./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:14:47,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:14:47,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:14:47,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:14:47,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:14:47,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:14:47,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:14:47,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:14:47,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:14:47,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:14:47,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:14:47,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:14:47,796 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:14:47,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:14:47,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:14:47,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:14:47,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:14:47,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:14:47,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:14:47,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:14:47,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:14:47,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:14:47,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:14:47,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:14:47,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:14:47,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:47,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:14:47,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:14:47,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:14:47,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:14:47,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:14:47,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:14:47,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:14:47,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:14:47,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:14:47,810 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:14:47,811 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2023-11-06 22:14:48,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:14:48,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:14:48,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:14:48,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:14:48,115 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:14:48,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2023-11-06 22:14:51,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:14:52,069 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:14:52,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2023-11-06 22:14:52,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/data/4f750c7c7/c39847398d1943c2baa2d075e32660b2/FLAGc3b4f8d80 [2023-11-06 22:14:52,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/data/4f750c7c7/c39847398d1943c2baa2d075e32660b2 [2023-11-06 22:14:52,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:14:52,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:14:52,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:52,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:14:52,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:14:52,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464d5432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52, skipping insertion in model container [2023-11-06 22:14:52,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:14:56,592 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2023-11-06 22:14:56,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:56,846 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:14:56,923 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"); [4271] [2023-11-06 22:14:56,924 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)); [4278] [2023-11-06 22:14:56,925 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"); [4286-4287] [2023-11-06 22:14:56,926 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"); [4295-4296] [2023-11-06 22:14:56,926 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)); [4304-4305] [2023-11-06 22:14:56,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "rm" (word)); [4312] [2023-11-06 22:14:56,929 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)); [4425] [2023-11-06 22:14:56,929 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)); [4432] [2023-11-06 22:14:56,930 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"); [4440-4441] [2023-11-06 22:14:56,930 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"); [4452-4453] [2023-11-06 22:14:56,931 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"); [4456-4457] [2023-11-06 22:14:56,931 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"); [4460-4461] [2023-11-06 22:14:56,931 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"); [4464-4465] [2023-11-06 22:14:56,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (469), "i" (12UL)); [5419-5420] [2023-11-06 22:14:56,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (491), "i" (12UL)); [5442-5443] [2023-11-06 22:14:56,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (509), "i" (12UL)); [5459-5460] [2023-11-06 22:14:56,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (643), "i" (12UL)); [5649-5650] [2023-11-06 22:14:57,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (746), "i" (12UL)); [5785-5786] [2023-11-06 22:14:57,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (849), "i" (12UL)); [5948-5949] [2023-11-06 22:14:57,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (850), "i" (12UL)); [5957-5958] [2023-11-06 22:14:57,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (1611), "i" (12UL)); [6993-6994] [2023-11-06 22:14:57,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/970/dscv_tempdir/dscv/ri/32_7a/drivers/md/dm-cache-target.c"), "i" (1780), "i" (12UL)); [7187-7188] [2023-11-06 22:14:57,362 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2023-11-06 22:14:57,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:57,729 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:57,730 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:57,730 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:57,730 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:57,738 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:14:57,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57 WrapperNode [2023-11-06 22:14:57,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:57,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:57,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:14:57,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:14:57,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:57,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,259 INFO L138 Inliner]: procedures = 664, calls = 4150, calls flagged for inlining = 274, calls inlined = 264, statements flattened = 10095 [2023-11-06 22:14:58,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:58,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:14:58,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:14:58,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:14:58,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:14:58,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:14:58,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:14:58,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:14:58,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (1/1) ... [2023-11-06 22:14:58,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:58,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:58,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:58,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c8709-0b41-4730-a655-c03b3d4d9475/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:14:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2023-11-06 22:14:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2023-11-06 22:14:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2023-11-06 22:14:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2023-11-06 22:14:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 22:14:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 22:14:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2023-11-06 22:14:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2023-11-06 22:14:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-06 22:14:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-06 22:14:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2023-11-06 22:14:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2023-11-06 22:14:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2023-11-06 22:14:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2023-11-06 22:14:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-06 22:14:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2023-11-06 22:14:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2023-11-06 22:14:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-06 22:14:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-06 22:14:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2023-11-06 22:14:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2023-11-06 22:14:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:14:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:14:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2023-11-06 22:14:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2023-11-06 22:14:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2023-11-06 22:14:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2023-11-06 22:14:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2023-11-06 22:14:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2023-11-06 22:14:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-06 22:14:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-06 22:14:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2023-11-06 22:14:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2023-11-06 22:14:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2023-11-06 22:14:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2023-11-06 22:14:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:14:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:14:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2023-11-06 22:14:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2023-11-06 22:14:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2023-11-06 22:14:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2023-11-06 22:14:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-06 22:14:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-06 22:14:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2023-11-06 22:14:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2023-11-06 22:14:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2023-11-06 22:14:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2023-11-06 22:14:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2023-11-06 22:14:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-06 22:14:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-06 22:14:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-06 22:14:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-06 22:14:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2023-11-06 22:14:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2023-11-06 22:14:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2023-11-06 22:14:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2023-11-06 22:14:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:14:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:14:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2023-11-06 22:14:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2023-11-06 22:14:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2023-11-06 22:14:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2023-11-06 22:14:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 22:14:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 22:14:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2023-11-06 22:14:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2023-11-06 22:14:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2023-11-06 22:14:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2023-11-06 22:14:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2023-11-06 22:14:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2023-11-06 22:14:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2023-11-06 22:14:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2023-11-06 22:14:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2023-11-06 22:14:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2023-11-06 22:14:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2023-11-06 22:14:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2023-11-06 22:14:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:14:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:14:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2023-11-06 22:14:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2023-11-06 22:14:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:14:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2023-11-06 22:14:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2023-11-06 22:14:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2023-11-06 22:14:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2023-11-06 22:14:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2023-11-06 22:14:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2023-11-06 22:14:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2023-11-06 22:14:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2023-11-06 22:14:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-06 22:14:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-06 22:14:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-06 22:14:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2023-11-06 22:14:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2023-11-06 22:14:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2023-11-06 22:14:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2023-11-06 22:14:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:14:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:14:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:14:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:14:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2023-11-06 22:14:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2023-11-06 22:14:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:14:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2023-11-06 22:14:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2023-11-06 22:14:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2023-11-06 22:14:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2023-11-06 22:14:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 22:14:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 22:14:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2023-11-06 22:14:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2023-11-06 22:14:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2023-11-06 22:14:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2023-11-06 22:14:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-06 22:14:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-06 22:14:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2023-11-06 22:14:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2023-11-06 22:14:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:14:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2023-11-06 22:14:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2023-11-06 22:14:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2023-11-06 22:14:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2023-11-06 22:14:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:14:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:14:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2023-11-06 22:14:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2023-11-06 22:14:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2023-11-06 22:14:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2023-11-06 22:14:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:14:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2023-11-06 22:14:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2023-11-06 22:14:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2023-11-06 22:14:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2023-11-06 22:14:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2023-11-06 22:14:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2023-11-06 22:14:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2023-11-06 22:14:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2023-11-06 22:14:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:14:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2023-11-06 22:14:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2023-11-06 22:14:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2023-11-06 22:14:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2023-11-06 22:14:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:14:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:14:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2023-11-06 22:14:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2023-11-06 22:14:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2023-11-06 22:14:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2023-11-06 22:14:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2023-11-06 22:14:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2023-11-06 22:14:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-06 22:14:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-06 22:14:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2023-11-06 22:14:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2023-11-06 22:14:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2023-11-06 22:14:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2023-11-06 22:14:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 22:14:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 22:14:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2023-11-06 22:14:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2023-11-06 22:14:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2023-11-06 22:14:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2023-11-06 22:14:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2023-11-06 22:14:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2023-11-06 22:14:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 22:14:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 22:14:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2023-11-06 22:14:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2023-11-06 22:14:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2023-11-06 22:14:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2023-11-06 22:14:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2023-11-06 22:14:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2023-11-06 22:14:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:14:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-06 22:14:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-06 22:14:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2023-11-06 22:14:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2023-11-06 22:14:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 22:14:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 22:14:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:14:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2023-11-06 22:14:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2023-11-06 22:14:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2023-11-06 22:14:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2023-11-06 22:14:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2023-11-06 22:14:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2023-11-06 22:14:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:14:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:14:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:14:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2023-11-06 22:14:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2023-11-06 22:14:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-06 22:14:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-06 22:14:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2023-11-06 22:14:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2023-11-06 22:14:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2023-11-06 22:14:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2023-11-06 22:14:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2023-11-06 22:14:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2023-11-06 22:14:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-06 22:14:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-06 22:14:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2023-11-06 22:14:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2023-11-06 22:14:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2023-11-06 22:14:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2023-11-06 22:14:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 22:14:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 22:14:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2023-11-06 22:14:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2023-11-06 22:14:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2023-11-06 22:14:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2023-11-06 22:14:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 22:14:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 22:14:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2023-11-06 22:14:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2023-11-06 22:14:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2023-11-06 22:14:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2023-11-06 22:14:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2023-11-06 22:14:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2023-11-06 22:14:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2023-11-06 22:14:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2023-11-06 22:14:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2023-11-06 22:14:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2023-11-06 22:14:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-06 22:14:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-06 22:14:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2023-11-06 22:14:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2023-11-06 22:14:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 22:14:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 22:14:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 22:14:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 22:14:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2023-11-06 22:14:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2023-11-06 22:14:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2023-11-06 22:14:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2023-11-06 22:14:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2023-11-06 22:14:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2023-11-06 22:14:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2023-11-06 22:14:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2023-11-06 22:14:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-06 22:14:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-06 22:14:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2023-11-06 22:14:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2023-11-06 22:14:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:14:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:14:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2023-11-06 22:14:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2023-11-06 22:14:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 22:14:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 22:14:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2023-11-06 22:14:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2023-11-06 22:14:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2023-11-06 22:14:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2023-11-06 22:14:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-11-06 22:14:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-11-06 22:14:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2023-11-06 22:14:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2023-11-06 22:14:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2023-11-06 22:14:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2023-11-06 22:14:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2023-11-06 22:14:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2023-11-06 22:14:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:14:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:14:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:14:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:14:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2023-11-06 22:14:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2023-11-06 22:14:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2023-11-06 22:14:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2023-11-06 22:14:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2023-11-06 22:14:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2023-11-06 22:14:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2023-11-06 22:14:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2023-11-06 22:14:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2023-11-06 22:14:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2023-11-06 22:14:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2023-11-06 22:14:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2023-11-06 22:14:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2023-11-06 22:14:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2023-11-06 22:14:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2023-11-06 22:14:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2023-11-06 22:14:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2023-11-06 22:14:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2023-11-06 22:14:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-11-06 22:14:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-11-06 22:14:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2023-11-06 22:14:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2023-11-06 22:14:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2023-11-06 22:14:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2023-11-06 22:14:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2023-11-06 22:14:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2023-11-06 22:14:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:14:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:14:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2023-11-06 22:14:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2023-11-06 22:14:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:14:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:14:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-06 22:14:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-06 22:14:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2023-11-06 22:14:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2023-11-06 22:14:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 22:14:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 22:14:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:14:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:14:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2023-11-06 22:14:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2023-11-06 22:14:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:14:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:14:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2023-11-06 22:14:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2023-11-06 22:14:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2023-11-06 22:14:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2023-11-06 22:14:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2023-11-06 22:14:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2023-11-06 22:14:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-06 22:14:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-06 22:14:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2023-11-06 22:14:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2023-11-06 22:14:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-06 22:14:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-06 22:14:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2023-11-06 22:14:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2023-11-06 22:14:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2023-11-06 22:14:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2023-11-06 22:14:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2023-11-06 22:14:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2023-11-06 22:14:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-11-06 22:14:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-11-06 22:14:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 22:14:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 22:14:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:14:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:14:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:14:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-06 22:14:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-06 22:14:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2023-11-06 22:14:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2023-11-06 22:14:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:14:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2023-11-06 22:14:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2023-11-06 22:14:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-06 22:14:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-06 22:14:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2023-11-06 22:14:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2023-11-06 22:14:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2023-11-06 22:14:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2023-11-06 22:14:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-06 22:14:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-06 22:14:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2023-11-06 22:14:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2023-11-06 22:14:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2023-11-06 22:14:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2023-11-06 22:14:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2023-11-06 22:14:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2023-11-06 22:14:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:14:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2023-11-06 22:14:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2023-11-06 22:14:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:14:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:14:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2023-11-06 22:14:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2023-11-06 22:14:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:14:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:14:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 22:14:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 22:14:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:14:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:14:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2023-11-06 22:14:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2023-11-06 22:14:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 22:14:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 22:14:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2023-11-06 22:14:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2023-11-06 22:14:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2023-11-06 22:14:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2023-11-06 22:14:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2023-11-06 22:14:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2023-11-06 22:14:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-06 22:14:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-06 22:14:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2023-11-06 22:14:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2023-11-06 22:14:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2023-11-06 22:14:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2023-11-06 22:14:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2023-11-06 22:14:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2023-11-06 22:14:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-11-06 22:14:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-11-06 22:14:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2023-11-06 22:14:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2023-11-06 22:14:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 22:14:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 22:14:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2023-11-06 22:14:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2023-11-06 22:14:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2023-11-06 22:14:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2023-11-06 22:14:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2023-11-06 22:14:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2023-11-06 22:14:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2023-11-06 22:14:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2023-11-06 22:14:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2023-11-06 22:14:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2023-11-06 22:14:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2023-11-06 22:14:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2023-11-06 22:14:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2023-11-06 22:14:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2023-11-06 22:14:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2023-11-06 22:14:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2023-11-06 22:14:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2023-11-06 22:14:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2023-11-06 22:14:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 22:14:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 22:14:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2023-11-06 22:14:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2023-11-06 22:14:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2023-11-06 22:14:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:14:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:14:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2023-11-06 22:14:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2023-11-06 22:14:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:14:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2023-11-06 22:14:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2023-11-06 22:14:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2023-11-06 22:14:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2023-11-06 22:14:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:14:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:14:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2023-11-06 22:14:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2023-11-06 22:14:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 22:14:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 22:14:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2023-11-06 22:14:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2023-11-06 22:14:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2023-11-06 22:14:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2023-11-06 22:14:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-06 22:14:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-06 22:14:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2023-11-06 22:14:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2023-11-06 22:14:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2023-11-06 22:14:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2023-11-06 22:14:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2023-11-06 22:14:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2023-11-06 22:14:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2023-11-06 22:14:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2023-11-06 22:14:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2023-11-06 22:14:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2023-11-06 22:14:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2023-11-06 22:14:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2023-11-06 22:14:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2023-11-06 22:14:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2023-11-06 22:14:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2023-11-06 22:14:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2023-11-06 22:14:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-06 22:14:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-06 22:14:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2023-11-06 22:14:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2023-11-06 22:14:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:14:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:14:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2023-11-06 22:14:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2023-11-06 22:14:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2023-11-06 22:14:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2023-11-06 22:14:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2023-11-06 22:14:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2023-11-06 22:14:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 22:14:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 22:14:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2023-11-06 22:14:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2023-11-06 22:14:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2023-11-06 22:14:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2023-11-06 22:14:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2023-11-06 22:14:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2023-11-06 22:14:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-06 22:14:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-06 22:14:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2023-11-06 22:14:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2023-11-06 22:14:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-06 22:14:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-06 22:14:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2023-11-06 22:14:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2023-11-06 22:14:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2023-11-06 22:14:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2023-11-06 22:14:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2023-11-06 22:14:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2023-11-06 22:14:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2023-11-06 22:14:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2023-11-06 22:14:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2023-11-06 22:14:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2023-11-06 22:14:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2023-11-06 22:14:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2023-11-06 22:14:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2023-11-06 22:14:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2023-11-06 22:14:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2023-11-06 22:14:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 22:14:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 22:14:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:14:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:14:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2023-11-06 22:14:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2023-11-06 22:14:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2023-11-06 22:14:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2023-11-06 22:14:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2023-11-06 22:14:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2023-11-06 22:14:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2023-11-06 22:14:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2023-11-06 22:14:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:14:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2023-11-06 22:14:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2023-11-06 22:14:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2023-11-06 22:14:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2023-11-06 22:14:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-11-06 22:14:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-11-06 22:14:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-06 22:14:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2023-11-06 22:14:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2023-11-06 22:14:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2023-11-06 22:14:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2023-11-06 22:15:00,470 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:15:00,477 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:15:01,399 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:15:13,918 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:15:13,944 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:15:13,944 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:15:13,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:13 BoogieIcfgContainer [2023-11-06 22:15:13,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:15:13,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:15:13,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:15:13,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:15:13,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:14:52" (1/3) ... [2023-11-06 22:15:13,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e1ed00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:13, skipping insertion in model container [2023-11-06 22:15:13,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:57" (2/3) ... [2023-11-06 22:15:13,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e1ed00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:13, skipping insertion in model container [2023-11-06 22:15:13,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:13" (3/3) ... [2023-11-06 22:15:13,964 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2023-11-06 22:15:13,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:15:13,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:15:14,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:15:14,143 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36868a4f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:15:14,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:15:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 4084 states, 2624 states have (on average 1.272484756097561) internal successors, (3339), 2710 states have internal predecessors, (3339), 1212 states have call successors, (1212), 247 states have call predecessors, (1212), 246 states have return successors, (1206), 1177 states have call predecessors, (1206), 1206 states have call successors, (1206) [2023-11-06 22:15:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-06 22:15:14,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:14,202 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:14,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:14,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:14,209 INFO L85 PathProgramCache]: Analyzing trace with hash -56861458, now seen corresponding path program 1 times [2023-11-06 22:15:14,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:14,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483994181] [2023-11-06 22:15:14,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:14,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:15:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:15:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:15:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:15:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:15:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:15:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:15:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:15:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:15:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:15:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-06 22:15:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-06 22:15:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:15:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:15:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:15:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:15:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-06 22:15:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-06 22:15:16,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:16,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483994181] [2023-11-06 22:15:16,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483994181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:16,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:16,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879724202] [2023-11-06 22:15:16,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:16,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:16,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:16,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:16,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:16,387 INFO L87 Difference]: Start difference. First operand has 4084 states, 2624 states have (on average 1.272484756097561) internal successors, (3339), 2710 states have internal predecessors, (3339), 1212 states have call successors, (1212), 247 states have call predecessors, (1212), 246 states have return successors, (1206), 1177 states have call predecessors, (1206), 1206 states have call successors, (1206) Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-11-06 22:15:24,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:31,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:33,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:34,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:54,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:55,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:57,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:58,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:00,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:01,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:01,588 INFO L93 Difference]: Finished difference Result 13594 states and 20091 transitions. [2023-11-06 22:16:01,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:16:01,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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 255 [2023-11-06 22:16:01,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:01,714 INFO L225 Difference]: With dead ends: 13594 [2023-11-06 22:16:01,714 INFO L226 Difference]: Without dead ends: 9479 [2023-11-06 22:16:01,768 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 [2023-11-06 22:16:01,778 INFO L413 NwaCegarLoop]: 4253 mSDtfsCounter, 10681 mSDsluCounter, 9403 mSDsCounter, 0 mSdLazyCounter, 8130 mSolverCounterSat, 7927 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11497 SdHoareTripleChecker+Valid, 13656 SdHoareTripleChecker+Invalid, 16057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7927 IncrementalHoareTripleChecker+Valid, 8130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:01,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11497 Valid, 13656 Invalid, 16057 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7927 Valid, 8130 Invalid, 0 Unknown, 0 Unchecked, 43.5s Time] [2023-11-06 22:16:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9479 states. [2023-11-06 22:16:02,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9479 to 8039. [2023-11-06 22:16:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8039 states, 5170 states have (on average 1.267311411992263) internal successors, (6552), 5321 states have internal predecessors, (6552), 2380 states have call successors, (2380), 489 states have call predecessors, (2380), 488 states have return successors, (2374), 2316 states have call predecessors, (2374), 2374 states have call successors, (2374) [2023-11-06 22:16:02,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8039 states to 8039 states and 11306 transitions. [2023-11-06 22:16:02,615 INFO L78 Accepts]: Start accepts. Automaton has 8039 states and 11306 transitions. Word has length 255 [2023-11-06 22:16:02,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:02,622 INFO L495 AbstractCegarLoop]: Abstraction has 8039 states and 11306 transitions. [2023-11-06 22:16:02,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-11-06 22:16:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 8039 states and 11306 transitions. [2023-11-06 22:16:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-11-06 22:16:02,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:02,639 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:02,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:16:02,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:02,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:02,640 INFO L85 PathProgramCache]: Analyzing trace with hash -257020638, now seen corresponding path program 1 times [2023-11-06 22:16:02,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:02,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771974720] [2023-11-06 22:16:02,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:02,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:16:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:16:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:16:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:16:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:16:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:16:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:16:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:16:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:16:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:16:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-06 22:16:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-06 22:16:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:16:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:16:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:16:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:16:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-06 22:16:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-06 22:16:03,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:03,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771974720] [2023-11-06 22:16:03,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771974720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:03,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:03,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:16:03,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932089868] [2023-11-06 22:16:03,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:03,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:16:03,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:03,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:16:03,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:03,735 INFO L87 Difference]: Start difference. First operand 8039 states and 11306 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 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) [2023-11-06 22:16:20,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:21,736 INFO L93 Difference]: Finished difference Result 9477 states and 13727 transitions. [2023-11-06 22:16:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:16:21,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 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 258 [2023-11-06 22:16:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:21,825 INFO L225 Difference]: With dead ends: 9477 [2023-11-06 22:16:21,826 INFO L226 Difference]: Without dead ends: 9474 [2023-11-06 22:16:21,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:16:21,834 INFO L413 NwaCegarLoop]: 4221 mSDtfsCounter, 9397 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 3195 mSolverCounterSat, 6360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10100 SdHoareTripleChecker+Valid, 6439 SdHoareTripleChecker+Invalid, 9555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6360 IncrementalHoareTripleChecker+Valid, 3195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:21,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10100 Valid, 6439 Invalid, 9555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6360 Valid, 3195 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2023-11-06 22:16:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9474 states. [2023-11-06 22:16:22,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9474 to 8038. [2023-11-06 22:16:22,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8038 states, 5170 states have (on average 1.2671179883945842) internal successors, (6551), 5320 states have internal predecessors, (6551), 2379 states have call successors, (2379), 489 states have call predecessors, (2379), 488 states have return successors, (2374), 2316 states have call predecessors, (2374), 2374 states have call successors, (2374) [2023-11-06 22:16:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8038 states to 8038 states and 11304 transitions. [2023-11-06 22:16:22,543 INFO L78 Accepts]: Start accepts. Automaton has 8038 states and 11304 transitions. Word has length 258 [2023-11-06 22:16:22,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:22,544 INFO L495 AbstractCegarLoop]: Abstraction has 8038 states and 11304 transitions. [2023-11-06 22:16:22,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 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) [2023-11-06 22:16:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 8038 states and 11304 transitions. [2023-11-06 22:16:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-11-06 22:16:22,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:22,553 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:22,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:16:22,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:22,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:22,555 INFO L85 PathProgramCache]: Analyzing trace with hash 620199458, now seen corresponding path program 1 times [2023-11-06 22:16:22,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:22,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160922224] [2023-11-06 22:16:22,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:16:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:16:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:16:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:16:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:16:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:16:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:16:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:16:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:16:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:16:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-06 22:16:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-06 22:16:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:16:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:16:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:16:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:16:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-06 22:16:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-06 22:16:23,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:23,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160922224] [2023-11-06 22:16:23,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160922224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:23,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:23,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:16:23,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139562172] [2023-11-06 22:16:23,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:23,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:16:23,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:23,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:16:23,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:23,676 INFO L87 Difference]: Start difference. First operand 8038 states and 11304 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 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) [2023-11-06 22:16:32,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:45,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:46,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:48,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:50,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:51,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:51,156 INFO L93 Difference]: Finished difference Result 9476 states and 13725 transitions. [2023-11-06 22:16:51,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:16:51,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 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 259 [2023-11-06 22:16:51,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:51,263 INFO L225 Difference]: With dead ends: 9476 [2023-11-06 22:16:51,263 INFO L226 Difference]: Without dead ends: 9473 [2023-11-06 22:16:51,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:16:51,281 INFO L413 NwaCegarLoop]: 4218 mSDtfsCounter, 8234 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 4528 mSolverCounterSat, 4733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8929 SdHoareTripleChecker+Valid, 8040 SdHoareTripleChecker+Invalid, 9261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4733 IncrementalHoareTripleChecker+Valid, 4528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:51,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8929 Valid, 8040 Invalid, 9261 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4733 Valid, 4528 Invalid, 0 Unknown, 0 Unchecked, 26.6s Time] [2023-11-06 22:16:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9473 states. [2023-11-06 22:16:52,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9473 to 8037. [2023-11-06 22:16:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8037 states, 5170 states have (on average 1.2669245647969052) internal successors, (6550), 5319 states have internal predecessors, (6550), 2378 states have call successors, (2378), 489 states have call predecessors, (2378), 488 states have return successors, (2374), 2316 states have call predecessors, (2374), 2374 states have call successors, (2374) [2023-11-06 22:16:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 11302 transitions. [2023-11-06 22:16:52,103 INFO L78 Accepts]: Start accepts. Automaton has 8037 states and 11302 transitions. Word has length 259 [2023-11-06 22:16:52,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:52,105 INFO L495 AbstractCegarLoop]: Abstraction has 8037 states and 11302 transitions. [2023-11-06 22:16:52,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 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) [2023-11-06 22:16:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 8037 states and 11302 transitions. [2023-11-06 22:16:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-06 22:16:52,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:52,113 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:52,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:16:52,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:52,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:52,114 INFO L85 PathProgramCache]: Analyzing trace with hash 2044223525, now seen corresponding path program 1 times [2023-11-06 22:16:52,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:52,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108554734] [2023-11-06 22:16:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:52,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:16:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:16:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:16:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:16:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:16:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:16:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:16:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:16:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:16:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:16:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-06 22:16:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-06 22:16:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:16:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:16:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:16:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:16:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-06 22:16:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-06 22:16:53,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:53,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108554734] [2023-11-06 22:16:53,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108554734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:53,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:53,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:16:53,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859010195] [2023-11-06 22:16:53,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:53,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:16:53,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:53,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:16:53,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:53,092 INFO L87 Difference]: Start difference. First operand 8037 states and 11302 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-06 22:17:02,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:10,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:12,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:14,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:16,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:17,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:19,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:19,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:19,591 INFO L93 Difference]: Finished difference Result 9475 states and 13723 transitions. [2023-11-06 22:17:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:17:19,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 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 260 [2023-11-06 22:17:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:17:19,648 INFO L225 Difference]: With dead ends: 9475 [2023-11-06 22:17:19,648 INFO L226 Difference]: Without dead ends: 9472 [2023-11-06 22:17:19,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:17:19,658 INFO L413 NwaCegarLoop]: 4229 mSDtfsCounter, 9381 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 3228 mSolverCounterSat, 6314 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10071 SdHoareTripleChecker+Valid, 6446 SdHoareTripleChecker+Invalid, 9544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6314 IncrementalHoareTripleChecker+Valid, 3228 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:17:19,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10071 Valid, 6446 Invalid, 9544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6314 Valid, 3228 Invalid, 2 Unknown, 0 Unchecked, 25.5s Time] [2023-11-06 22:17:19,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9472 states. [2023-11-06 22:17:20,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9472 to 8036. [2023-11-06 22:17:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8036 states, 5170 states have (on average 1.2667311411992264) internal successors, (6549), 5318 states have internal predecessors, (6549), 2377 states have call successors, (2377), 489 states have call predecessors, (2377), 488 states have return successors, (2374), 2316 states have call predecessors, (2374), 2374 states have call successors, (2374) [2023-11-06 22:17:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8036 states to 8036 states and 11300 transitions. [2023-11-06 22:17:20,568 INFO L78 Accepts]: Start accepts. Automaton has 8036 states and 11300 transitions. Word has length 260 [2023-11-06 22:17:20,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:17:20,569 INFO L495 AbstractCegarLoop]: Abstraction has 8036 states and 11300 transitions. [2023-11-06 22:17:20,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-06 22:17:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 8036 states and 11300 transitions. [2023-11-06 22:17:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-06 22:17:20,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:20,576 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:20,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:17:20,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:17:20,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:20,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1055665787, now seen corresponding path program 1 times [2023-11-06 22:17:20,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:20,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569395637] [2023-11-06 22:17:20,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:20,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:17:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:17:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:17:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:17:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:17:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:17:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:17:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:17:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:17:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:17:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:17:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-06 22:17:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-06 22:17:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:17:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:17:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:17:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:17:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-06 22:17:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-06 22:17:21,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:21,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569395637] [2023-11-06 22:17:21,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569395637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:21,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:21,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:17:21,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482924703] [2023-11-06 22:17:21,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:21,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:17:21,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:21,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:17:21,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:17:21,547 INFO L87 Difference]: Start difference. First operand 8036 states and 11300 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 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) [2023-11-06 22:17:36,254 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 [] [2023-11-06 22:17:37,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:38,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:38,886 INFO L93 Difference]: Finished difference Result 9496 states and 13739 transitions. [2023-11-06 22:17:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:17:38,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 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 261 [2023-11-06 22:17:38,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:17:38,939 INFO L225 Difference]: With dead ends: 9496 [2023-11-06 22:17:38,940 INFO L226 Difference]: Without dead ends: 9480 [2023-11-06 22:17:38,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:17:38,949 INFO L413 NwaCegarLoop]: 4226 mSDtfsCounter, 9415 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 3200 mSolverCounterSat, 6422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10077 SdHoareTripleChecker+Valid, 6466 SdHoareTripleChecker+Invalid, 9622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6422 IncrementalHoareTripleChecker+Valid, 3200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:17:38,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10077 Valid, 6466 Invalid, 9622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6422 Valid, 3200 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2023-11-06 22:17:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9480 states. [2023-11-06 22:17:39,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9480 to 8044. [2023-11-06 22:17:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 5174 states have (on average 1.2657518361035949) internal successors, (6549), 5320 states have internal predecessors, (6549), 2376 states have call successors, (2376), 494 states have call predecessors, (2376), 493 states have return successors, (2375), 2317 states have call predecessors, (2375), 2375 states have call successors, (2375) [2023-11-06 22:17:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 11300 transitions. [2023-11-06 22:17:39,814 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 11300 transitions. Word has length 261 [2023-11-06 22:17:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:17:39,815 INFO L495 AbstractCegarLoop]: Abstraction has 8044 states and 11300 transitions. [2023-11-06 22:17:39,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 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) [2023-11-06 22:17:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 11300 transitions. [2023-11-06 22:17:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-11-06 22:17:39,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:39,828 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:39,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:17:39,828 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:17:39,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:39,829 INFO L85 PathProgramCache]: Analyzing trace with hash 379109942, now seen corresponding path program 1 times [2023-11-06 22:17:39,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:39,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693114027] [2023-11-06 22:17:39,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:39,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:17:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:17:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:17:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:17:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:17:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:17:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:17:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:17:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:17:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 22:17:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:17:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-06 22:17:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-06 22:17:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:17:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:17:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:17:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:17:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-06 22:17:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-06 22:17:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-06 22:17:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-06 22:17:40,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:40,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693114027] [2023-11-06 22:17:40,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693114027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:40,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:40,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:17:40,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503676971] [2023-11-06 22:17:40,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:40,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:17:40,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:40,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:17:40,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:17:40,561 INFO L87 Difference]: Start difference. First operand 8044 states and 11300 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:17:48,099 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 [] [2023-11-06 22:17:59,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:02,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:15,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:23,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:24,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:27,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []