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2023-11-22 21:15:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-22 21:15:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-22 21:15:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-22 21:15:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-22 21:15:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2023-11-22 21:15:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2023-11-22 21:15:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2023-11-22 21:15:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2023-11-22 21:15:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-22 21:15:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-22 21:15:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2023-11-22 21:15:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2023-11-22 21:15:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2023-11-22 21:15:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2023-11-22 21:15:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-22 21:15:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-22 21:15:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2023-11-22 21:15:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2023-11-22 21:15:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2023-11-22 21:15:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2023-11-22 21:15:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2023-11-22 21:15:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2023-11-22 21:15:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2023-11-22 21:15:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2023-11-22 21:15:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2023-11-22 21:15:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2023-11-22 21:15:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2023-11-22 21:15:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2023-11-22 21:15:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-22 21:15:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-22 21:15:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2023-11-22 21:15:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2023-11-22 21:15:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-22 21:15:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2023-11-22 21:15:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2023-11-22 21:15:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2023-11-22 21:15:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2023-11-22 21:15:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2023-11-22 21:15:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2023-11-22 21:15:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2023-11-22 21:15:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2023-11-22 21:15:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-22 21:15:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-22 21:15:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-22 21:15:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2023-11-22 21:15:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2023-11-22 21:15:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2023-11-22 21:15:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2023-11-22 21:15:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 21:15:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 21:15:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-22 21:15:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-22 21:15:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2023-11-22 21:15:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2023-11-22 21:15:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 21:15:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2023-11-22 21:15:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2023-11-22 21:15:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2023-11-22 21:15:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2023-11-22 21:15:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-22 21:15:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-22 21:15:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2023-11-22 21:15:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2023-11-22 21:15:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2023-11-22 21:15:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2023-11-22 21:15:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-22 21:15:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-22 21:15:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2023-11-22 21:15:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2023-11-22 21:15:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-22 21:15:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2023-11-22 21:15:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2023-11-22 21:15:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2023-11-22 21:15:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2023-11-22 21:15:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-22 21:15:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-22 21:15:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2023-11-22 21:15:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2023-11-22 21:15:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2023-11-22 21:15:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2023-11-22 21:15:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-22 21:15:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2023-11-22 21:15:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2023-11-22 21:15:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2023-11-22 21:15:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2023-11-22 21:15:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2023-11-22 21:15:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2023-11-22 21:15:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2023-11-22 21:15:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2023-11-22 21:15:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 21:15:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2023-11-22 21:15:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2023-11-22 21:15:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2023-11-22 21:15:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2023-11-22 21:15:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-22 21:15:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-22 21:15:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2023-11-22 21:15:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2023-11-22 21:15:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2023-11-22 21:15:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2023-11-22 21:15:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2023-11-22 21:15:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2023-11-22 21:15:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-22 21:15:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-22 21:15:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2023-11-22 21:15:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2023-11-22 21:15:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2023-11-22 21:15:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2023-11-22 21:15:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-22 21:15:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-22 21:15:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2023-11-22 21:15:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2023-11-22 21:15:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2023-11-22 21:15:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2023-11-22 21:15:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2023-11-22 21:15:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2023-11-22 21:15:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-22 21:15:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-22 21:15:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2023-11-22 21:15:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2023-11-22 21:15:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2023-11-22 21:15:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2023-11-22 21:15:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2023-11-22 21:15:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2023-11-22 21:15:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 21:15:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-22 21:15:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-22 21:15:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2023-11-22 21:15:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2023-11-22 21:15:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-22 21:15:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-22 21:15:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 21:15:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2023-11-22 21:15:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2023-11-22 21:15:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2023-11-22 21:15:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2023-11-22 21:15:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2023-11-22 21:15:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2023-11-22 21:15:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-22 21:15:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-22 21:15:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-22 21:15:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2023-11-22 21:15:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2023-11-22 21:15:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-22 21:15:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-22 21:15:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2023-11-22 21:15:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2023-11-22 21:15:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2023-11-22 21:15:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2023-11-22 21:15:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2023-11-22 21:15:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2023-11-22 21:15:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-22 21:15:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-22 21:15:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2023-11-22 21:15:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2023-11-22 21:15:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2023-11-22 21:15:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2023-11-22 21:15:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-22 21:15:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-22 21:15:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2023-11-22 21:15:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2023-11-22 21:15:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2023-11-22 21:15:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2023-11-22 21:15:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-22 21:15:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-22 21:15:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2023-11-22 21:15:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2023-11-22 21:15:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2023-11-22 21:15:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2023-11-22 21:15:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2023-11-22 21:15:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2023-11-22 21:15:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2023-11-22 21:15:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2023-11-22 21:15:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2023-11-22 21:15:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2023-11-22 21:15:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-22 21:15:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-22 21:15:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2023-11-22 21:15:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2023-11-22 21:15:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-22 21:15:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-22 21:15:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-22 21:15:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-22 21:15:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2023-11-22 21:15:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2023-11-22 21:15:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2023-11-22 21:15:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2023-11-22 21:15:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2023-11-22 21:15:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2023-11-22 21:15:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2023-11-22 21:15:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2023-11-22 21:15:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-22 21:15:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-22 21:15:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2023-11-22 21:15:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2023-11-22 21:15:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 21:15:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 21:15:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2023-11-22 21:15:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2023-11-22 21:15:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-22 21:15:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-22 21:15:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2023-11-22 21:15:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2023-11-22 21:15:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2023-11-22 21:15:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2023-11-22 21:15:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2023-11-22 21:15:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2023-11-22 21:15:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-11-22 21:15:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-11-22 21:15:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2023-11-22 21:15:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2023-11-22 21:15:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2023-11-22 21:15:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2023-11-22 21:15:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2023-11-22 21:15:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2023-11-22 21:15:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-22 21:15:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-22 21:15:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 21:15:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 21:15:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2023-11-22 21:15:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2023-11-22 21:15:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2023-11-22 21:15:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2023-11-22 21:15:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2023-11-22 21:15:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2023-11-22 21:15:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2023-11-22 21:15:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2023-11-22 21:15:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2023-11-22 21:15:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2023-11-22 21:15:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2023-11-22 21:15:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2023-11-22 21:15:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2023-11-22 21:15:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2023-11-22 21:15:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2023-11-22 21:15:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2023-11-22 21:15:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-22 21:15:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-22 21:15:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2023-11-22 21:15:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2023-11-22 21:15:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2023-11-22 21:15:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2023-11-22 21:15:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2023-11-22 21:15:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2023-11-22 21:15:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2023-11-22 21:15:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2023-11-22 21:15:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-22 21:15:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-22 21:15:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2023-11-22 21:15:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2023-11-22 21:15:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-22 21:15:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-22 21:15:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-22 21:15:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-22 21:15:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2023-11-22 21:15:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2023-11-22 21:15:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-22 21:15:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-22 21:15:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-22 21:15:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-22 21:15:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2023-11-22 21:15:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2023-11-22 21:15:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-22 21:15:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-22 21:15:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2023-11-22 21:15:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2023-11-22 21:15:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2023-11-22 21:15:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2023-11-22 21:15:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2023-11-22 21:15:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2023-11-22 21:15:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2023-11-22 21:15:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2023-11-22 21:15:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-22 21:15:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-22 21:15:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2023-11-22 21:15:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2023-11-22 21:15:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2023-11-22 21:15:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2023-11-22 21:15:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2023-11-22 21:15:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2023-11-22 21:15:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-11-22 21:15:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-11-22 21:15:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-22 21:15:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-22 21:15:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 21:15:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-22 21:15:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-22 21:15:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-22 21:15:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-22 21:15:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2023-11-22 21:15:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2023-11-22 21:15:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 21:15:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2023-11-22 21:15:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2023-11-22 21:15:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-22 21:15:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-22 21:15:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2023-11-22 21:15:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2023-11-22 21:15:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2023-11-22 21:15:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2023-11-22 21:15:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-22 21:15:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-22 21:15:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2023-11-22 21:15:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2023-11-22 21:15:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2023-11-22 21:15:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2023-11-22 21:15:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2023-11-22 21:15:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2023-11-22 21:15:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 21:15:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2023-11-22 21:15:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2023-11-22 21:15:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-22 21:15:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-22 21:15:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2023-11-22 21:15:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2023-11-22 21:15:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-22 21:15:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-22 21:15:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-22 21:15:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-22 21:15:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-22 21:15:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-22 21:15:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2023-11-22 21:15:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2023-11-22 21:15:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-22 21:15:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-22 21:15:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-22 21:15:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-22 21:15:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2023-11-22 21:15:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2023-11-22 21:15:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2023-11-22 21:15:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2023-11-22 21:15:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2023-11-22 21:15:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2023-11-22 21:15:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-22 21:15:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-22 21:15:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2023-11-22 21:15:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2023-11-22 21:15:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2023-11-22 21:15:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2023-11-22 21:15:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2023-11-22 21:15:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2023-11-22 21:15:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-11-22 21:15:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-11-22 21:15:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2023-11-22 21:15:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2023-11-22 21:15:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-22 21:15:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-22 21:15:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2023-11-22 21:15:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2023-11-22 21:15:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2023-11-22 21:15:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2023-11-22 21:15:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2023-11-22 21:15:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2023-11-22 21:15:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2023-11-22 21:15:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2023-11-22 21:15:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2023-11-22 21:15:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2023-11-22 21:15:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2023-11-22 21:15:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2023-11-22 21:15:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2023-11-22 21:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2023-11-22 21:15:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2023-11-22 21:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2023-11-22 21:15:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2023-11-22 21:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2023-11-22 21:15:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-22 21:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-22 21:15:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2023-11-22 21:15:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2023-11-22 21:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2023-11-22 21:15:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-22 21:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-22 21:15:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2023-11-22 21:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2023-11-22 21:15:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 21:15:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2023-11-22 21:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2023-11-22 21:15:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2023-11-22 21:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2023-11-22 21:15:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 21:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 21:15:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2023-11-22 21:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2023-11-22 21:15:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-22 21:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-22 21:15:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2023-11-22 21:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2023-11-22 21:15:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2023-11-22 21:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2023-11-22 21:15:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-22 21:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-22 21:15:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2023-11-22 21:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2023-11-22 21:15:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2023-11-22 21:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2023-11-22 21:15:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2023-11-22 21:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2023-11-22 21:15:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2023-11-22 21:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2023-11-22 21:15:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2023-11-22 21:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2023-11-22 21:15:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2023-11-22 21:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2023-11-22 21:15:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2023-11-22 21:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2023-11-22 21:15:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2023-11-22 21:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2023-11-22 21:15:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-22 21:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-22 21:15:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-22 21:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-22 21:15:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2023-11-22 21:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2023-11-22 21:15:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2023-11-22 21:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2023-11-22 21:15:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-22 21:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-22 21:15:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2023-11-22 21:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2023-11-22 21:15:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2023-11-22 21:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2023-11-22 21:15:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2023-11-22 21:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2023-11-22 21:15:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-22 21:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-22 21:15:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2023-11-22 21:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2023-11-22 21:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-22 21:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-22 21:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2023-11-22 21:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2023-11-22 21:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2023-11-22 21:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2023-11-22 21:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2023-11-22 21:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2023-11-22 21:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2023-11-22 21:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2023-11-22 21:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2023-11-22 21:15:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2023-11-22 21:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2023-11-22 21:15:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2023-11-22 21:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2023-11-22 21:15:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2023-11-22 21:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2023-11-22 21:15:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-22 21:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-22 21:15:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-22 21:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-22 21:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2023-11-22 21:15:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2023-11-22 21:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2023-11-22 21:15:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2023-11-22 21:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2023-11-22 21:15:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2023-11-22 21:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2023-11-22 21:15:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2023-11-22 21:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 21:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2023-11-22 21:15:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2023-11-22 21:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2023-11-22 21:15:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2023-11-22 21:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-11-22 21:15:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-11-22 21:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-22 21:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2023-11-22 21:15:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2023-11-22 21:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2023-11-22 21:15:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2023-11-22 21:15:46,193 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 21:15:46,196 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 21:15:46,738 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 21:15:53,376 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 21:15:53,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 21:15:53,661 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-22 21:15:53,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:15:53 BoogieIcfgContainer [2023-11-22 21:15:53,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 21:15:53,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 21:15:53,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 21:15:53,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 21:15:53,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:15:40" (1/3) ... [2023-11-22 21:15:53,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ea4a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:15:53, skipping insertion in model container [2023-11-22 21:15:53,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:15:44" (2/3) ... [2023-11-22 21:15:53,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ea4a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:15:53, skipping insertion in model container [2023-11-22 21:15:53,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:15:53" (3/3) ... [2023-11-22 21:15:53,677 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2023-11-22 21:15:53,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 21:15:53,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 21:15:53,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 21:15:53,782 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;@349e8503, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 21:15:53,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 21:15:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 3708 states, 2259 states have (on average 1.3160690571049136) internal successors, (2973), 2342 states have internal predecessors, (2973), 1202 states have call successors, (1202), 246 states have call predecessors, (1202), 245 states have return successors, (1196), 1167 states have call predecessors, (1196), 1196 states have call successors, (1196) [2023-11-22 21:15:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-22 21:15:53,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:15:53,821 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:15:53,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:15:53,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:15:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1619612688, now seen corresponding path program 1 times [2023-11-22 21:15:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:15:53,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222973827] [2023-11-22 21:15:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:15:53,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:15:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:15:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:15:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:15:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:15:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:15:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:15:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:15:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:15:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:15:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:15:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:15:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:15:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:15:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:15:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:15:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:15:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:15:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:15:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-22 21:15:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:15:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2023-11-22 21:15:55,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:15:55,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222973827] [2023-11-22 21:15:55,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222973827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:15:55,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 21:15:55,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 21:15:55,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104119852] [2023-11-22 21:15:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:15:55,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 21:15:55,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:15:55,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 21:15:55,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-22 21:15:55,100 INFO L87 Difference]: Start difference. First operand has 3708 states, 2259 states have (on average 1.3160690571049136) internal successors, (2973), 2342 states have internal predecessors, (2973), 1202 states have call successors, (1202), 246 states have call predecessors, (1202), 245 states have return successors, (1196), 1167 states have call predecessors, (1196), 1196 states have call successors, (1196) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 21:16:07,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 21:16:07,670 INFO L93 Difference]: Finished difference Result 8073 states and 12165 transitions. [2023-11-22 21:16:07,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 21:16:07,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 214 [2023-11-22 21:16:07,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 21:16:07,730 INFO L225 Difference]: With dead ends: 8073 [2023-11-22 21:16:07,731 INFO L226 Difference]: Without dead ends: 4350 [2023-11-22 21:16:07,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-22 21:16:07,757 INFO L413 NwaCegarLoop]: 3941 mSDtfsCounter, 3791 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 3208 mSolverCounterSat, 5255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 5860 SdHoareTripleChecker+Invalid, 8463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5255 IncrementalHoareTripleChecker+Valid, 3208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-11-22 21:16:07,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 5860 Invalid, 8463 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5255 Valid, 3208 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2023-11-22 21:16:07,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2023-11-22 21:16:07,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 3690. [2023-11-22 21:16:07,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3690 states, 2249 states have (on average 1.3090262338817251) internal successors, (2944), 2324 states have internal predecessors, (2944), 1196 states have call successors, (1196), 245 states have call predecessors, (1196), 244 states have return successors, (1194), 1165 states have call predecessors, (1194), 1194 states have call successors, (1194) [2023-11-22 21:16:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3690 states and 5334 transitions. [2023-11-22 21:16:07,986 INFO L78 Accepts]: Start accepts. Automaton has 3690 states and 5334 transitions. Word has length 214 [2023-11-22 21:16:07,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 21:16:07,987 INFO L495 AbstractCegarLoop]: Abstraction has 3690 states and 5334 transitions. [2023-11-22 21:16:07,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 21:16:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 5334 transitions. [2023-11-22 21:16:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-22 21:16:07,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:16:07,995 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:16:07,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 21:16:07,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:16:07,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:16:07,996 INFO L85 PathProgramCache]: Analyzing trace with hash 43464482, now seen corresponding path program 1 times [2023-11-22 21:16:07,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:16:07,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40633138] [2023-11-22 21:16:07,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:16:07,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:16:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:16:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:16:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:16:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:16:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:16:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:16:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:16:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:16:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:16:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:16:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:16:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:16:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:16:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:16:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:16:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:16:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-22 21:16:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2023-11-22 21:16:08,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:16:08,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40633138] [2023-11-22 21:16:08,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40633138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:16:08,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 21:16:08,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 21:16:08,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885322167] [2023-11-22 21:16:08,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:16:08,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 21:16:08,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:16:08,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 21:16:08,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-22 21:16:08,691 INFO L87 Difference]: Start difference. First operand 3690 states and 5334 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 21:16:13,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:16:17,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:16:28,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:16:29,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 21:16:29,468 INFO L93 Difference]: Finished difference Result 12290 states and 18161 transitions. [2023-11-22 21:16:29,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 21:16:29,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 214 [2023-11-22 21:16:29,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 21:16:29,510 INFO L225 Difference]: With dead ends: 12290 [2023-11-22 21:16:29,511 INFO L226 Difference]: Without dead ends: 8635 [2023-11-22 21:16:29,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-22 21:16:29,524 INFO L413 NwaCegarLoop]: 3895 mSDtfsCounter, 11993 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 5408 mSolverCounterSat, 11453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12799 SdHoareTripleChecker+Valid, 9111 SdHoareTripleChecker+Invalid, 16861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11453 IncrementalHoareTripleChecker+Valid, 5408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2023-11-22 21:16:29,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12799 Valid, 9111 Invalid, 16861 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11453 Valid, 5408 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2023-11-22 21:16:29,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2023-11-22 21:16:29,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 7312. [2023-11-22 21:16:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7312 states, 4461 states have (on average 1.3100201748486886) internal successors, (5844), 4610 states have internal predecessors, (5844), 2364 states have call successors, (2364), 487 states have call predecessors, (2364), 486 states have return successors, (2362), 2304 states have call predecessors, (2362), 2362 states have call successors, (2362) [2023-11-22 21:16:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 10570 transitions. [2023-11-22 21:16:29,791 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 10570 transitions. Word has length 214 [2023-11-22 21:16:29,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 21:16:29,792 INFO L495 AbstractCegarLoop]: Abstraction has 7312 states and 10570 transitions. [2023-11-22 21:16:29,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 21:16:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 10570 transitions. [2023-11-22 21:16:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-22 21:16:29,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:16:29,796 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:16:29,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 21:16:29,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:16:29,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:16:29,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1598498614, now seen corresponding path program 1 times [2023-11-22 21:16:29,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:16:29,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479189932] [2023-11-22 21:16:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:16:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:16:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:16:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:16:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:16:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:16:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:16:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:16:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:16:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:16:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:16:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:16:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:16:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:16:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:16:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:16:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:16:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:16:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:16:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:16:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 21:16:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:16:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2023-11-22 21:16:30,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:16:30,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479189932] [2023-11-22 21:16:30,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479189932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:16:30,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 21:16:30,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 21:16:30,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636733075] [2023-11-22 21:16:30,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:16:30,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 21:16:30,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:16:30,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 21:16:30,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-22 21:16:30,388 INFO L87 Difference]: Start difference. First operand 7312 states and 10570 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 21:16:39,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:16:42,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:16:59,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:17:03,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 21:17:03,726 INFO L93 Difference]: Finished difference Result 24503 states and 36445 transitions. [2023-11-22 21:17:03,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 21:17:03,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 218 [2023-11-22 21:17:03,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 21:17:03,824 INFO L225 Difference]: With dead ends: 24503 [2023-11-22 21:17:03,824 INFO L226 Difference]: Without dead ends: 17220 [2023-11-22 21:17:03,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-22 21:17:03,858 INFO L413 NwaCegarLoop]: 4307 mSDtfsCounter, 9336 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 8622 mSolverCounterSat, 7672 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10128 SdHoareTripleChecker+Valid, 13015 SdHoareTripleChecker+Invalid, 16295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7672 IncrementalHoareTripleChecker+Valid, 8622 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2023-11-22 21:17:03,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10128 Valid, 13015 Invalid, 16295 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7672 Valid, 8622 Invalid, 1 Unknown, 0 Unchecked, 32.6s Time] [2023-11-22 21:17:03,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17220 states. [2023-11-22 21:17:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17220 to 14576. [2023-11-22 21:17:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14576 states, 8896 states have (on average 1.310476618705036) internal successors, (11658), 9193 states have internal predecessors, (11658), 4708 states have call successors, (4708), 972 states have call predecessors, (4708), 971 states have return successors, (4710), 4590 states have call predecessors, (4710), 4706 states have call successors, (4710) [2023-11-22 21:17:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14576 states to 14576 states and 21076 transitions. [2023-11-22 21:17:04,446 INFO L78 Accepts]: Start accepts. Automaton has 14576 states and 21076 transitions. Word has length 218 [2023-11-22 21:17:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 21:17:04,446 INFO L495 AbstractCegarLoop]: Abstraction has 14576 states and 21076 transitions. [2023-11-22 21:17:04,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 21:17:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 14576 states and 21076 transitions. [2023-11-22 21:17:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-11-22 21:17:04,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:17:04,454 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:17:04,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 21:17:04,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:17:04,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:17:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash 463605698, now seen corresponding path program 1 times [2023-11-22 21:17:04,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:17:04,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302054269] [2023-11-22 21:17:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:17:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:17:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:17:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:17:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:17:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:17:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:17:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:17:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:17:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:17:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:17:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:17:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:17:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:17:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:17:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:17:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:17:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:17:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-22 21:17:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 21:17:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 21:17:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 21:17:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 21:17:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2023-11-22 21:17:05,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:17:05,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302054269] [2023-11-22 21:17:05,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302054269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:17:05,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 21:17:05,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 21:17:05,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462079976] [2023-11-22 21:17:05,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:17:05,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 21:17:05,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:17:05,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 21:17:05,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-22 21:17:05,134 INFO L87 Difference]: Start difference. First operand 14576 states and 21076 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-22 21:17:18,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:17:39,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:17:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 21:17:41,727 INFO L93 Difference]: Finished difference Result 50840 states and 76544 transitions. [2023-11-22 21:17:41,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-22 21:17:41,728 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 288 [2023-11-22 21:17:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 21:17:41,877 INFO L225 Difference]: With dead ends: 50840 [2023-11-22 21:17:41,878 INFO L226 Difference]: Without dead ends: 36299 [2023-11-22 21:17:41,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2023-11-22 21:17:41,937 INFO L413 NwaCegarLoop]: 3874 mSDtfsCounter, 11295 mSDsluCounter, 6277 mSDsCounter, 0 mSdLazyCounter, 10649 mSolverCounterSat, 11571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12544 SdHoareTripleChecker+Valid, 10151 SdHoareTripleChecker+Invalid, 22220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11571 IncrementalHoareTripleChecker+Valid, 10649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2023-11-22 21:17:41,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12544 Valid, 10151 Invalid, 22220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11571 Valid, 10649 Invalid, 0 Unknown, 0 Unchecked, 33.6s Time] [2023-11-22 21:17:41,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36299 states. [2023-11-22 21:17:44,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36299 to 24758. [2023-11-22 21:17:44,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24758 states, 14970 states have (on average 1.2997995991983968) internal successors, (19458), 15551 states have internal predecessors, (19458), 7968 states have call successors, (7968), 1818 states have call predecessors, (7968), 1819 states have return successors, (7974), 7736 states have call predecessors, (7974), 7966 states have call successors, (7974) [2023-11-22 21:17:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24758 states to 24758 states and 35400 transitions. [2023-11-22 21:17:44,220 INFO L78 Accepts]: Start accepts. Automaton has 24758 states and 35400 transitions. Word has length 288 [2023-11-22 21:17:44,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 21:17:44,221 INFO L495 AbstractCegarLoop]: Abstraction has 24758 states and 35400 transitions. [2023-11-22 21:17:44,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-22 21:17:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 24758 states and 35400 transitions. [2023-11-22 21:17:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-11-22 21:17:44,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:17:44,226 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:17:44,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 21:17:44,226 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:17:44,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:17:44,226 INFO L85 PathProgramCache]: Analyzing trace with hash -759347409, now seen corresponding path program 1 times [2023-11-22 21:17:44,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:17:44,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557968167] [2023-11-22 21:17:44,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:17:44,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:17:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:17:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:17:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:17:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:17:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:17:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:17:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:17:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:17:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:17:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:17:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:17:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:17:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:17:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:17:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:17:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:17:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-22 21:17:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-22 21:17:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 21:17:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-22 21:17:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-22 21:17:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-22 21:17:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-22 21:17:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 21:17:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 21:17:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 21:17:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-22 21:17:45,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:17:45,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557968167] [2023-11-22 21:17:45,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557968167] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 21:17:45,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108646201] [2023-11-22 21:17:45,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:17:45,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 21:17:45,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 21:17:45,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 21:17:45,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-22 21:17:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:46,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 3620 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-22 21:17:46,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 21:17:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2023-11-22 21:17:46,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 21:17:46,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108646201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:17:46,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 21:17:46,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2023-11-22 21:17:46,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610104507] [2023-11-22 21:17:46,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:17:46,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 21:17:46,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:17:46,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 21:17:46,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-22 21:17:46,614 INFO L87 Difference]: Start difference. First operand 24758 states and 35400 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-22 21:17:50,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:17:52,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:17:55,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 21:17:55,909 INFO L93 Difference]: Finished difference Result 49697 states and 71692 transitions. [2023-11-22 21:17:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 21:17:55,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 276 [2023-11-22 21:17:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 21:17:55,999 INFO L225 Difference]: With dead ends: 49697 [2023-11-22 21:17:55,999 INFO L226 Difference]: Without dead ends: 24974 [2023-11-22 21:17:56,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-22 21:17:56,077 INFO L413 NwaCegarLoop]: 5019 mSDtfsCounter, 20 mSDsluCounter, 15030 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 20049 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-22 21:17:56,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 20049 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-22 21:17:56,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24974 states. [2023-11-22 21:17:57,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24974 to 24974. [2023-11-22 21:17:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24974 states, 15114 states have (on average 1.2974725420140267) internal successors, (19610), 15695 states have internal predecessors, (19610), 8024 states have call successors, (8024), 1834 states have call predecessors, (8024), 1835 states have return successors, (8030), 7792 states have call predecessors, (8030), 8022 states have call successors, (8030) [2023-11-22 21:17:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24974 states to 24974 states and 35664 transitions. [2023-11-22 21:17:58,106 INFO L78 Accepts]: Start accepts. Automaton has 24974 states and 35664 transitions. Word has length 276 [2023-11-22 21:17:58,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 21:17:58,107 INFO L495 AbstractCegarLoop]: Abstraction has 24974 states and 35664 transitions. [2023-11-22 21:17:58,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-22 21:17:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 24974 states and 35664 transitions. [2023-11-22 21:17:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-22 21:17:58,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:17:58,117 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:17:58,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-22 21:17:58,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 21:17:58,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:17:58,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:17:58,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1213936978, now seen corresponding path program 1 times [2023-11-22 21:17:58,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:17:58,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148327186] [2023-11-22 21:17:58,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:17:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:17:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:17:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:17:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:17:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:17:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:17:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:17:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:17:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:17:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:17:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:17:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:17:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:17:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:17:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:17:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:17:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:17:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:17:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-22 21:17:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 21:17:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 21:17:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 21:17:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-22 21:17:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 21:17:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-22 21:17:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 21:17:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-22 21:17:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 21:17:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:17:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 21:17:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-22 21:17:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 21:17:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 21:17:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 21:17:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:17:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-22 21:17:59,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:17:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148327186] [2023-11-22 21:17:59,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148327186] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 21:17:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270422443] [2023-11-22 21:17:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:17:59,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 21:17:59,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 21:17:59,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 21:17:59,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-22 21:18:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:00,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 3869 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-22 21:18:00,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 21:18:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-22 21:18:00,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 21:18:00,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270422443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:18:00,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 21:18:00,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2023-11-22 21:18:00,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278955231] [2023-11-22 21:18:00,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:18:00,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 21:18:00,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:18:00,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 21:18:00,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-22 21:18:00,632 INFO L87 Difference]: Start difference. First operand 24974 states and 35664 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-22 21:18:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 21:18:08,201 INFO L93 Difference]: Finished difference Result 50161 states and 72324 transitions. [2023-11-22 21:18:08,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 21:18:08,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 304 [2023-11-22 21:18:08,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 21:18:08,310 INFO L225 Difference]: With dead ends: 50161 [2023-11-22 21:18:08,310 INFO L226 Difference]: Without dead ends: 25222 [2023-11-22 21:18:08,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 425 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-22 21:18:08,400 INFO L413 NwaCegarLoop]: 5020 mSDtfsCounter, 22 mSDsluCounter, 15034 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 20054 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-22 21:18:08,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 20054 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-22 21:18:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25222 states. [2023-11-22 21:18:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25222 to 25214. [2023-11-22 21:18:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25214 states, 15274 states have (on average 1.2959277203090218) internal successors, (19794), 15855 states have internal predecessors, (19794), 8088 states have call successors, (8088), 1850 states have call predecessors, (8088), 1851 states have return successors, (8118), 7856 states have call predecessors, (8118), 8086 states have call successors, (8118) [2023-11-22 21:18:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25214 states to 25214 states and 36000 transitions. [2023-11-22 21:18:10,599 INFO L78 Accepts]: Start accepts. Automaton has 25214 states and 36000 transitions. Word has length 304 [2023-11-22 21:18:10,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 21:18:10,599 INFO L495 AbstractCegarLoop]: Abstraction has 25214 states and 36000 transitions. [2023-11-22 21:18:10,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-22 21:18:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 25214 states and 36000 transitions. [2023-11-22 21:18:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-11-22 21:18:10,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:18:10,614 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:18:10,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-22 21:18:10,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-22 21:18:10,833 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:18:10,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:18:10,834 INFO L85 PathProgramCache]: Analyzing trace with hash 2010423447, now seen corresponding path program 1 times [2023-11-22 21:18:10,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:18:10,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022471455] [2023-11-22 21:18:10,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:18:10,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:18:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:18:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:18:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:18:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:18:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:18:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:18:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:18:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:18:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:18:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:18:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:18:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:18:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:18:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:18:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:18:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:18:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 21:18:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-22 21:18:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 21:18:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-22 21:18:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-22 21:18:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 21:18:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 21:18:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:18:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:18:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 21:18:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 21:18:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:18:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2023-11-22 21:18:11,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:18:11,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022471455] [2023-11-22 21:18:11,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022471455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:18:11,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 21:18:11,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-22 21:18:11,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108044157] [2023-11-22 21:18:11,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:18:11,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-22 21:18:11,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:18:11,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-22 21:18:11,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-22 21:18:11,488 INFO L87 Difference]: Start difference. First operand 25214 states and 36000 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (39), 9 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-22 21:18:28,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:18:30,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:18:35,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:05,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:07,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:09,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:10,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:12,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:15,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 21:19:15,455 INFO L93 Difference]: Finished difference Result 82426 states and 124720 transitions. [2023-11-22 21:19:15,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-22 21:19:15,456 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (39), 9 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 338 [2023-11-22 21:19:15,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 21:19:15,710 INFO L225 Difference]: With dead ends: 82426 [2023-11-22 21:19:15,711 INFO L226 Difference]: Without dead ends: 57247 [2023-11-22 21:19:15,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-22 21:19:15,809 INFO L413 NwaCegarLoop]: 4513 mSDtfsCounter, 11825 mSDsluCounter, 10535 mSDsCounter, 0 mSdLazyCounter, 17276 mSolverCounterSat, 11979 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13269 SdHoareTripleChecker+Valid, 15048 SdHoareTripleChecker+Invalid, 29255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11979 IncrementalHoareTripleChecker+Valid, 17276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.5s IncrementalHoareTripleChecker+Time [2023-11-22 21:19:15,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13269 Valid, 15048 Invalid, 29255 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11979 Valid, 17276 Invalid, 0 Unknown, 0 Unchecked, 58.5s Time] [2023-11-22 21:19:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57247 states. [2023-11-22 21:19:19,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57247 to 37170. [2023-11-22 21:19:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37170 states, 22582 states have (on average 1.2912939509343726) internal successors, (29160), 23453 states have internal predecessors, (29160), 11818 states have call successors, (11818), 2768 states have call predecessors, (11818), 2769 states have return successors, (11860), 11472 states have call predecessors, (11860), 11816 states have call successors, (11860) [2023-11-22 21:19:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37170 states to 37170 states and 52838 transitions. [2023-11-22 21:19:19,415 INFO L78 Accepts]: Start accepts. Automaton has 37170 states and 52838 transitions. Word has length 338 [2023-11-22 21:19:19,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 21:19:19,416 INFO L495 AbstractCegarLoop]: Abstraction has 37170 states and 52838 transitions. [2023-11-22 21:19:19,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (39), 9 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-22 21:19:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 37170 states and 52838 transitions. [2023-11-22 21:19:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2023-11-22 21:19:19,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 21:19:19,437 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 21:19:19,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 21:19:19,437 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 21:19:19,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 21:19:19,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2063457846, now seen corresponding path program 1 times [2023-11-22 21:19:19,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 21:19:19,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930224160] [2023-11-22 21:19:19,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 21:19:19,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 21:19:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 21:19:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 21:19:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 21:19:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 21:19:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 21:19:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 21:19:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 21:19:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 21:19:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 21:19:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 21:19:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 21:19:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 21:19:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:19,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 21:19:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 21:19:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 21:19:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 21:19:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 21:19:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-22 21:19:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 21:19:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-22 21:19:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-22 21:19:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 21:19:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-11-22 21:19:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 21:19:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 21:19:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 21:19:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 21:19:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 21:19:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 21:19:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 21:19:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2023-11-22 21:19:20,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 21:19:20,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930224160] [2023-11-22 21:19:20,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930224160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 21:19:20,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 21:19:20,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-22 21:19:20,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297298526] [2023-11-22 21:19:20,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 21:19:20,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-22 21:19:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 21:19:20,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-22 21:19:20,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-22 21:19:20,394 INFO L87 Difference]: Start difference. First operand 37170 states and 52838 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (42), 9 states have call predecessors, (42), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-22 21:19:29,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-22 21:19:34,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:42,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 21:19:44,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15