./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 23:48:51,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 23:48:51,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 23:48:51,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 23:48:51,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 23:48:51,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 23:48:51,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 23:48:51,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 23:48:51,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 23:48:51,089 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 23:48:51,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 23:48:51,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 23:48:51,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 23:48:51,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 23:48:51,092 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 23:48:51,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 23:48:51,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 23:48:51,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 23:48:51,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 23:48:51,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 23:48:51,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 23:48:51,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 23:48:51,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 23:48:51,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 23:48:51,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 23:48:51,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 23:48:51,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 23:48:51,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 23:48:51,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:48:51,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 23:48:51,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 23:48:51,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 23:48:51,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 23:48:51,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 23:48:51,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 23:48:51,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 23:48:51,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 23:48:51,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 23:48:51,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 23:48:51,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 23:48:51,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 23:48:51,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 23:48:51,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 23:48:51,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 23:48:51,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 23:48:51,361 INFO L431 ainManager$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 23:48:52,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 23:48:53,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 23:48:53,062 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 23:48:53,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68f060932/d6f48b059c6742d7b41396cc7c4b1e13/FLAG4c0b09f15 [2023-11-22 23:48:53,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68f060932/d6f48b059c6742d7b41396cc7c4b1e13 [2023-11-22 23:48:53,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 23:48:53,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 23:48:53,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 23:48:53,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 23:48:53,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 23:48:53,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:48:53" (1/1) ... [2023-11-22 23:48:53,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3bec65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:53, skipping insertion in model container [2023-11-22 23:48:53,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:48:53" (1/1) ... [2023-11-22 23:48:53,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 23:48:56,631 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 23:48:56,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:48:56,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 23:48:56,800 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 23:48:56,802 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 23:48:56,802 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 23:48:56,803 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 23:48:56,803 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 23:48:56,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "rm" (word)); [4323] [2023-11-22 23:48:56,806 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 23:48:56,806 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 23:48:56,806 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 23:48:56,807 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 23:48:56,807 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 23:48:56,807 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 23:48:56,808 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 23:48:56,841 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 23:48:56,842 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 23:48:56,842 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 23:48:56,846 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 23:48:56,850 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 23:48:56,855 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 23:48:56,855 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 23:48:56,922 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 23:48:56,926 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 23:48:57,084 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 23:48:57,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:48:57,241 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:48:57,242 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:48:57,242 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:48:57,242 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:48:57,248 INFO L206 MainTranslator]: Completed translation [2023-11-22 23:48:57,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57 WrapperNode [2023-11-22 23:48:57,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 23:48:57,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 23:48:57,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 23:48:57,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 23:48:57,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,617 INFO L138 Inliner]: procedures = 595, calls = 4026, calls flagged for inlining = 266, calls inlined = 259, statements flattened = 10084 [2023-11-22 23:48:57,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 23:48:57,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 23:48:57,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 23:48:57,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 23:48:57,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 23:48:57,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 23:48:57,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 23:48:57,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 23:48:57,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (1/1) ... [2023-11-22 23:48:57,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:48:58,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:48:58,031 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 23:48:58,048 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 23:48:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2023-11-22 23:48:58,068 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2023-11-22 23:48:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2023-11-22 23:48:58,068 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2023-11-22 23:48:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-22 23:48:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-22 23:48:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2023-11-22 23:48:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2023-11-22 23:48:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-22 23:48:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-22 23:48:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2023-11-22 23:48:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2023-11-22 23:48:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2023-11-22 23:48:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2023-11-22 23:48:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-22 23:48:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2023-11-22 23:48:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2023-11-22 23:48:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-22 23:48:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-22 23:48:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2023-11-22 23:48:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2023-11-22 23:48:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-22 23:48:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-22 23:48:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2023-11-22 23:48:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2023-11-22 23:48:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2023-11-22 23:48:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2023-11-22 23:48:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2023-11-22 23:48:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2023-11-22 23:48:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-22 23:48:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-22 23:48:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2023-11-22 23:48:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2023-11-22 23:48:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2023-11-22 23:48:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2023-11-22 23:48:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 23:48:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 23:48:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2023-11-22 23:48:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2023-11-22 23:48:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2023-11-22 23:48:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2023-11-22 23:48:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-22 23:48:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-22 23:48:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2023-11-22 23:48:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2023-11-22 23:48:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2023-11-22 23:48:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2023-11-22 23:48:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2023-11-22 23:48:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-22 23:48:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-22 23:48:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-22 23:48:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-22 23:48:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2023-11-22 23:48:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2023-11-22 23:48:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2023-11-22 23:48:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2023-11-22 23:48:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-22 23:48:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-22 23:48:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2023-11-22 23:48:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2023-11-22 23:48:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2023-11-22 23:48:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2023-11-22 23:48:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-22 23:48:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-22 23:48:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2023-11-22 23:48:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2023-11-22 23:48:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2023-11-22 23:48:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2023-11-22 23:48:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2023-11-22 23:48:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2023-11-22 23:48:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2023-11-22 23:48:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2023-11-22 23:48:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2023-11-22 23:48:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2023-11-22 23:48:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2023-11-22 23:48:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2023-11-22 23:48:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-22 23:48:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-22 23:48:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2023-11-22 23:48:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2023-11-22 23:48:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-22 23:48:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2023-11-22 23:48:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2023-11-22 23:48:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2023-11-22 23:48:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2023-11-22 23:48:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2023-11-22 23:48:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2023-11-22 23:48:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2023-11-22 23:48:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2023-11-22 23:48:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-22 23:48:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-22 23:48:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-22 23:48:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2023-11-22 23:48:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2023-11-22 23:48:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2023-11-22 23:48:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2023-11-22 23:48:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 23:48:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 23:48:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-22 23:48:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-22 23:48:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2023-11-22 23:48:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2023-11-22 23:48:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 23:48:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2023-11-22 23:48:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2023-11-22 23:48:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2023-11-22 23:48:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2023-11-22 23:48:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-22 23:48:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-22 23:48:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2023-11-22 23:48:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2023-11-22 23:48:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2023-11-22 23:48:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2023-11-22 23:48:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-22 23:48:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-22 23:48:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2023-11-22 23:48:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2023-11-22 23:48:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-22 23:48:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2023-11-22 23:48:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2023-11-22 23:48:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2023-11-22 23:48:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2023-11-22 23:48:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-22 23:48:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-22 23:48:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2023-11-22 23:48:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2023-11-22 23:48:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2023-11-22 23:48:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2023-11-22 23:48:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-22 23:48:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2023-11-22 23:48:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2023-11-22 23:48:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2023-11-22 23:48:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2023-11-22 23:48:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2023-11-22 23:48:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2023-11-22 23:48:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2023-11-22 23:48:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2023-11-22 23:48:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 23:48:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2023-11-22 23:48:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2023-11-22 23:48:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2023-11-22 23:48:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2023-11-22 23:48:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-22 23:48:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-22 23:48:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2023-11-22 23:48:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2023-11-22 23:48:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2023-11-22 23:48:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2023-11-22 23:48:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2023-11-22 23:48:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2023-11-22 23:48:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-22 23:48:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-22 23:48:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2023-11-22 23:48:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2023-11-22 23:48:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2023-11-22 23:48:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2023-11-22 23:48:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-22 23:48:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-22 23:48:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2023-11-22 23:48:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2023-11-22 23:48:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2023-11-22 23:48:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2023-11-22 23:48:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2023-11-22 23:48:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2023-11-22 23:48:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-22 23:48:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-22 23:48:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2023-11-22 23:48:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2023-11-22 23:48:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2023-11-22 23:48:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2023-11-22 23:48:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2023-11-22 23:48:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2023-11-22 23:48:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 23:48:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-22 23:48:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-22 23:48:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2023-11-22 23:48:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2023-11-22 23:48:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-22 23:48:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-22 23:48:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 23:48:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2023-11-22 23:48:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2023-11-22 23:48:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2023-11-22 23:48:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2023-11-22 23:48:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2023-11-22 23:48:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2023-11-22 23:48:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-22 23:48:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-22 23:48:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-22 23:48:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2023-11-22 23:48:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2023-11-22 23:48:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-22 23:48:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-22 23:48:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2023-11-22 23:48:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2023-11-22 23:48:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2023-11-22 23:48:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2023-11-22 23:48:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2023-11-22 23:48:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2023-11-22 23:48:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-22 23:48:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-22 23:48:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2023-11-22 23:48:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2023-11-22 23:48:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2023-11-22 23:48:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2023-11-22 23:48:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-22 23:48:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-22 23:48:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2023-11-22 23:48:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2023-11-22 23:48:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2023-11-22 23:48:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2023-11-22 23:48:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-22 23:48:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-22 23:48:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2023-11-22 23:48:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2023-11-22 23:48:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2023-11-22 23:48:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2023-11-22 23:48:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2023-11-22 23:48:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2023-11-22 23:48:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2023-11-22 23:48:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2023-11-22 23:48:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2023-11-22 23:48:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2023-11-22 23:48:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-22 23:48:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-22 23:48:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2023-11-22 23:48:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2023-11-22 23:48:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-22 23:48:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-22 23:48:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-22 23:48:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-22 23:48:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2023-11-22 23:48:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2023-11-22 23:48:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2023-11-22 23:48:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2023-11-22 23:48:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2023-11-22 23:48:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2023-11-22 23:48:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2023-11-22 23:48:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2023-11-22 23:48:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-22 23:48:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-22 23:48:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2023-11-22 23:48:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2023-11-22 23:48:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 23:48:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 23:48:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2023-11-22 23:48:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2023-11-22 23:48:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-22 23:48:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-22 23:48:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2023-11-22 23:48:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2023-11-22 23:48:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2023-11-22 23:48:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2023-11-22 23:48:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2023-11-22 23:48:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2023-11-22 23:48:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-11-22 23:48:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-11-22 23:48:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2023-11-22 23:48:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2023-11-22 23:48:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2023-11-22 23:48:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2023-11-22 23:48:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2023-11-22 23:48:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2023-11-22 23:48:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-22 23:48:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-22 23:48:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 23:48:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 23:48:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2023-11-22 23:48:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2023-11-22 23:48:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2023-11-22 23:48:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2023-11-22 23:48:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2023-11-22 23:48:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2023-11-22 23:48:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2023-11-22 23:48:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2023-11-22 23:48:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2023-11-22 23:48:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2023-11-22 23:48:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2023-11-22 23:48:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2023-11-22 23:48:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2023-11-22 23:48:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2023-11-22 23:48:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2023-11-22 23:48:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2023-11-22 23:48:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-22 23:48:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-22 23:48:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2023-11-22 23:48:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2023-11-22 23:48:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2023-11-22 23:48:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2023-11-22 23:48:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2023-11-22 23:48:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2023-11-22 23:48:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2023-11-22 23:48:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2023-11-22 23:48:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-22 23:48:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-22 23:48:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2023-11-22 23:48:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2023-11-22 23:48:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-22 23:48:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-22 23:48:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-22 23:48:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-22 23:48:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2023-11-22 23:48:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2023-11-22 23:48:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-22 23:48:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-22 23:48:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-22 23:48:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-22 23:48:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2023-11-22 23:48:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2023-11-22 23:48:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-22 23:48:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-22 23:48:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 23:48:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2023-11-22 23:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2023-11-22 23:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2023-11-22 23:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2023-11-22 23:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2023-11-22 23:48:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2023-11-22 23:48:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-22 23:48:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-22 23:48:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2023-11-22 23:48:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2023-11-22 23:48:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 23:48:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 23:48:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2023-11-22 23:48:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2023-11-22 23:48:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2023-11-22 23:48:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2023-11-22 23:48:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-22 23:48:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-22 23:48:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-22 23:48:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-22 23:48:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2023-11-22 23:48:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2023-11-22 23:48:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2023-11-22 23:48:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2023-11-22 23:48:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-22 23:48:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-22 23:48:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2023-11-22 23:48:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2023-11-22 23:48:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2023-11-22 23:48:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2023-11-22 23:48:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2023-11-22 23:48:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2023-11-22 23:48:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-22 23:48:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-22 23:48:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2023-11-22 23:48:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2023-11-22 23:48:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-22 23:48:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-22 23:48:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2023-11-22 23:48:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2023-11-22 23:48:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2023-11-22 23:48:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2023-11-22 23:48:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2023-11-22 23:48:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2023-11-22 23:48:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2023-11-22 23:48:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2023-11-22 23:48:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2023-11-22 23:48:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2023-11-22 23:48:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2023-11-22 23:48:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2023-11-22 23:48:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2023-11-22 23:48:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2023-11-22 23:48:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2023-11-22 23:48:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-22 23:48:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-22 23:48:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-22 23:48:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-22 23:48:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2023-11-22 23:48:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2023-11-22 23:48:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2023-11-22 23:48:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2023-11-22 23:48:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2023-11-22 23:48:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2023-11-22 23:48:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2023-11-22 23:48:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2023-11-22 23:48:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 23:48:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2023-11-22 23:48:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2023-11-22 23:48:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2023-11-22 23:48:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2023-11-22 23:48:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-11-22 23:48:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-11-22 23:48:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-22 23:48:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2023-11-22 23:48:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2023-11-22 23:48:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2023-11-22 23:48:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2023-11-22 23:48:59,243 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 23:48:59,262 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 23:48:59,949 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 23:49:07,728 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 23:49:08,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 23:49:08,122 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-22 23:49:08,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:49:08 BoogieIcfgContainer [2023-11-22 23:49:08,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 23:49:08,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 23:49:08,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 23:49:08,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 23:49:08,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:48:53" (1/3) ... [2023-11-22 23:49:08,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f466ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:49:08, skipping insertion in model container [2023-11-22 23:49:08,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:48:57" (2/3) ... [2023-11-22 23:49:08,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f466ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:49:08, skipping insertion in model container [2023-11-22 23:49:08,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:49:08" (3/3) ... [2023-11-22 23:49:08,137 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 23:49:08,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 23:49:08,157 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 23:49:08,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 23:49:08,260 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;@14e1cffb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 23:49:08,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 23:49:08,272 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 23:49:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-22 23:49:08,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:49:08,287 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 23:49:08,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:49:08,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:49:08,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1619612688, now seen corresponding path program 1 times [2023-11-22 23:49:08,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:49:08,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662179541] [2023-11-22 23:49:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:49:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:49:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:49:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:49:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:49:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:49:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:49:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:49:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:49:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:49:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:49:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:49:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:49:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:49:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:49:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:49:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:49:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:49:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-22 23:49:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:09,214 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 23:49:09,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:49:09,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662179541] [2023-11-22 23:49:09,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662179541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:49:09,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:49:09,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:49:09,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273594262] [2023-11-22 23:49:09,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:49:09,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:49:09,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:49:09,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:49:09,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:49:09,247 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 23:49:15,777 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 23:49:23,374 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 23:49:25,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:49:25,034 INFO L93 Difference]: Finished difference Result 8073 states and 12165 transitions. [2023-11-22 23:49:25,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 23:49:25,038 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 23:49:25,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:49:25,081 INFO L225 Difference]: With dead ends: 8073 [2023-11-22 23:49:25,084 INFO L226 Difference]: Without dead ends: 4350 [2023-11-22 23:49:25,115 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 23:49:25,118 INFO L413 NwaCegarLoop]: 3952 mSDtfsCounter, 3791 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 3209 mSolverCounterSat, 5248 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3915 SdHoareTripleChecker+Valid, 5875 SdHoareTripleChecker+Invalid, 8458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5248 IncrementalHoareTripleChecker+Valid, 3209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-11-22 23:49:25,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3915 Valid, 5875 Invalid, 8458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5248 Valid, 3209 Invalid, 1 Unknown, 0 Unchecked, 15.2s Time] [2023-11-22 23:49:25,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2023-11-22 23:49:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 3690. [2023-11-22 23:49:25,345 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 23:49:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3690 states and 5334 transitions. [2023-11-22 23:49:25,375 INFO L78 Accepts]: Start accepts. Automaton has 3690 states and 5334 transitions. Word has length 214 [2023-11-22 23:49:25,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:49:25,376 INFO L495 AbstractCegarLoop]: Abstraction has 3690 states and 5334 transitions. [2023-11-22 23:49:25,376 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 23:49:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 5334 transitions. [2023-11-22 23:49:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-22 23:49:25,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:49:25,386 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 23:49:25,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 23:49:25,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:49:25,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:49:25,387 INFO L85 PathProgramCache]: Analyzing trace with hash 43464482, now seen corresponding path program 1 times [2023-11-22 23:49:25,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:49:25,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257369551] [2023-11-22 23:49:25,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:49:25,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:49:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:49:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:49:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:49:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:49:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:49:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:49:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:49:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:49:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:49:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:49:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:49:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:49:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:49:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:49:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:49:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:49:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-22 23:49:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:26,162 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 23:49:26,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:49:26,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257369551] [2023-11-22 23:49:26,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257369551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:49:26,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:49:26,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 23:49:26,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857588597] [2023-11-22 23:49:26,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:49:26,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 23:49:26,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:49:26,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 23:49:26,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-22 23:49:26,169 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 23:49:32,957 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 23:49:36,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:49:39,298 WARN L539 Checker$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 23:49:51,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:49:53,811 WARN L539 Checker$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 23:49:55,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:49:57,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:49:57,048 INFO L93 Difference]: Finished difference Result 12290 states and 18161 transitions. [2023-11-22 23:49:57,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 23:49:57,064 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 23:49:57,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:49:57,123 INFO L225 Difference]: With dead ends: 12290 [2023-11-22 23:49:57,123 INFO L226 Difference]: Without dead ends: 8635 [2023-11-22 23:49:57,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:49:57,144 INFO L413 NwaCegarLoop]: 3884 mSDtfsCounter, 11988 mSDsluCounter, 5224 mSDsCounter, 0 mSdLazyCounter, 5393 mSolverCounterSat, 11460 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12810 SdHoareTripleChecker+Valid, 9108 SdHoareTripleChecker+Invalid, 16855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11460 IncrementalHoareTripleChecker+Valid, 5393 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2023-11-22 23:49:57,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12810 Valid, 9108 Invalid, 16855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11460 Valid, 5393 Invalid, 2 Unknown, 0 Unchecked, 29.9s Time] [2023-11-22 23:49:57,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2023-11-22 23:49:57,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 7312. [2023-11-22 23:49:57,451 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 23:49:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 10570 transitions. [2023-11-22 23:49:57,486 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 10570 transitions. Word has length 214 [2023-11-22 23:49:57,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:49:57,488 INFO L495 AbstractCegarLoop]: Abstraction has 7312 states and 10570 transitions. [2023-11-22 23:49:57,489 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 23:49:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 10570 transitions. [2023-11-22 23:49:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-22 23:49:57,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:49:57,495 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 23:49:57,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 23:49:57,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:49:57,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:49:57,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1598498614, now seen corresponding path program 1 times [2023-11-22 23:49:57,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:49:57,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989560495] [2023-11-22 23:49:57,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:49:57,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:49:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:49:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:49:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:49:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:49:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:49:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:49:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:49:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:49:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:49:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:49:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:49:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:49:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:49:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:49:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:49:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:49:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:49:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:49:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 23:49:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:49:58,208 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 23:49:58,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:49:58,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989560495] [2023-11-22 23:49:58,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989560495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:49:58,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:49:58,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 23:49:58,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996864369] [2023-11-22 23:49:58,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:49:58,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 23:49:58,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:49:58,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 23:49:58,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-22 23:49:58,211 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 23:50:00,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:05,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-22 23:50:13,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:29,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:30,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:36,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:50:36,466 INFO L93 Difference]: Finished difference Result 24503 states and 36445 transitions. [2023-11-22 23:50:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 23:50:36,468 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 23:50:36,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:50:36,711 INFO L225 Difference]: With dead ends: 24503 [2023-11-22 23:50:36,712 INFO L226 Difference]: Without dead ends: 17220 [2023-11-22 23:50:36,741 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 23:50:36,743 INFO L413 NwaCegarLoop]: 4311 mSDtfsCounter, 9336 mSDsluCounter, 8701 mSDsCounter, 0 mSdLazyCounter, 8627 mSolverCounterSat, 7680 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10122 SdHoareTripleChecker+Valid, 13012 SdHoareTripleChecker+Invalid, 16308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7680 IncrementalHoareTripleChecker+Valid, 8627 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2023-11-22 23:50:36,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10122 Valid, 13012 Invalid, 16308 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7680 Valid, 8627 Invalid, 1 Unknown, 0 Unchecked, 37.3s Time] [2023-11-22 23:50:36,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17220 states. [2023-11-22 23:50:37,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17220 to 14576. [2023-11-22 23:50:37,177 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 23:50:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14576 states to 14576 states and 21076 transitions. [2023-11-22 23:50:37,227 INFO L78 Accepts]: Start accepts. Automaton has 14576 states and 21076 transitions. Word has length 218 [2023-11-22 23:50:37,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:50:37,227 INFO L495 AbstractCegarLoop]: Abstraction has 14576 states and 21076 transitions. [2023-11-22 23:50:37,228 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 23:50:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 14576 states and 21076 transitions. [2023-11-22 23:50:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-11-22 23:50:37,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:50:37,235 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, 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] [2023-11-22 23:50:37,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 23:50:37,236 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:50:37,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:50:37,236 INFO L85 PathProgramCache]: Analyzing trace with hash 224931104, now seen corresponding path program 1 times [2023-11-22 23:50:37,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:50:37,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159084192] [2023-11-22 23:50:37,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:50:37,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:50:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:50:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:50:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:50:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:50:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:50:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:50:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:50:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:50:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:50:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:50:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:50:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:50:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:50:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:50:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:50:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:50:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 23:50:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:50:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:50:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:50:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:50:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-22 23:50:37,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:50:37,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159084192] [2023-11-22 23:50:37,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159084192] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:50:37,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840513884] [2023-11-22 23:50:37,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:50:37,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:50:37,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:50:37,801 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 23:50:37,804 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 23:50:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:39,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 4010 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-22 23:50:39,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:50:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2023-11-22 23:50:39,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:50:39,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840513884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:50:39,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:50:39,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-22 23:50:39,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159467502] [2023-11-22 23:50:39,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:50:39,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 23:50:39,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:50:39,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 23:50:39,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-22 23:50:39,289 INFO L87 Difference]: Start difference. First operand 14576 states and 21076 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-22 23:50:42,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:44,060 WARN L539 Checker$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 23:50:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:50:45,473 INFO L93 Difference]: Finished difference Result 39522 states and 56862 transitions. [2023-11-22 23:50:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 23:50:45,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 293 [2023-11-22 23:50:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:50:45,583 INFO L225 Difference]: With dead ends: 39522 [2023-11-22 23:50:45,584 INFO L226 Difference]: Without dead ends: 24981 [2023-11-22 23:50:45,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-22 23:50:45,645 INFO L413 NwaCegarLoop]: 6326 mSDtfsCounter, 3716 mSDsluCounter, 4841 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3716 SdHoareTripleChecker+Valid, 11167 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-22 23:50:45,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3716 Valid, 11167 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-22 23:50:45,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24981 states. [2023-11-22 23:50:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24981 to 24968. [2023-11-22 23:50:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24968 states, 15188 states have (on average 1.2989202001580196) internal successors, (19728), 15767 states have internal predecessors, (19728), 7962 states have call successors, (7962), 1818 states have call predecessors, (7962), 1817 states have return successors, (7964), 7730 states have call predecessors, (7964), 7960 states have call successors, (7964) [2023-11-22 23:50:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24968 states to 24968 states and 35654 transitions. [2023-11-22 23:50:46,691 INFO L78 Accepts]: Start accepts. Automaton has 24968 states and 35654 transitions. Word has length 293 [2023-11-22 23:50:46,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:50:46,692 INFO L495 AbstractCegarLoop]: Abstraction has 24968 states and 35654 transitions. [2023-11-22 23:50:46,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-22 23:50:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 24968 states and 35654 transitions. [2023-11-22 23:50:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-11-22 23:50:46,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:50:46,697 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, 1, 1, 1] [2023-11-22 23:50:46,738 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 23:50:46,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:50:46,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:50:46,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:50:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1607131761, now seen corresponding path program 1 times [2023-11-22 23:50:46,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:50:46,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189530073] [2023-11-22 23:50:46,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:50:46,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:50:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:50:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:50:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:50:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:50:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:50:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:50:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:50:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:50:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:50:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:50:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:50:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:50:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:50:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:50:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:50:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:50:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:50:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-22 23:50:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 23:50:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-22 23:50:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-22 23:50:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-22 23:50:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:50:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-22 23:50:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-22 23:50:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:50:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:50:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:50:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:47,942 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 23:50:47,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:50:47,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189530073] [2023-11-22 23:50:47,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189530073] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:50:47,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768934216] [2023-11-22 23:50:47,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:50:47,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:50:47,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:50:47,943 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 23:50:47,945 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 23:50:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:50:49,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 3626 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-22 23:50:49,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:50:49,328 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 23:50:49,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:50:49,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768934216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:50:49,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:50:49,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2023-11-22 23:50:49,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912148520] [2023-11-22 23:50:49,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:50:49,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:50:49,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:50:49,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:50:49,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:50:49,330 INFO L87 Difference]: Start difference. First operand 24968 states and 35654 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 23:50:51,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:54,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:56,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:50:59,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:51:01,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:51:01,480 INFO L93 Difference]: Finished difference Result 50117 states and 72200 transitions. [2023-11-22 23:51:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 23:51:01,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 279 [2023-11-22 23:51:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:51:01,600 INFO L225 Difference]: With dead ends: 50117 [2023-11-22 23:51:01,600 INFO L226 Difference]: Without dead ends: 25184 [2023-11-22 23:51:01,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 385 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 23:51:01,699 INFO L413 NwaCegarLoop]: 5019 mSDtfsCounter, 20 mSDsluCounter, 15030 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 20049 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-22 23:51:01,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 20049 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1325 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2023-11-22 23:51:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25184 states. [2023-11-22 23:51:02,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25184 to 25184. [2023-11-22 23:51:02,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25184 states, 15332 states have (on average 1.2966344899556483) internal successors, (19880), 15911 states have internal predecessors, (19880), 8018 states have call successors, (8018), 1834 states have call predecessors, (8018), 1833 states have return successors, (8020), 7786 states have call predecessors, (8020), 8016 states have call successors, (8020) [2023-11-22 23:51:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25184 states to 25184 states and 35918 transitions. [2023-11-22 23:51:02,623 INFO L78 Accepts]: Start accepts. Automaton has 25184 states and 35918 transitions. Word has length 279 [2023-11-22 23:51:02,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:51:02,624 INFO L495 AbstractCegarLoop]: Abstraction has 25184 states and 35918 transitions. [2023-11-22 23:51:02,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 23:51:02,625 INFO L276 IsEmpty]: Start isEmpty. Operand 25184 states and 35918 transitions. [2023-11-22 23:51:02,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-11-22 23:51:02,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:51:02,635 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, 1] [2023-11-22 23:51:02,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-22 23:51:02,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:51:02,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:51:02,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:51:02,849 INFO L85 PathProgramCache]: Analyzing trace with hash 197807229, now seen corresponding path program 1 times [2023-11-22 23:51:02,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:51:02,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770420937] [2023-11-22 23:51:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:51:02,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:51:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:51:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:51:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:51:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:51:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:51:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:51:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:51:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:51:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:51:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:51:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:51:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:51:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:51:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:51:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:51:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:51:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 23:51:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-22 23:51:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:51:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:51:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-22 23:51:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:51:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-22 23:51:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-22 23:51:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-22 23:51:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-11-22 23:51:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-22 23:51:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-22 23:51:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:51:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:51:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:51:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:03,799 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 23:51:03,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:51:03,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770420937] [2023-11-22 23:51:03,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770420937] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:51:03,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839345847] [2023-11-22 23:51:03,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:51:03,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:51:03,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:51:03,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 23:51:03,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-22 23:51:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:05,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 3871 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-22 23:51:05,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:51:05,255 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 23:51:05,255 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:51:05,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839345847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:51:05,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:51:05,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2023-11-22 23:51:05,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62798157] [2023-11-22 23:51:05,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:51:05,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:51:05,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:51:05,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:51:05,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:51:05,257 INFO L87 Difference]: Start difference. First operand 25184 states and 35918 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 23:51:07,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:51:08,501 WARN L539 Checker$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 23:51:13,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:51:13,165 INFO L93 Difference]: Finished difference Result 50581 states and 72832 transitions. [2023-11-22 23:51:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 23:51:13,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 305 [2023-11-22 23:51:13,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:51:13,255 INFO L225 Difference]: With dead ends: 50581 [2023-11-22 23:51:13,255 INFO L226 Difference]: Without dead ends: 25432 [2023-11-22 23:51:13,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 426 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 23:51:13,336 INFO L413 NwaCegarLoop]: 5020 mSDtfsCounter, 22 mSDsluCounter, 15034 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s 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, 7.0s IncrementalHoareTripleChecker+Time [2023-11-22 23:51:13,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 20054 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-22 23:51:13,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25432 states. [2023-11-22 23:51:14,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25432 to 25424. [2023-11-22 23:51:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25424 states, 15492 states have (on average 1.295120061967467) internal successors, (20064), 16071 states have internal predecessors, (20064), 8082 states have call successors, (8082), 1850 states have call predecessors, (8082), 1849 states have return successors, (8108), 7850 states have call predecessors, (8108), 8080 states have call successors, (8108) [2023-11-22 23:51:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25424 states to 25424 states and 36254 transitions. [2023-11-22 23:51:14,249 INFO L78 Accepts]: Start accepts. Automaton has 25424 states and 36254 transitions. Word has length 305 [2023-11-22 23:51:14,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:51:14,250 INFO L495 AbstractCegarLoop]: Abstraction has 25424 states and 36254 transitions. [2023-11-22 23:51:14,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 23:51:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 25424 states and 36254 transitions. [2023-11-22 23:51:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-11-22 23:51:14,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:51:14,266 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 23:51:14,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-22 23:51:14,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:51:14,481 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:51:14,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:51:14,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2010423447, now seen corresponding path program 1 times [2023-11-22 23:51:14,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:51:14,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849370894] [2023-11-22 23:51:14,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:51:14,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:51:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:51:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:51:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:51:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:51:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:51:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:51:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:51:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:51:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:51:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:51:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:51:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:51:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:51:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:51:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:51:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:51:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 23:51:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-22 23:51:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 23:51:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-22 23:51:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-22 23:51:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:51:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:51:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:51:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:51:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:51:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:51:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:51:15,522 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 23:51:15,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:51:15,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849370894] [2023-11-22 23:51:15,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849370894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:51:15,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:51:15,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-22 23:51:15,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225029397] [2023-11-22 23:51:15,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:51:15,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-22 23:51:15,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:51:15,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-22 23:51:15,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-22 23:51:15,525 INFO L87 Difference]: Start difference. First operand 25424 states and 36254 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 23:51:17,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:51:19,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:51:39,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:52:02,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:52:07,901 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 23:52:12,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:52:12,695 INFO L93 Difference]: Finished difference Result 82868 states and 125262 transitions. [2023-11-22 23:52:12,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-22 23:52:12,697 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 23:52:12,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:52:12,938 INFO L225 Difference]: With dead ends: 82868 [2023-11-22 23:52:12,938 INFO L226 Difference]: Without dead ends: 57479 [2023-11-22 23:52:13,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-22 23:52:13,023 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 13372 mSDsluCounter, 10911 mSDsCounter, 0 mSdLazyCounter, 17764 mSolverCounterSat, 14205 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14814 SdHoareTripleChecker+Valid, 15527 SdHoareTripleChecker+Invalid, 31970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14205 IncrementalHoareTripleChecker+Valid, 17764 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.5s IncrementalHoareTripleChecker+Time [2023-11-22 23:52:13,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14814 Valid, 15527 Invalid, 31970 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14205 Valid, 17764 Invalid, 1 Unknown, 0 Unchecked, 52.5s Time] [2023-11-22 23:52:13,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57479 states. [2023-11-22 23:52:16,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57479 to 37402. [2023-11-22 23:52:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37402 states, 22814 states have (on average 1.2907863592530902) internal successors, (29448), 23685 states have internal predecessors, (29448), 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 23:52:16,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37402 states to 37402 states and 53126 transitions. [2023-11-22 23:52:16,966 INFO L78 Accepts]: Start accepts. Automaton has 37402 states and 53126 transitions. Word has length 338 [2023-11-22 23:52:16,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:52:16,967 INFO L495 AbstractCegarLoop]: Abstraction has 37402 states and 53126 transitions. [2023-11-22 23:52:16,967 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 23:52:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 37402 states and 53126 transitions. [2023-11-22 23:52:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2023-11-22 23:52:16,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:52:16,998 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, 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] [2023-11-22 23:52:16,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 23:52:16,999 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:52:16,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:52:16,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1156194328, now seen corresponding path program 1 times [2023-11-22 23:52:16,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:52:16,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318260997] [2023-11-22 23:52:16,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:52:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:52:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:52:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:52:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:52:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:52:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:52:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:52:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:52:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:52:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:52:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:52:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:52:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:52:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:52:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:52:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:52:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:52:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 23:52:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-22 23:52:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 23:52:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-22 23:52:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-22 23:52:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:52:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-22 23:52:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:52:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:52:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:52:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:52:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-11-22 23:52:17,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:52:17,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318260997] [2023-11-22 23:52:17,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318260997] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:52:17,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191086310] [2023-11-22 23:52:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:52:17,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:52:17,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:52:17,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 23:52:17,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-22 23:52:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:19,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 4397 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-22 23:52:19,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:52:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-22 23:52:19,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:52:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191086310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:52:19,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:52:19,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2023-11-22 23:52:19,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351727338] [2023-11-22 23:52:19,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:52:19,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 23:52:19,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:52:19,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 23:52:19,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-22 23:52:19,467 INFO L87 Difference]: Start difference. First operand 37402 states and 53126 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-22 23:52:27,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:52:27,175 INFO L93 Difference]: Finished difference Result 86542 states and 122954 transitions. [2023-11-22 23:52:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 23:52:27,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 367 [2023-11-22 23:52:27,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:52:27,443 INFO L225 Difference]: With dead ends: 86542 [2023-11-22 23:52:27,443 INFO L226 Difference]: Without dead ends: 49175 [2023-11-22 23:52:27,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-22 23:52:27,730 INFO L413 NwaCegarLoop]: 5326 mSDtfsCounter, 4954 mSDsluCounter, 4153 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4954 SdHoareTripleChecker+Valid, 9479 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-22 23:52:27,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4954 Valid, 9479 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-22 23:52:27,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49175 states. [2023-11-22 23:52:31,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49175 to 49162. [2023-11-22 23:52:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49162 states, 29994 states have (on average 1.2907248116289924) internal successors, (38714), 31155 states have internal predecessors, (38714), 15496 states have call successors, (15496), 3670 states have call predecessors, (15496), 3671 states have return successors, (15550), 15036 states have call predecessors, (15550), 15494 states have call successors, (15550) [2023-11-22 23:52:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49162 states to 49162 states and 69760 transitions. [2023-11-22 23:52:32,153 INFO L78 Accepts]: Start accepts. Automaton has 49162 states and 69760 transitions. Word has length 367 [2023-11-22 23:52:32,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:52:32,154 INFO L495 AbstractCegarLoop]: Abstraction has 49162 states and 69760 transitions. [2023-11-22 23:52:32,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-22 23:52:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 49162 states and 69760 transitions. [2023-11-22 23:52:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-11-22 23:52:32,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:52:32,178 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:52:32,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-22 23:52:32,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:52:32,388 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:52:32,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:52:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1404242340, now seen corresponding path program 1 times [2023-11-22 23:52:32,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:52:32,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605770211] [2023-11-22 23:52:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:52:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:52:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:52:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 23:52:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 23:52:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 23:52:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:52:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:52:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 23:52:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:52:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-22 23:52:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-22 23:52:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 23:52:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-22 23:52:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-22 23:52:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:52:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:52:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-22 23:52:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 23:52:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-22 23:52:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 23:52:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-22 23:52:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:52:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-22 23:52:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:52:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-22 23:52:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 23:52:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:52:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-22 23:52:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:52:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2023-11-22 23:52:33,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:52:33,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605770211] [2023-11-22 23:52:33,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605770211] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:52:33,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411673933] [2023-11-22 23:52:33,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:52:33,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:52:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:52:33,252 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 23:52:33,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-22 23:52:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:52:34,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 4124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-22 23:52:34,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:52:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2023-11-22 23:52:34,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:52:34,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411673933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:52:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:52:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 10 [2023-11-22 23:52:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390791609] [2023-11-22 23:52:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:52:34,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-22 23:52:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:52:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-22 23:52:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-22 23:52:34,729 INFO L87 Difference]: Start difference. First operand 49162 states and 69760 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-22 23:52:44,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:52:44,859 INFO L93 Difference]: Finished difference Result 112160 states and 159250 transitions. [2023-11-22 23:52:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 23:52:44,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 375 [2023-11-22 23:52:44,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:52:45,287 INFO L225 Difference]: With dead ends: 112160 [2023-11-22 23:52:45,288 INFO L226 Difference]: Without dead ends: 63033 [2023-11-22 23:52:45,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-22 23:52:45,460 INFO L413 NwaCegarLoop]: 9392 mSDtfsCounter, 5057 mSDsluCounter, 14212 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5057 SdHoareTripleChecker+Valid, 23604 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-22 23:52:45,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5057 Valid, 23604 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-22 23:52:45,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63033 states.